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FESADev/tests/reference/reference_comparison.cpp
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#include "reference_comparison.hpp"
#include "fesa/analysis/analysis_model.hpp"
#include "fesa/assembly/load_assembler.hpp"
#include "fesa/fem/dof_manager.hpp"
#include "fesa/io/abaqus/domain_mapper.hpp"
#include "fesa/io/abaqus/input_reader.hpp"
#include "fesa/results/result_recovery.hpp"
#include <hdf5.h>
#include <algorithm>
#include <array>
#include <cerrno>
#include <cctype>
#include <charconv>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <cstdlib>
#include <filesystem>
#include <fstream>
#include <iomanip>
#include <iterator>
#include <limits>
#include <locale>
#include <sstream>
#include <stdexcept>
#include <string>
#include <system_error>
#include <utility>
#include <vector>
namespace fesa::test {
namespace {
constexpr const char* kModelId = "cantilever-beam-b33";
constexpr const char* kStepName = "Step-1";
constexpr std::size_t kFrameIndex = 0U;
constexpr const char* kFrameText = "Increment 1: Step Time = 1.000";
constexpr const char* kInputName = "cantilever beam.inp";
constexpr const char* kDisplacementName = "cantilever beam displacements.csv";
constexpr const char* kReactionName = "cantilever beam reactions.csv";
constexpr const char* kSectionName = "cantilever beam elemental forces.csv";
constexpr const char* kDisplacementPath =
"/steps/Step-1/frames/0/nodal/displacement";
constexpr const char* kReactionPath =
"/steps/Step-1/frames/0/nodal/reaction";
constexpr const char* kSectionPath =
"/steps/Step-1/frames/0/element/section_resultant";
constexpr const char* kStressPath =
"/steps/Step-1/frames/0/element/stress_s11";
constexpr double kKinematicFloor = 1.0e-9;
constexpr double kForceMomentFloor = 1.0e-3;
constexpr double kRelativeCoefficient = 1.0e-6;
class ComparisonFailure final : public std::runtime_error {
public:
ComparisonFailure(std::string code, std::string message)
: std::runtime_error{std::move(message)}, code_{std::move(code)} {}
const std::string& code() const noexcept { return code_; }
private:
std::string code_;
};
[[noreturn]] void fail(const std::string& code, const std::string& message) {
throw ComparisonFailure{code, message};
}
Status comparisonFailureStatus(
const std::string& code, const std::string& message) {
return Status::failure(
FailureCategory::model,
{{Severity::error, code, {}, "", kModelId, message}});
}
std::string trim(const std::string& value) {
const auto isSpace = [](const unsigned char character) {
return std::isspace(character) != 0;
};
const auto begin = std::find_if_not(
value.begin(), value.end(), [&](const char character) {
return isSpace(static_cast<unsigned char>(character));
});
const auto end = std::find_if_not(
value.rbegin(), value.rend(), [&](const char character) {
return isSpace(static_cast<unsigned char>(character));
}).base();
return begin < end ? std::string{begin, end} : std::string{};
}
std::string collapseWhitespace(const std::string& value) {
std::string result;
bool pendingSpace = false;
for (const char character : trim(value)) {
if (std::isspace(static_cast<unsigned char>(character)) != 0) {
pendingSpace = !result.empty();
} else {
if (pendingSpace) {
result.push_back(' ');
}
result.push_back(character);
pendingSpace = false;
}
}
return result;
}
std::string asciiLower(std::string value) {
std::transform(
value.begin(), value.end(), value.begin(), [](const char character) {
if (character >= 'A' && character <= 'Z') {
return static_cast<char>(character - 'A' + 'a');
}
return character;
});
return value;
}
std::vector<std::string> splitCsvLine(const std::string& line) {
std::vector<std::string> fields;
std::size_t start = 0U;
while (true) {
const std::size_t comma = line.find(',', start);
fields.push_back(trim(line.substr(start, comma - start)));
if (comma == std::string::npos) {
break;
}
start = comma + 1U;
}
return fields;
}
std::int64_t parsePositiveLabel(const std::string& field) {
std::int64_t value = 0;
const char* const begin = field.data();
const char* const end = begin + field.size();
const auto parsed = std::from_chars(begin, end, value);
if (parsed.ec != std::errc{} || parsed.ptr != end || value <= 0) {
fail("schema-mismatch", "A CSV or HDF5 source-node label is invalid.");
}
return value;
}
double parseFiniteDouble(const std::string& field) {
if (field.empty()) {
fail("schema-mismatch", "A reference numeric field is empty.");
}
errno = 0;
char* end = nullptr;
const double value = std::strtod(field.c_str(), &end);
if (errno == ERANGE || end == field.c_str() || end == nullptr ||
*end != '\0' || !std::isfinite(value)) {
fail("schema-mismatch", "A reference numeric field is nonfinite or invalid.");
}
return value;
}
struct WideReferenceRow {
std::string instanceName;
std::int64_t sourceNodeLabel;
std::vector<double> values;
};
struct ReferenceTable {
std::vector<WideReferenceRow> rows;
};
ReferenceTable readReferenceCsv(
const std::filesystem::path& path,
const std::vector<std::string>& expectedHeader) {
std::ifstream stream{path};
if (!stream) {
fail("needs-reference-artifacts", "An approved reference CSV is missing.");
}
std::string line;
if (!std::getline(stream, line)) {
fail("schema-mismatch", "An approved reference CSV is empty.");
}
if (!line.empty() && line.back() == '\r') {
line.pop_back();
}
if (splitCsvLine(line) != expectedHeader) {
fail("schema-mismatch", "An approved reference CSV header is not exact.");
}
ReferenceTable table;
while (std::getline(stream, line)) {
if (!line.empty() && line.back() == '\r') {
line.pop_back();
}
if (line.empty()) {
fail("schema-mismatch", "Blank reference CSV rows are not allowed.");
}
const auto fields = splitCsvLine(line);
if (fields.size() != expectedHeader.size() ||
collapseWhitespace(fields[0U]) != kFrameText ||
fields[1U].empty()) {
fail("schema-mismatch", "A reference CSV row has invalid schema or frame identity.");
}
WideReferenceRow row{};
row.instanceName = fields[1U];
row.sourceNodeLabel = parsePositiveLabel(fields[2U]);
row.values.reserve(fields.size() - 3U);
for (std::size_t field = 3U; field < fields.size(); ++field) {
row.values.push_back(parseFiniteDouble(fields[field]));
}
const auto duplicate = std::find_if(
table.rows.begin(),
table.rows.end(),
[&](const WideReferenceRow& existing) {
return asciiLower(existing.instanceName) ==
asciiLower(row.instanceName) &&
existing.sourceNodeLabel == row.sourceNodeLabel;
});
if (duplicate != table.rows.end()) {
fail("schema-mismatch", "A reference CSV row identity is duplicated.");
}
table.rows.push_back(std::move(row));
}
if (table.rows.empty()) {
fail("schema-mismatch", "An approved reference CSV has no data rows.");
}
return table;
}
void requireExactArtifactInventory(
const std::filesystem::path& legacyDirectory) {
std::error_code error;
if (!std::filesystem::is_directory(legacyDirectory, error) || error) {
fail("needs-reference-artifacts", "The approved legacy directory is missing.");
}
std::vector<std::string> names;
for (std::filesystem::directory_iterator iterator{legacyDirectory, error}, end;
iterator != end && !error;
iterator.increment(error)) {
if (!iterator->is_regular_file(error) || error) {
fail("needs-reference-artifacts", "The legacy bundle contains a non-file entry.");
}
names.push_back(iterator->path().filename().string());
}
if (error) {
fail("needs-reference-artifacts", "The legacy bundle cannot be inspected.");
}
std::sort(names.begin(), names.end());
std::vector<std::string> expected = {
kDisplacementName, kInputName, kReactionName, kSectionName};
std::sort(expected.begin(), expected.end());
if (names != expected) {
fail("needs-reference-artifacts", "The legacy bundle inventory is not exact.");
}
}
Domain readApprovedDomain(const std::filesystem::path& inputPath) {
AbaqusInputReader reader;
auto parsed = reader.read(inputPath);
if (!parsed.hasValue()) {
fail("needs-reference-artifacts", "The approved reference input cannot be parsed.");
}
AbaqusDomainMapper mapper;
auto domain = mapper.map(parsed.value());
if (!domain.hasValue()) {
fail(
"needs-reference-artifacts",
"The approved reference input is not the required B33 model.");
}
return std::move(domain.value());
}
class Hdf5Handle {
public:
using Closer = herr_t (*)(hid_t);
Hdf5Handle() = default;
Hdf5Handle(const hid_t value, Closer closer)
: value_{value}, closer_{closer} {}
Hdf5Handle(const Hdf5Handle&) = delete;
Hdf5Handle& operator=(const Hdf5Handle&) = delete;
Hdf5Handle(Hdf5Handle&& other) noexcept
: value_{other.value_}, closer_{other.closer_} {
other.value_ = -1;
other.closer_ = nullptr;
}
Hdf5Handle& operator=(Hdf5Handle&& other) noexcept {
if (this != &other) {
reset();
value_ = other.value_;
closer_ = other.closer_;
other.value_ = -1;
other.closer_ = nullptr;
}
return *this;
}
~Hdf5Handle() { reset(); }
hid_t get() const noexcept { return value_; }
private:
void reset() noexcept {
if (value_ >= 0 && closer_ != nullptr) {
(void)closer_(value_);
}
value_ = -1;
closer_ = nullptr;
}
hid_t value_{-1};
Closer closer_{nullptr};
};
class Hdf5ErrorSilencer {
public:
Hdf5ErrorSilencer() {
if (H5Eget_auto2(H5E_DEFAULT, &callback_, &clientData_) >= 0 &&
H5Eset_auto2(H5E_DEFAULT, nullptr, nullptr) >= 0) {
active_ = true;
}
}
Hdf5ErrorSilencer(const Hdf5ErrorSilencer&) = delete;
Hdf5ErrorSilencer& operator=(const Hdf5ErrorSilencer&) = delete;
~Hdf5ErrorSilencer() {
if (active_) {
(void)H5Eset_auto2(H5E_DEFAULT, callback_, clientData_);
}
}
private:
H5E_auto2_t callback_{nullptr};
void* clientData_{nullptr};
bool active_{false};
};
class Hdf5VlenReclaimer {
public:
Hdf5VlenReclaimer(
const hid_t memoryType,
const hid_t dataSpace,
void* const data) noexcept
: memoryType_{memoryType}, dataSpace_{dataSpace}, data_{data} {}
Hdf5VlenReclaimer(const Hdf5VlenReclaimer&) = delete;
Hdf5VlenReclaimer& operator=(const Hdf5VlenReclaimer&) = delete;
~Hdf5VlenReclaimer() {
if (active_) {
(void)H5Dvlen_reclaim(
memoryType_, dataSpace_, H5P_DEFAULT, data_);
}
}
herr_t reclaim() noexcept {
active_ = false;
return H5Dvlen_reclaim(
memoryType_, dataSpace_, H5P_DEFAULT, data_);
}
private:
hid_t memoryType_;
hid_t dataSpace_;
void* data_;
bool active_{true};
};
hid_t requireId(const hid_t value, const char* message) {
if (value < 0) {
fail("schema-mismatch", message);
}
return value;
}
void requireHdf(const herr_t value, const char* message) {
if (value < 0) {
fail("schema-mismatch", message);
}
}
Hdf5Handle openDataset(const hid_t file, const char* path) {
return {requireId(H5Dopen2(file, path, H5P_DEFAULT),
"A required HDF5 dataset is missing."),
H5Dclose};
}
std::vector<hsize_t> datasetDimensions(const hid_t dataset) {
Hdf5Handle space{
requireId(H5Dget_space(dataset), "Unable to inspect an HDF5 dataspace."),
H5Sclose};
const int rank = H5Sget_simple_extent_ndims(space.get());
if (rank < 0) {
fail("schema-mismatch", "Unable to inspect an HDF5 dataset rank.");
}
std::vector<hsize_t> dimensions(static_cast<std::size_t>(rank));
if (rank > 0) {
requireHdf(
H5Sget_simple_extent_dims(space.get(), dimensions.data(), nullptr),
"Unable to inspect HDF5 dataset dimensions.");
}
return dimensions;
}
std::string readStringAttribute(const hid_t object, const char* name) {
Hdf5Handle attribute{
requireId(H5Aopen(object, name, H5P_DEFAULT),
"A required HDF5 string attribute is missing."),
H5Aclose};
Hdf5Handle type{
requireId(H5Aget_type(attribute.get()),
"Unable to inspect an HDF5 string attribute."),
H5Tclose};
if (H5Tget_class(type.get()) != H5T_STRING ||
H5Tis_variable_str(type.get()) <= 0 ||
H5Tget_cset(type.get()) != H5T_CSET_UTF8) {
fail("schema-mismatch", "An HDF5 string attribute has the wrong type.");
}
char* raw = nullptr;
requireHdf(
H5Aread(attribute.get(), type.get(), &raw),
"Unable to read an HDF5 string attribute.");
if (raw == nullptr) {
fail("schema-mismatch", "An HDF5 string attribute is null.");
}
const std::string value{raw};
requireHdf(H5free_memory(raw), "Unable to release HDF5 string memory.");
return value;
}
std::uint64_t readUint64Attribute(const hid_t object, const char* name) {
Hdf5Handle attribute{
requireId(H5Aopen(object, name, H5P_DEFAULT),
"A required HDF5 integer attribute is missing."),
H5Aclose};
Hdf5Handle type{
requireId(H5Aget_type(attribute.get()),
"Unable to inspect an HDF5 integer attribute."),
H5Tclose};
if (H5Tget_class(type.get()) != H5T_INTEGER ||
H5Tget_size(type.get()) != sizeof(std::uint64_t) ||
H5Tget_sign(type.get()) != H5T_SGN_NONE) {
fail("schema-mismatch", "An HDF5 integer attribute has the wrong type.");
}
std::uint64_t value = 0U;
requireHdf(
H5Aread(attribute.get(), H5T_NATIVE_UINT64, &value),
"Unable to read an HDF5 integer attribute.");
return value;
}
void requireStringAttribute(
const hid_t object, const char* name, const char* expected) {
if (readStringAttribute(object, name) != expected) {
fail("schema-mismatch", "An HDF5 string attribute has the wrong value.");
}
}
void requireResultAttributes(
const hid_t dataset,
const char* components,
const char* units,
const char* coordinateSystem,
const char* location) {
requireStringAttribute(dataset, "component_names", components);
requireStringAttribute(dataset, "component_unit_dimensions", units);
requireStringAttribute(dataset, "coordinate_system", coordinateSystem);
requireStringAttribute(dataset, "location", location);
requireStringAttribute(dataset, "step_name", kStepName);
if (readUint64Attribute(dataset, "frame_index") != kFrameIndex) {
fail("schema-mismatch", "An HDF5 result has the wrong frame identity.");
}
}
std::vector<double> readDoubleDataset(
const hid_t file,
const char* path,
const std::vector<hsize_t>& expectedDimensions,
const char* components,
const char* units,
const char* coordinateSystem,
const char* location) {
auto dataset = openDataset(file, path);
if (datasetDimensions(dataset.get()) != expectedDimensions) {
fail("schema-mismatch", "An HDF5 result dataset has the wrong shape.");
}
Hdf5Handle type{
requireId(H5Dget_type(dataset.get()),
"Unable to inspect an HDF5 result type."),
H5Tclose};
if (H5Tget_class(type.get()) != H5T_FLOAT ||
H5Tget_size(type.get()) != sizeof(double) ||
H5Tequal(type.get(), H5T_IEEE_F64LE) <= 0) {
fail("schema-mismatch", "An HDF5 result dataset is not float64.");
}
requireResultAttributes(
dataset.get(), components, units, coordinateSystem, location);
std::size_t count = 1U;
for (const hsize_t dimension : expectedDimensions) {
if (dimension > (std::numeric_limits<std::size_t>::max)() / count) {
fail("schema-mismatch", "An HDF5 result shape overflows size_t.");
}
count *= static_cast<std::size_t>(dimension);
}
std::vector<double> values(count);
if (!values.empty()) {
requireHdf(
H5Dread(
dataset.get(), H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL,
H5P_DEFAULT, values.data()),
"Unable to read an HDF5 result dataset.");
}
if (!std::all_of(values.begin(), values.end(), [](const double value) {
return std::isfinite(value);
})) {
fail("schema-mismatch", "An HDF5 comparison value is nonfinite.");
}
return values;
}
void requireCompoundMembers(
const hid_t dataset, const std::vector<std::string>& expected) {
Hdf5Handle type{
requireId(H5Dget_type(dataset), "Unable to inspect an HDF5 compound type."),
H5Tclose};
if (H5Tget_class(type.get()) != H5T_COMPOUND ||
H5Tget_nmembers(type.get()) != static_cast<int>(expected.size())) {
fail("schema-mismatch", "An HDF5 compound dataset has the wrong schema.");
}
for (std::size_t index = 0U; index < expected.size(); ++index) {
char* raw = H5Tget_member_name(type.get(), static_cast<unsigned>(index));
if (raw == nullptr) {
fail("schema-mismatch", "Unable to inspect an HDF5 member name.");
}
const std::string actual{raw};
requireHdf(H5free_memory(raw), "Unable to release an HDF5 member name.");
if (actual != expected[index]) {
fail("schema-mismatch", "An HDF5 compound member has the wrong name.");
}
}
}
Hdf5Handle makeVariableStringType() {
Hdf5Handle type{
requireId(H5Tcopy(H5T_C_S1), "Unable to create an HDF5 string type."),
H5Tclose};
requireHdf(
H5Tset_size(type.get(), H5T_VARIABLE),
"Unable to size an HDF5 string type.");
requireHdf(
H5Tset_cset(type.get(), H5T_CSET_UTF8),
"Unable to configure an HDF5 string type.");
return type;
}
struct NodeMemoryRow {
std::uint64_t internalNodeId;
char* instanceName;
char* sourceLabel;
double coordinates[3];
};
struct ElementMemoryRow {
std::uint64_t internalElementId;
char* instanceName;
char* sourceLabel;
std::uint64_t nodeInternalIds[2];
double localAxes[9];
};
struct HdfNode {
std::uint64_t internalNodeId;
std::string instanceName;
std::int64_t sourceNodeLabel;
std::string sourceNodeLabelText;
std::array<double, 3> coordinates;
};
struct HdfElement {
std::uint64_t internalElementId;
std::string instanceName;
std::int64_t sourceElementLabel;
std::string sourceElementLabelText;
std::array<std::uint64_t, 2> nodeInternalIds;
std::array<double, 9> localAxes;
};
std::vector<HdfNode> readNodeRows(const hid_t file) {
auto dataset = openDataset(file, "/model/nodes");
const auto dimensions = datasetDimensions(dataset.get());
if (dimensions.size() != 1U || dimensions[0U] == 0U) {
fail("schema-mismatch", "The HDF5 node table has the wrong shape.");
}
requireCompoundMembers(
dataset.get(),
{"internal_node_id", "instance_name", "source_label", "coordinates"});
requireStringAttribute(dataset.get(), "coordinate_system", "global-cartesian");
requireStringAttribute(dataset.get(), "units_label", "length");
auto stringType = makeVariableStringType();
const hsize_t coordinateDimensions[1] = {3U};
Hdf5Handle coordinateType{
requireId(
H5Tarray_create2(H5T_NATIVE_DOUBLE, 1, coordinateDimensions),
"Unable to create the node coordinate memory type."),
H5Tclose};
Hdf5Handle memoryType{
requireId(H5Tcreate(H5T_COMPOUND, sizeof(NodeMemoryRow)),
"Unable to create the node memory type."),
H5Tclose};
requireHdf(
H5Tinsert(memoryType.get(), "internal_node_id",
HOFFSET(NodeMemoryRow, internalNodeId), H5T_NATIVE_UINT64),
"Unable to define the node ID memory field.");
requireHdf(
H5Tinsert(memoryType.get(), "instance_name",
HOFFSET(NodeMemoryRow, instanceName), stringType.get()),
"Unable to define the node instance memory field.");
requireHdf(
H5Tinsert(memoryType.get(), "source_label",
HOFFSET(NodeMemoryRow, sourceLabel), stringType.get()),
"Unable to define the node label memory field.");
requireHdf(
H5Tinsert(memoryType.get(), "coordinates",
HOFFSET(NodeMemoryRow, coordinates), coordinateType.get()),
"Unable to define the node coordinate memory field.");
std::vector<NodeMemoryRow> raw(static_cast<std::size_t>(dimensions[0U]));
Hdf5Handle space{
requireId(H5Dget_space(dataset.get()),
"Unable to reopen the node dataspace."),
H5Sclose};
requireHdf(
H5Dread(dataset.get(), memoryType.get(), H5S_ALL, H5S_ALL,
H5P_DEFAULT, raw.data()),
"Unable to read the HDF5 node table.");
Hdf5VlenReclaimer strings{memoryType.get(), space.get(), raw.data()};
std::vector<HdfNode> rows;
rows.reserve(raw.size());
for (const auto& row : raw) {
if (row.instanceName == nullptr || row.sourceLabel == nullptr) {
fail("schema-mismatch", "An HDF5 node identity is null.");
}
const std::array<double, 3> coordinates = {
row.coordinates[0U], row.coordinates[1U], row.coordinates[2U]};
if (!std::all_of(
coordinates.begin(), coordinates.end(), [](const double value) {
return std::isfinite(value);
})) {
fail("schema-mismatch", "An HDF5 node coordinate is nonfinite.");
}
rows.push_back({
row.internalNodeId,
row.instanceName,
parsePositiveLabel(row.sourceLabel),
row.sourceLabel,
coordinates});
}
requireHdf(
strings.reclaim(),
"Unable to reclaim HDF5 node strings.");
return rows;
}
std::vector<HdfElement> readElementRows(const hid_t file) {
auto dataset = openDataset(file, "/model/elements");
const auto dimensions = datasetDimensions(dataset.get());
if (dimensions.size() != 1U || dimensions[0U] == 0U) {
fail("schema-mismatch", "The HDF5 element table has the wrong shape.");
}
requireCompoundMembers(
dataset.get(),
{"internal_element_id", "instance_name", "source_label",
"node_internal_ids", "local_axes"});
requireStringAttribute(dataset.get(), "formulation", "B33-3D-Euler-Bernoulli");
auto stringType = makeVariableStringType();
const hsize_t connectivityDimensions[1] = {2U};
const hsize_t axesDimensions[2] = {3U, 3U};
Hdf5Handle connectivityType{
requireId(
H5Tarray_create2(H5T_NATIVE_UINT64, 1, connectivityDimensions),
"Unable to create the connectivity memory type."),
H5Tclose};
Hdf5Handle axesType{
requireId(
H5Tarray_create2(H5T_NATIVE_DOUBLE, 2, axesDimensions),
"Unable to create the local-axis memory type."),
H5Tclose};
Hdf5Handle memoryType{
requireId(H5Tcreate(H5T_COMPOUND, sizeof(ElementMemoryRow)),
"Unable to create the element memory type."),
H5Tclose};
requireHdf(
H5Tinsert(memoryType.get(), "internal_element_id",
HOFFSET(ElementMemoryRow, internalElementId),
H5T_NATIVE_UINT64),
"Unable to define the element ID memory field.");
requireHdf(
H5Tinsert(memoryType.get(), "instance_name",
HOFFSET(ElementMemoryRow, instanceName), stringType.get()),
"Unable to define the element instance memory field.");
requireHdf(
H5Tinsert(memoryType.get(), "source_label",
HOFFSET(ElementMemoryRow, sourceLabel), stringType.get()),
"Unable to define the element label memory field.");
requireHdf(
H5Tinsert(memoryType.get(), "node_internal_ids",
HOFFSET(ElementMemoryRow, nodeInternalIds),
connectivityType.get()),
"Unable to define the connectivity memory field.");
requireHdf(
H5Tinsert(memoryType.get(), "local_axes",
HOFFSET(ElementMemoryRow, localAxes), axesType.get()),
"Unable to define the local-axis memory field.");
std::vector<ElementMemoryRow> raw(static_cast<std::size_t>(dimensions[0U]));
Hdf5Handle space{
requireId(H5Dget_space(dataset.get()),
"Unable to reopen the element dataspace."),
H5Sclose};
requireHdf(
H5Dread(dataset.get(), memoryType.get(), H5S_ALL, H5S_ALL,
H5P_DEFAULT, raw.data()),
"Unable to read the HDF5 element table.");
Hdf5VlenReclaimer strings{memoryType.get(), space.get(), raw.data()};
std::vector<HdfElement> rows;
rows.reserve(raw.size());
for (const auto& row : raw) {
if (row.instanceName == nullptr || row.sourceLabel == nullptr) {
fail("schema-mismatch", "An HDF5 element identity is null.");
}
HdfElement converted{};
converted.internalElementId = row.internalElementId;
converted.instanceName = row.instanceName;
converted.sourceElementLabel = parsePositiveLabel(row.sourceLabel);
converted.sourceElementLabelText = row.sourceLabel;
converted.nodeInternalIds = {
row.nodeInternalIds[0U], row.nodeInternalIds[1U]};
std::copy(
std::begin(row.localAxes), std::end(row.localAxes),
converted.localAxes.begin());
if (!std::all_of(
converted.localAxes.begin(), converted.localAxes.end(),
[](const double value) { return std::isfinite(value); })) {
fail("schema-mismatch", "An HDF5 local axis is nonfinite.");
}
rows.push_back(std::move(converted));
}
requireHdf(
strings.reclaim(),
"Unable to reclaim HDF5 element strings.");
return rows;
}
void requireFiniteStress(const hid_t file) {
auto dataset = openDataset(file, kStressPath);
const auto dimensions = datasetDimensions(dataset.get());
if (dimensions.size() != 1U || dimensions[0U] == 0U) {
fail("schema-mismatch", "The mandatory stress dataset has no rows.");
}
requireCompoundMembers(
dataset.get(),
{"internal_element_id", "gauss_point_index", "section_point_index",
"x1", "x2", "source", "S11"});
requireResultAttributes(
dataset.get(), "S11", "force/length^2", "beam-local", "section-point");
struct StressValue {
double s11;
};
Hdf5Handle memoryType{
requireId(H5Tcreate(H5T_COMPOUND, sizeof(StressValue)),
"Unable to create a stress memory type."),
H5Tclose};
requireHdf(
H5Tinsert(memoryType.get(), "S11", HOFFSET(StressValue, s11),
H5T_NATIVE_DOUBLE),
"Unable to define the stress memory field.");
std::vector<StressValue> values(static_cast<std::size_t>(dimensions[0U]));
requireHdf(
H5Dread(dataset.get(), memoryType.get(), H5S_ALL, H5S_ALL,
H5P_DEFAULT, values.data()),
"Unable to read the stress dataset.");
if (!std::all_of(values.begin(), values.end(), [](const StressValue& value) {
return std::isfinite(value.s11);
})) {
fail("schema-mismatch", "The mandatory stress dataset is nonfinite.");
}
}
std::array<double, 9> expectedLocalAxes(
const Domain& domain, const EulerBeam3DDefinition& element) {
const auto& first = domain.nodes()[element.nodeIndices[0U]].coordinates;
const auto& second = domain.nodes()[element.nodeIndices[1U]].coordinates;
const auto& guide = domain.sections()[element.sectionIndex].firstAxis;
const std::array<double, 3> delta = {
second[0U] - first[0U],
second[1U] - first[1U],
second[2U] - first[2U]};
const double length = std::hypot(delta[0U], delta[1U], delta[2U]);
const std::array<double, 3> x = {
delta[0U] / length, delta[1U] / length, delta[2U] / length};
const double projection =
guide[0U] * x[0U] + guide[1U] * x[1U] + guide[2U] * x[2U];
const std::array<double, 3> yTrial = {
guide[0U] - projection * x[0U],
guide[1U] - projection * x[1U],
guide[2U] - projection * x[2U]};
const double yNorm = std::hypot(yTrial[0U], yTrial[1U], yTrial[2U]);
const std::array<double, 3> y = {
yTrial[0U] / yNorm, yTrial[1U] / yNorm, yTrial[2U] / yNorm};
const std::array<double, 3> z = {
x[1U] * y[2U] - x[2U] * y[1U],
x[2U] * y[0U] - x[0U] * y[2U],
x[0U] * y[1U] - x[1U] * y[0U]};
return {
x[0U], x[1U], x[2U],
y[0U], y[1U], y[2U],
z[0U], z[1U], z[2U]};
}
struct HdfProjection {
std::vector<HdfNode> nodes;
std::vector<HdfElement> elements;
std::vector<double> displacement;
std::vector<double> reaction;
std::vector<double> sectionResultants;
};
HdfProjection readHdfProjection(
const std::filesystem::path& results,
const std::filesystem::path& input,
const Domain& domain) {
std::error_code error;
if (!std::filesystem::is_regular_file(results, error) || error) {
fail("needs-solver-results", "The authoritative FESA results.h5 is missing.");
}
Hdf5ErrorSilencer silence;
if (H5Fis_hdf5(results.string().c_str()) <= 0) {
fail("schema-mismatch", "The solver result is not an HDF5 file.");
}
Hdf5Handle file{
requireId(H5Fopen(results.string().c_str(), H5F_ACC_RDONLY, H5P_DEFAULT),
"Unable to open the solver HDF5 file read-only."),
H5Fclose};
Hdf5Handle metadata{
requireId(H5Gopen2(file.get(), "/metadata", H5P_DEFAULT),
"The HDF5 metadata group is missing."),
H5Gclose};
if (readUint64Attribute(metadata.get(), "schema_version") != 0U ||
readUint64Attribute(metadata.get(), "frame_index") != kFrameIndex) {
fail("schema-mismatch", "The HDF5 schema or frame version is wrong.");
}
requireStringAttribute(
metadata.get(), "feature_id", "linear-static-3d-euler-beam");
requireStringAttribute(
metadata.get(), "unit_system_label", "user-consistent-unspecified");
requireStringAttribute(
metadata.get(), "coordinate_convention",
"global-cartesian; beam-local=(t,n1,t-cross-n1)");
requireStringAttribute(
metadata.get(), "element_formulation", "B33-3D-Euler-Bernoulli");
requireStringAttribute(metadata.get(), "step_name", kStepName);
const std::string sourceIdentity =
readStringAttribute(metadata.get(), "source_input_identity");
const std::string normalizedInput =
std::filesystem::absolute(input).lexically_normal().generic_u8string();
const std::string expectedIdentity =
"path=" + normalizedInput +
";content_identity=" + domain.sourceContentIdentity();
if (sourceIdentity != expectedIdentity) {
fail("schema-mismatch", "The HDF5 source-input identity is inconsistent.");
}
HdfProjection projection{};
projection.nodes = readNodeRows(file.get());
projection.elements = readElementRows(file.get());
if (projection.nodes.size() != domain.nodes().size() ||
projection.elements.size() != domain.elements().size()) {
fail("schema-mismatch", "HDF5 model identity counts do not match the input.");
}
for (std::size_t node = 0U; node < projection.nodes.size(); ++node) {
const auto& actual = projection.nodes[node];
const auto& expected = domain.nodes()[node];
if (actual.internalNodeId != node ||
actual.instanceName != expected.sourceId.instanceName ||
actual.sourceNodeLabel != expected.sourceId.sourceLabel ||
actual.sourceNodeLabelText != expected.sourceId.sourceLabelText ||
actual.coordinates != expected.coordinates) {
fail("schema-mismatch", "An HDF5 node identity does not match the input.");
}
}
for (std::size_t element = 0U; element < projection.elements.size(); ++element) {
const auto& actual = projection.elements[element];
const auto& expected = domain.elements()[element];
if (actual.internalElementId != element ||
actual.instanceName != expected.sourceId.instanceName ||
actual.sourceElementLabel != expected.sourceId.sourceLabel ||
actual.sourceElementLabelText != expected.sourceId.sourceLabelText ||
actual.nodeInternalIds[0U] != expected.nodeIndices[0U] ||
actual.nodeInternalIds[1U] != expected.nodeIndices[1U]) {
fail("schema-mismatch", "An HDF5 element identity does not match the input.");
}
const auto axes = expectedLocalAxes(domain, expected);
for (std::size_t component = 0U; component < axes.size(); ++component) {
if (std::abs(actual.localAxes[component] - axes[component]) > 1.0e-12) {
fail("schema-mismatch", "An HDF5 local axis does not match the input.");
}
}
}
const hsize_t nodeCount = static_cast<hsize_t>(projection.nodes.size());
const hsize_t elementCount = static_cast<hsize_t>(projection.elements.size());
projection.displacement = readDoubleDataset(
file.get(), kDisplacementPath, {nodeCount, 6U},
"UX,UY,UZ,URX,URY,URZ",
"length,length,length,radian,radian,radian",
"global-cartesian", "nodal");
projection.reaction = readDoubleDataset(
file.get(), kReactionPath, {nodeCount, 6U},
"RF1,RF2,RF3,RM1,RM2,RM3",
"force,force,force,force*length,force*length,force*length",
"global-cartesian", "nodal");
projection.sectionResultants = readDoubleDataset(
file.get(), kSectionPath, {elementCount, 2U, 4U},
"N,T,My,Mz",
"force,force*length,force*length,force*length",
"beam-local", "endpoint-positive-local-x-section-cut");
requireFiniteStress(file.get());
return projection;
}
std::vector<const WideReferenceRow*> orderedRows(
const ReferenceTable& table, const std::vector<HdfNode>& nodes) {
if (table.rows.size() != nodes.size()) {
fail("schema-mismatch", "The FESA/reference projected row sets differ.");
}
std::vector<const WideReferenceRow*> ordered;
ordered.reserve(nodes.size());
for (const auto& node : nodes) {
const auto found = std::find_if(
table.rows.begin(), table.rows.end(), [&](const WideReferenceRow& row) {
return asciiLower(row.instanceName) ==
asciiLower(node.instanceName) &&
row.sourceNodeLabel == node.sourceNodeLabel;
});
if (found == table.rows.end() || found->instanceName != node.instanceName) {
fail("schema-mismatch", "A reference row identity does not match HDF5.");
}
ordered.push_back(&*found);
}
return ordered;
}
double tableScale(const ReferenceTable& table, const std::size_t valueIndex) {
double scale = 0.0;
for (const auto& row : table.rows) {
if (valueIndex >= row.values.size()) {
fail("schema-mismatch", "A reference row has the wrong component arity.");
}
scale = (std::max)(scale, std::abs(row.values[valueIndex]));
}
return scale;
}
std::vector<NodeStationResultRow> normalizeStations(
const Domain& domain,
const HdfProjection& hdf,
const ReferenceTable& sectionTable) {
auto modelResult = AnalysisModel::create(domain);
if (!modelResult.hasValue()) {
fail("schema-mismatch", "The approved input cannot create an analysis view.");
}
const AnalysisModel model = std::move(modelResult.value());
const std::array<double, 4> tolerances = {
kForceMomentFloor + kRelativeCoefficient * tableScale(sectionTable, 0U),
kForceMomentFloor + kRelativeCoefficient * tableScale(sectionTable, 3U),
kForceMomentFloor + kRelativeCoefficient * tableScale(sectionTable, 1U),
kForceMomentFloor + kRelativeCoefficient * tableScale(sectionTable, 2U)};
std::vector<EndpointResultRow> endpoints;
endpoints.reserve(hdf.elements.size() * 2U);
for (std::size_t element = 0U; element < hdf.elements.size(); ++element) {
for (std::size_t endpoint = 0U; endpoint < 2U; ++endpoint) {
const auto node = static_cast<std::size_t>(
hdf.elements[element].nodeInternalIds[endpoint]);
std::array<double, 4> values{};
for (std::size_t component = 0U; component < values.size(); ++component) {
values[component] =
hdf.sectionResultants[(element * 2U + endpoint) * 4U + component];
}
endpoints.push_back({
static_cast<EntityIndex>(element),
static_cast<int>(endpoint),
domain.nodes()[node].sourceId,
{},
values});
}
}
auto normalized = ResultRecovery::normalizeSectionResultantsToNodeStations(
model, endpoints, tolerances);
if (!normalized.hasValue()) {
const auto& diagnostics = normalized.status().diagnostics();
const std::string code = diagnostics.empty() ? std::string{} : diagnostics[0U].code;
if (code == "node-station-tolerance-failure") {
fail("tolerance-failure", "Interior endpoint section resultants disagree.");
}
fail("schema-mismatch", "A node station is not eligible for legacy projection.");
}
return std::move(normalized.value());
}
const NodeStationResultRow& findStation(
const std::vector<NodeStationResultRow>& stations,
const HdfNode& node) {
const auto found = std::find_if(
stations.begin(), stations.end(), [&](const NodeStationResultRow& row) {
return row.node.instanceName == node.instanceName &&
row.node.sourceLabel == node.sourceNodeLabel;
});
if (found == stations.end()) {
fail("schema-mismatch", "A projected HDF5 node station is missing.");
}
return *found;
}
CanonicalComparisonRow canonicalRow(
const HdfNode& node,
const ComparisonQuantity quantity,
std::string component,
const double value,
std::string unit,
std::string coordinateSystem,
std::string datasetPath) {
return {
kModelId,
kStepName,
kFrameIndex,
node.instanceName,
node.sourceNodeLabel,
quantity,
std::move(component),
value,
std::move(unit),
std::move(coordinateSystem),
std::move(datasetPath)};
}
void appendNodalRows(
ComparisonReport& report,
const HdfProjection& hdf,
const std::vector<const WideReferenceRow*>& reference,
const ComparisonQuantity quantity,
const std::array<std::string, 6>& components,
const std::array<std::string, 6>& units,
const std::vector<double>& fesaValues,
const char* datasetPath) {
for (std::size_t node = 0U; node < hdf.nodes.size(); ++node) {
for (std::size_t component = 0U; component < components.size(); ++component) {
auto fesa = canonicalRow(
hdf.nodes[node], quantity, components[component],
fesaValues[node * 6U + component], units[component],
"global-cartesian", datasetPath);
auto abaqus = canonicalRow(
hdf.nodes[node], quantity, components[component],
reference[node]->values[component], units[component],
"global-cartesian", datasetPath);
report.rows.push_back(
{std::move(fesa), std::move(abaqus), 0.0, 0.0, false});
}
}
}
void appendSectionRows(
ComparisonReport& report,
const HdfProjection& hdf,
const std::vector<const WideReferenceRow*>& reference,
const std::vector<NodeStationResultRow>& stations) {
const std::array<std::string, 4> components = {"N", "T", "My", "Mz"};
const std::array<std::string, 4> units = {
"force", "force*length", "force*length", "force*length"};
const std::array<std::size_t, 4> referenceColumns = {0U, 3U, 1U, 2U};
for (std::size_t node = 0U; node < hdf.nodes.size(); ++node) {
const auto& station = findStation(stations, hdf.nodes[node]);
for (std::size_t component = 0U; component < components.size(); ++component) {
auto fesa = canonicalRow(
hdf.nodes[node], ComparisonQuantity::sectionResultant,
components[component], station.sectionResultant[component],
units[component], "beam-local", kSectionPath);
auto abaqus = canonicalRow(
hdf.nodes[node], ComparisonQuantity::sectionResultant,
components[component],
reference[node]->values[referenceColumns[component]],
units[component], "beam-local", kSectionPath);
report.rows.push_back(
{std::move(fesa), std::move(abaqus), 0.0, 0.0, false});
}
}
}
double absoluteFloor(
const ComparisonQuantity quantity, const std::string&) {
return quantity == ComparisonQuantity::displacement
? kKinematicFloor
: kForceMomentFloor;
}
void evaluateGroup(
ComparisonReport& report,
const ComparisonQuantity quantity,
const std::string& component) {
std::vector<std::size_t> rowIndices;
for (std::size_t index = 0U; index < report.rows.size(); ++index) {
if (report.rows[index].reference.quantity == quantity &&
report.rows[index].reference.component == component) {
rowIndices.push_back(index);
}
}
if (rowIndices.empty()) {
fail("schema-mismatch", "A canonical comparison component has no rows.");
}
double referenceScale = 0.0;
for (const std::size_t index : rowIndices) {
referenceScale = (std::max)(
referenceScale, std::abs(report.rows[index].reference.value));
}
const double tolerance =
absoluteFloor(quantity, component) +
kRelativeCoefficient * referenceScale;
double maximumAbsolute = -1.0;
double maximumNormalized = 0.0;
std::size_t worstRow = rowIndices.front();
long double squaredError = 0.0L;
for (const std::size_t index : rowIndices) {
auto& row = report.rows[index];
row.absoluteError = std::abs(row.fesa.value - row.reference.value);
if (!std::isfinite(row.absoluteError)) {
fail("schema-mismatch", "A canonical row error is nonfinite.");
}
row.tolerance = tolerance;
row.passed = row.absoluteError <= tolerance;
report.passed = report.passed && row.passed;
const double normalized = row.absoluteError / tolerance;
if (row.absoluteError > maximumAbsolute) {
maximumAbsolute = row.absoluteError;
worstRow = index;
}
maximumNormalized = (std::max)(maximumNormalized, normalized);
const long double error = static_cast<long double>(row.absoluteError);
squaredError += error * error;
}
const double normError = std::sqrt(static_cast<double>(squaredError));
const double rmsError = std::sqrt(
static_cast<double>(squaredError /
static_cast<long double>(rowIndices.size())));
if (!std::isfinite(normError) || !std::isfinite(rmsError)) {
fail("schema-mismatch", "A component aggregate error is nonfinite.");
}
report.metrics.push_back({
quantity,
component,
referenceScale,
maximumAbsolute,
maximumNormalized,
rmsError,
normError,
worstRow});
}
PhysicsEvidence makePhysicsEvidence(
const Domain& domain,
const HdfProjection& hdf) {
auto modelResult = AnalysisModel::create(domain);
if (!modelResult.hasValue()) {
fail("schema-mismatch", "The approved input cannot create physics evidence.");
}
const AnalysisModel model = std::move(modelResult.value());
auto dofsResult = DofManager::create(model);
if (!dofsResult.hasValue()) {
fail("schema-mismatch", "The approved input cannot create a DOF map.");
}
const DofManager dofs = std::move(dofsResult.value());
auto loadResult = LoadAssembler::assembleFullNodalLoad(model, dofs);
if (!loadResult.hasValue()) {
fail("schema-mismatch", "The approved input load cannot be assembled.");
}
const Vector load = std::move(loadResult.value());
if (load.size() != hdf.reaction.size()) {
fail("schema-mismatch", "The load and reaction spaces are inconsistent.");
}
PhysicsEvidence evidence{};
long double residualSquared = 0.0L;
for (const std::size_t freeDof : dofs.freeDofs()) {
const long double value =
static_cast<long double>(hdf.reaction[freeDof]);
residualSquared += value * value;
}
evidence.freeResidualNorm =
std::sqrt(static_cast<double>(residualSquared));
for (std::size_t node = 0U; node < domain.nodes().size(); ++node) {
const auto& coordinates = domain.nodes()[node].coordinates;
const std::array<double, 3> applied = {
load[node * 6U + 0U],
load[node * 6U + 1U],
load[node * 6U + 2U]};
const std::array<double, 3> reaction = {
hdf.reaction[node * 6U + 0U],
hdf.reaction[node * 6U + 1U],
hdf.reaction[node * 6U + 2U]};
for (std::size_t component = 0U; component < 3U; ++component) {
evidence.appliedForce[component] += applied[component];
evidence.reactionForce[component] += reaction[component];
evidence.appliedMomentAboutOrigin[component] +=
load[node * 6U + 3U + component];
evidence.reactionMomentAboutOrigin[component] +=
hdf.reaction[node * 6U + 3U + component];
}
evidence.appliedMomentAboutOrigin[0U] +=
coordinates[1U] * applied[2U] - coordinates[2U] * applied[1U];
evidence.appliedMomentAboutOrigin[1U] +=
coordinates[2U] * applied[0U] - coordinates[0U] * applied[2U];
evidence.appliedMomentAboutOrigin[2U] +=
coordinates[0U] * applied[1U] - coordinates[1U] * applied[0U];
evidence.reactionMomentAboutOrigin[0U] +=
coordinates[1U] * reaction[2U] - coordinates[2U] * reaction[1U];
evidence.reactionMomentAboutOrigin[1U] +=
coordinates[2U] * reaction[0U] - coordinates[0U] * reaction[2U];
evidence.reactionMomentAboutOrigin[2U] +=
coordinates[0U] * reaction[1U] - coordinates[1U] * reaction[0U];
}
evidence.endpointConsistencyPassed = true;
return evidence;
}
const char* quantityName(const ComparisonQuantity quantity) {
switch (quantity) {
case ComparisonQuantity::displacement:
return "displacement";
case ComparisonQuantity::reaction:
return "reaction";
case ComparisonQuantity::sectionResultant:
return "section_resultant";
}
return "unknown";
}
void writeJsonString(std::ostream& stream, const std::string& value) {
static constexpr char digits[] = "0123456789abcdef";
stream.put('"');
for (const unsigned char character : value) {
switch (character) {
case '"':
stream << "\\\"";
break;
case '\\':
stream << "\\\\";
break;
case '\b':
stream << "\\b";
break;
case '\f':
stream << "\\f";
break;
case '\n':
stream << "\\n";
break;
case '\r':
stream << "\\r";
break;
case '\t':
stream << "\\t";
break;
default:
if (character < 0x20U) {
stream << "\\u00" << digits[character >> 4U]
<< digits[character & 0x0fU];
} else {
stream.put(static_cast<char>(character));
}
break;
}
}
stream.put('"');
}
void writeCanonicalRow(
std::ostream& stream, const CanonicalComparisonRow& row) {
stream << "{\"model_id\":";
writeJsonString(stream, row.modelId);
stream << ",\"step_name\":";
writeJsonString(stream, row.stepName);
stream << ",\"frame_index\":" << row.frameIndex
<< ",\"instance_name\":";
writeJsonString(stream, row.instanceName);
stream << ",\"source_node_label\":" << row.sourceNodeLabel
<< ",\"quantity\":";
writeJsonString(stream, quantityName(row.quantity));
stream << ",\"component\":";
writeJsonString(stream, row.component);
stream << ",\"value\":" << row.value << ",\"unit_dimension\":";
writeJsonString(stream, row.unitDimension);
stream << ",\"coordinate_system\":";
writeJsonString(stream, row.coordinateSystem);
stream << ",\"hdf5_dataset_path\":";
writeJsonString(stream, row.hdf5DatasetPath);
stream << '}';
}
void writeArray(std::ostream& stream, const std::array<double, 3>& values) {
stream << '[' << values[0U] << ',' << values[1U] << ',' << values[2U]
<< ']';
}
bool finiteReport(const ComparisonReport& report) {
const auto finiteArray = [](const std::array<double, 3>& values) {
return std::all_of(values.begin(), values.end(), [](const double value) {
return std::isfinite(value);
});
};
if (!std::isfinite(report.physicsEvidence.freeResidualNorm) ||
!finiteArray(report.physicsEvidence.appliedForce) ||
!finiteArray(report.physicsEvidence.reactionForce) ||
!finiteArray(report.physicsEvidence.appliedMomentAboutOrigin) ||
!finiteArray(report.physicsEvidence.reactionMomentAboutOrigin)) {
return false;
}
for (const auto& row : report.rows) {
if (!std::isfinite(row.fesa.value) ||
!std::isfinite(row.reference.value) ||
!std::isfinite(row.absoluteError) ||
!std::isfinite(row.tolerance)) {
return false;
}
}
return std::all_of(
report.metrics.begin(), report.metrics.end(),
[](const ComponentMetrics& metric) {
return std::isfinite(metric.referenceScale) &&
std::isfinite(metric.maximumAbsoluteError) &&
std::isfinite(metric.maximumNormalizedError) &&
std::isfinite(metric.rmsError) &&
std::isfinite(metric.normError);
});
}
} // namespace
Result<ComparisonReport> ReferenceComparison::compare(
const std::filesystem::path& resultsHdf5,
const std::filesystem::path& legacyReferenceDirectory) {
try {
requireExactArtifactInventory(legacyReferenceDirectory);
const auto input = legacyReferenceDirectory / kInputName;
Domain domain = readApprovedDomain(input);
const ReferenceTable displacement = readReferenceCsv(
legacyReferenceDirectory / kDisplacementName,
{"Frame", "Part Instance Name", "Node Label", "U-U1", "U-U2",
"U-U3", "UR-UR1", "UR-UR2", "UR-UR3"});
const ReferenceTable reaction = readReferenceCsv(
legacyReferenceDirectory / kReactionName,
{"Frame", "Part Instance Name", "Node Label", "RF-RF1", "RF-RF2",
"RF-RF3", "RM-RM1", "RM-RM2", "RM-RM3"});
const ReferenceTable section = readReferenceCsv(
legacyReferenceDirectory / kSectionName,
{"Frame", "Part Instance Name", "Node Label", "SF-SF1", "SM-SM1",
"SM-SM2", "SM-SM3"});
HdfProjection hdf = readHdfProjection(resultsHdf5, input, domain);
const auto displacementRows = orderedRows(displacement, hdf.nodes);
const auto reactionRows = orderedRows(reaction, hdf.nodes);
const auto sectionRows = orderedRows(section, hdf.nodes);
const auto stations = normalizeStations(domain, hdf, section);
if (stations.size() != hdf.nodes.size()) {
fail("schema-mismatch", "The HDF5 node-station row set is incomplete.");
}
ComparisonReport report{};
report.passed = true;
appendNodalRows(
report,
hdf,
displacementRows,
ComparisonQuantity::displacement,
{"UX", "UY", "UZ", "URX", "URY", "URZ"},
{"length", "length", "length", "radian", "radian", "radian"},
hdf.displacement,
kDisplacementPath);
appendNodalRows(
report,
hdf,
reactionRows,
ComparisonQuantity::reaction,
{"RF1", "RF2", "RF3", "RM1", "RM2", "RM3"},
{"force", "force", "force", "force*length", "force*length",
"force*length"},
hdf.reaction,
kReactionPath);
appendSectionRows(report, hdf, sectionRows, stations);
for (const std::string& component :
{"UX", "UY", "UZ", "URX", "URY", "URZ"}) {
evaluateGroup(report, ComparisonQuantity::displacement, component);
}
for (const std::string& component :
{"RF1", "RF2", "RF3", "RM1", "RM2", "RM3"}) {
evaluateGroup(report, ComparisonQuantity::reaction, component);
}
for (const std::string& component : {"N", "T", "My", "Mz"}) {
evaluateGroup(report, ComparisonQuantity::sectionResultant, component);
}
report.physicsEvidence = makePhysicsEvidence(domain, hdf);
report.stressComparisonApplicable = false;
report.stressComparisonReason =
"Abaqus beam stress comparison is N/A; analytical/unit and HDF5 "
"schema tests provide stress evidence.";
return Result<ComparisonReport>::success(std::move(report));
} catch (const ComparisonFailure& failure) {
return Result<ComparisonReport>::failure(
comparisonFailureStatus(failure.code(), failure.what()));
} catch (const std::exception& failure) {
return Result<ComparisonReport>::failure(comparisonFailureStatus(
"schema-mismatch", failure.what()));
}
}
Status ReferenceComparison::writeDeterministicJson(
const ComparisonReport& report,
const std::filesystem::path& outputJson) {
if (outputJson.empty() || outputJson.filename().empty() ||
!finiteReport(report)) {
return Status::failure(
FailureCategory::output,
{{Severity::error,
"comparison-json-write-failure",
{},
"",
kModelId,
"The deterministic comparison report or output path is invalid."}});
}
std::ofstream stream{outputJson, std::ios::binary | std::ios::trunc};
if (!stream) {
return Status::failure(
FailureCategory::output,
{{Severity::error,
"comparison-json-write-failure",
{},
"",
kModelId,
"The deterministic comparison JSON cannot be opened."}});
}
stream.imbue(std::locale::classic());
stream << std::setprecision(std::numeric_limits<double>::max_digits10);
stream << "{\"rows\":[";
for (std::size_t index = 0U; index < report.rows.size(); ++index) {
if (index != 0U) {
stream << ',';
}
const auto& row = report.rows[index];
stream << "{\"fesa\":";
writeCanonicalRow(stream, row.fesa);
stream << ",\"reference\":";
writeCanonicalRow(stream, row.reference);
stream << ",\"absolute_error\":" << row.absoluteError
<< ",\"tolerance\":" << row.tolerance
<< ",\"passed\":" << (row.passed ? "true" : "false") << '}';
}
stream << "],\"metrics\":[";
for (std::size_t index = 0U; index < report.metrics.size(); ++index) {
if (index != 0U) {
stream << ',';
}
const auto& metric = report.metrics[index];
stream << "{\"quantity\":";
writeJsonString(stream, quantityName(metric.quantity));
stream << ",\"component\":";
writeJsonString(stream, metric.component);
stream << ",\"reference_scale\":" << metric.referenceScale
<< ",\"maximum_absolute_error\":"
<< metric.maximumAbsoluteError
<< ",\"maximum_normalized_error\":"
<< metric.maximumNormalizedError
<< ",\"rms_error\":" << metric.rmsError
<< ",\"norm_error\":" << metric.normError
<< ",\"worst_row\":" << metric.worstRow << '}';
}
stream << "],\"physics_evidence\":{\"free_residual_norm\":"
<< report.physicsEvidence.freeResidualNorm
<< ",\"applied_force\":";
writeArray(stream, report.physicsEvidence.appliedForce);
stream << ",\"reaction_force\":";
writeArray(stream, report.physicsEvidence.reactionForce);
stream << ",\"applied_moment_about_origin\":";
writeArray(stream, report.physicsEvidence.appliedMomentAboutOrigin);
stream << ",\"reaction_moment_about_origin\":";
writeArray(stream, report.physicsEvidence.reactionMomentAboutOrigin);
stream << ",\"endpoint_consistency_passed\":"
<< (report.physicsEvidence.endpointConsistencyPassed ? "true" : "false")
<< "},\"stress_comparison_applicable\":"
<< (report.stressComparisonApplicable ? "true" : "false")
<< ",\"stress_comparison_reason\":";
writeJsonString(stream, report.stressComparisonReason);
stream << ",\"passed\":" << (report.passed ? "true" : "false") << "}\n";
if (!stream) {
return Status::failure(
FailureCategory::output,
{{Severity::error,
"comparison-json-write-failure",
{},
"",
kModelId,
"The deterministic comparison JSON write failed."}});
}
return Status::ok();
}
} // namespace fesa::test
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