feat(nonlinear-static-newton-raphson): step 8 - nonlinear-state-commit-rollback

This commit is contained in:
KOKO\Mimi
2026-08-24 14:52:08 +09:00
parent f0dcc6def4
commit a100178be2
5 changed files with 896 additions and 0 deletions
+1
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@@ -6,6 +6,7 @@ add_executable(
unit/analysis/analysis_test.cpp
unit/analysis/analysis_model_test.cpp
unit/analysis/analysis_state_test.cpp
unit/analysis/nonlinear_analysis_state_test.cpp
unit/analysis/nonlinear_static_control_test.cpp
unit/analysis/newton_iteration_log_test.cpp
unit/assembly/parallel_for_test.cpp
@@ -0,0 +1,456 @@
#include "fesa/analysis/nonlinear_analysis_state.h"
#include <gtest/gtest.h>
#include <array>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <filesystem>
#include <limits>
#include <memory>
#include <stdexcept>
#include <string>
#include <type_traits>
#include <utility>
#include <vector>
#include "fesa/analysis/analysis_model.h"
#include "fesa/fem/dof_manager.h"
#include "fesa/model/domain.h"
#include "fesa/model/model_types.h"
namespace {
constexpr std::array<std::array<double, 3>, 3> kIdentityTriad{
std::array<double, 3>{1.0, 0.0, 0.0},
std::array<double, 3>{0.0, 1.0, 0.0},
std::array<double, 3>{0.0, 0.0, 1.0}};
struct Fixture {
std::unique_ptr<fesa::Domain> domain;
std::unique_ptr<fesa::AnalysisModel> model;
std::unique_ptr<fesa::DofManager> dofs;
};
Fixture MakeFixture() {
const std::filesystem::path source{"nonlinear-analysis-state.inp"};
fesa::ModelDefinition definition{};
definition.source_path = source;
definition.source_content_identity = "nonlinear-analysis-state-fixture";
definition.nodes = {
{{"Shell-A", 10, "10"}, {0.0, 0.0, 0.0}, {source, 1U}},
{{"Shell-A", 20, "20"}, {1.0, 0.0, 0.0}, {source, 2U}},
{{"Shell-A", 30, "30"}, {1.0, 1.0, 0.0}, {source, 3U}},
{{"Shell-A", 40, "40"}, {0.0, 1.0, 0.0}, {source, 4U}}};
definition.materials = {{"Material", 1000.0, 0.25, {source, 5U}}};
definition.shell_sections = {{"Shell", 0.1, 0U, {source, 6U}}};
definition.shell_elements = {
{{"Shell-A", 1, "1"},
fesa::ShellSourceElementType::kS4,
{0U, 1U, 2U, 3U},
0U,
0U,
{source, 7U}}};
for (std::size_t node = 0U; node < definition.nodes.size(); ++node) {
definition.shell_node_initial_frames.push_back(
{static_cast<fesa::EntityIndex>(node),
{0.0, 0.0, 1.0},
{1.0, 0.0, 0.0},
{0.0, 1.0, 0.0}});
}
definition.steps = {{"Step-1",
{},
{},
fesa::StaticProcedureKind::kNonlinearFullNewton,
true,
0.1,
1.0,
0.001,
1.0,
{source, 8U}}};
auto domain_result = fesa::Domain::Create(std::move(definition));
if (!domain_result.HasValue()) {
throw std::runtime_error{"State fixture Domain construction failed."};
}
auto domain =
std::make_unique<fesa::Domain>(std::move(domain_result.Value()));
auto model_result = fesa::AnalysisModel::Create(*domain);
if (!model_result.HasValue()) {
throw std::runtime_error{"State fixture AnalysisModel construction failed."};
}
auto model =
std::make_unique<fesa::AnalysisModel>(std::move(model_result.Value()));
auto dofs_result = fesa::DofManager::Create(*model);
if (!dofs_result.HasValue()) {
throw std::runtime_error{"State fixture DofManager construction failed."};
}
auto dofs =
std::make_unique<fesa::DofManager>(std::move(dofs_result.Value()));
return {std::move(domain), std::move(model), std::move(dofs)};
}
fesa::NonlinearStateBaselineInput MakeBaseline(const fesa::Domain& domain) {
fesa::NonlinearStateBaselineInput baseline{};
for (std::size_t node = 0U; node < domain.Nodes().size(); ++node) {
baseline.node_baselines.push_back(
{static_cast<fesa::EntityIndex>(node), domain.Nodes()[node].source_id,
kIdentityTriad, {0.0, 0.0, 1.0}});
}
return baseline;
}
fesa::NonlinearAnalysisState MakeState(const Fixture& fixture) {
auto state = fesa::NonlinearAnalysisState::Create(
*fixture.domain, *fixture.dofs, MakeBaseline(*fixture.domain));
if (!state.HasValue()) {
throw std::runtime_error{"State fixture construction failed."};
}
return std::move(state.Value());
}
fesa::ShellResultRow MakeShellRow(
const fesa::ShellMidsurfaceLocation location,
const std::array<double, 2> coordinates) {
return {0U,
location,
coordinates,
kIdentityTriad,
{},
{},
{{{fesa::ShellSectionPosition::kBottom, -1.0, {}},
{fesa::ShellSectionPosition::kMiddle, 0.0, {}},
{fesa::ShellSectionPosition::kTop, 1.0, {}}}}};
}
std::vector<fesa::ShellResultRow> MakeShellRows() {
const double gauss = 1.0 / std::sqrt(3.0);
return {MakeShellRow(fesa::ShellMidsurfaceLocation::kGp1, {-gauss, -gauss}),
MakeShellRow(fesa::ShellMidsurfaceLocation::kGp2, {gauss, -gauss}),
MakeShellRow(fesa::ShellMidsurfaceLocation::kGp3, {gauss, gauss}),
MakeShellRow(fesa::ShellMidsurfaceLocation::kGp4, {-gauss, gauss})};
}
fesa::AcceptedFrameState MakeFrame(
const fesa::NonlinearTrialState& committed, const std::uint32_t frame_index,
const std::uint32_t increment_index, const double load_factor,
const std::uint32_t iteration_count) {
return {frame_index,
increment_index,
load_factor,
iteration_count,
load_factor == 1.0,
committed.nodal_internal_order,
committed.nodal_source_ids,
committed.generalized_coordinates,
committed.displacement,
committed.rotation_vector,
committed.nodal_triad,
committed.nodal_director,
committed.internal_force,
committed.external_force,
committed.residual,
committed.reaction,
MakeShellRows(),
0.0,
{}};
}
template <class T, class = void>
struct HasVerificationMetrics : std::false_type {};
template <class T>
struct HasVerificationMetrics<
T, std::void_t<decltype(std::declval<T&>().verification_metrics)>>
: std::true_type {};
void ExpectSourceIdEqual(const fesa::SourceEntityId& actual,
const fesa::SourceEntityId& expected) {
EXPECT_EQ(actual.instance_name, expected.instance_name);
EXPECT_EQ(actual.source_label, expected.source_label);
EXPECT_EQ(actual.source_label_text, expected.source_label_text);
}
void ExpectVectorEqual(const fesa::Vector& actual, const fesa::Vector& expected) {
ASSERT_EQ(actual.Size(), expected.Size());
for (std::size_t index = 0U; index < actual.Size(); ++index) {
EXPECT_DOUBLE_EQ(actual[index], expected[index]);
}
}
} // namespace
// NSNR-STATE-000, NSNR-STATE-002, NSNR-STATE-003, and NSNR-STATE-014
TEST(NonlinearAnalysisState, CreatesFactorZeroBaselineInStableIdentityOrder) {
const auto fixture = MakeFixture();
const auto baseline = MakeBaseline(*fixture.domain);
const auto result = fesa::NonlinearAnalysisState::Create(
*fixture.domain, *fixture.dofs, baseline);
ASSERT_TRUE(result.HasValue());
const auto& committed = result.Value().CommittedState();
EXPECT_EQ(committed.increment_index, 0U);
EXPECT_DOUBLE_EQ(committed.load_factor, 0.0);
EXPECT_TRUE(committed.is_factor_zero_baseline);
EXPECT_TRUE(result.Value().AcceptedFrames().empty());
ASSERT_EQ(committed.nodal_internal_order.size(), fixture.domain->Nodes().size());
ASSERT_EQ(committed.nodal_source_ids.size(), fixture.domain->Nodes().size());
for (std::size_t node = 0U; node < fixture.domain->Nodes().size(); ++node) {
EXPECT_EQ(committed.nodal_internal_order[node], node);
ExpectSourceIdEqual(committed.nodal_source_ids[node],
fixture.domain->Nodes()[node].source_id);
}
const fesa::Vector* const vectors[] = {
&committed.generalized_coordinates, &committed.displacement,
&committed.rotation_vector, &committed.internal_force,
&committed.external_force, &committed.residual, &committed.reaction};
for (const auto* vector : vectors) {
ASSERT_EQ(vector->Size(), fixture.dofs->FullDofCount());
for (std::size_t index = 0U; index < vector->Size(); ++index) {
EXPECT_DOUBLE_EQ((*vector)[index], 0.0);
}
}
}
// NSNR-STATE-001
TEST(NonlinearAnalysisState, RejectsInvalidBaselineInventoryBeforeStateCreation) {
const auto fixture = MakeFixture();
const auto baseline = MakeBaseline(*fixture.domain);
const std::array<fesa::NonlinearStateBaselineInput, 5> invalid{
fesa::NonlinearStateBaselineInput{{baseline.node_baselines[0U],
baseline.node_baselines[1U],
baseline.node_baselines[2U]}},
fesa::NonlinearStateBaselineInput{{baseline.node_baselines[0U],
baseline.node_baselines[1U],
baseline.node_baselines[2U],
baseline.node_baselines[3U],
baseline.node_baselines[3U]}},
fesa::NonlinearStateBaselineInput{{baseline.node_baselines[1U],
baseline.node_baselines[0U],
baseline.node_baselines[2U],
baseline.node_baselines[3U]}},
fesa::NonlinearStateBaselineInput{{baseline.node_baselines[0U],
baseline.node_baselines[0U],
baseline.node_baselines[2U],
baseline.node_baselines[3U]}},
fesa::NonlinearStateBaselineInput{{baseline.node_baselines[0U],
baseline.node_baselines[1U],
baseline.node_baselines[2U],
{3U,
{"Other-Instance", 40, "40"},
kIdentityTriad,
{0.0, 0.0, 1.0}}}}};
for (const auto& invalid_baseline : invalid) {
const auto result = fesa::NonlinearAnalysisState::Create(
*fixture.domain, *fixture.dofs, invalid_baseline);
EXPECT_FALSE(result.HasValue());
}
}
// NSNR-STATE-001 and NSNR-STATE-002
TEST(NonlinearAnalysisState, RejectsNonfiniteBaselineAndDofMismatch) {
const auto fixture = MakeFixture();
auto nonfinite_triad = MakeBaseline(*fixture.domain);
nonfinite_triad.node_baselines[0U].triad[0U][0U] =
std::numeric_limits<double>::quiet_NaN();
EXPECT_FALSE(fesa::NonlinearAnalysisState::Create(
*fixture.domain, *fixture.dofs, nonfinite_triad)
.HasValue());
auto nonfinite_director = MakeBaseline(*fixture.domain);
nonfinite_director.node_baselines[0U].director[2U] =
std::numeric_limits<double>::infinity();
EXPECT_FALSE(fesa::NonlinearAnalysisState::Create(
*fixture.domain, *fixture.dofs, nonfinite_director)
.HasValue());
auto empty_domain_result = fesa::Domain::Create(fesa::ModelDefinition{});
ASSERT_TRUE(empty_domain_result.HasValue());
const auto dof_mismatch = fesa::NonlinearAnalysisState::Create(
empty_domain_result.Value(), *fixture.dofs,
MakeBaseline(empty_domain_result.Value()));
EXPECT_FALSE(dof_mismatch.HasValue());
}
// NSNR-STATE-001 and NSNR-STATE-003
TEST(NonlinearAnalysisState, PreservesDuplicateLabelsWhenInstancesDiffer) {
const auto fixture = MakeFixture();
auto baseline = MakeBaseline(*fixture.domain);
baseline.node_baselines[1U].source_id = {"Shell-B", 10, "10"};
auto changed_definition = fesa::ModelDefinition{};
changed_definition.source_path = "duplicate-instance-labels.inp";
changed_definition.source_content_identity = "duplicate-instance-labels";
changed_definition.nodes = {
{{"Shell-A", 10, "10"}, {0.0, 0.0, 0.0}, {changed_definition.source_path, 1U}},
{{"Shell-B", 10, "10"}, {1.0, 0.0, 0.0}, {changed_definition.source_path, 2U}}};
changed_definition.steps = {{"Step-1",
{},
{},
fesa::StaticProcedureKind::kNonlinearFullNewton,
true,
0.1,
1.0,
0.001,
1.0,
{changed_definition.source_path, 3U}}};
auto domain_result = fesa::Domain::Create(std::move(changed_definition));
ASSERT_TRUE(domain_result.HasValue());
auto domain = std::move(domain_result.Value());
auto model_result = fesa::AnalysisModel::Create(domain);
ASSERT_TRUE(model_result.HasValue());
auto dofs_result = fesa::DofManager::Create(model_result.Value());
ASSERT_TRUE(dofs_result.HasValue());
baseline.node_baselines.resize(domain.Nodes().size());
baseline = MakeBaseline(domain);
const auto result = fesa::NonlinearAnalysisState::Create(
domain, dofs_result.Value(), baseline);
ASSERT_TRUE(result.HasValue());
ASSERT_EQ(result.Value().CommittedState().nodal_source_ids.size(), 2U);
EXPECT_EQ(result.Value().CommittedState().nodal_source_ids[0U].source_label,
result.Value().CommittedState().nodal_source_ids[1U].source_label);
EXPECT_NE(result.Value().CommittedState().nodal_source_ids[0U].instance_name,
result.Value().CommittedState().nodal_source_ids[1U].instance_name);
}
// NSNR-STATE-004 and NSNR-STATE-012
TEST(NonlinearAnalysisState, StartsIndependentTrialAndDiscardPreservesCommit) {
const auto fixture = MakeFixture();
auto state = MakeState(fixture);
const auto before = state.CommittedState();
auto trial = state.BeginTrialFromCommitted();
ASSERT_TRUE(trial.HasValue());
EXPECT_NE(trial.Value().displacement.Data(),
state.CommittedState().displacement.Data());
trial.Value().displacement[0U] = 2.0;
trial.Value().nodal_director[0U][2U] = 0.5;
state.DiscardTrial();
ExpectVectorEqual(state.CommittedState().displacement, before.displacement);
EXPECT_DOUBLE_EQ(state.CommittedState().nodal_director[0U][2U], 1.0);
}
// NSNR-STATE-005, NSNR-STATE-006, NSNR-STATE-007, NSNR-STATE-008,
// NSNR-STATE-009, and NSNR-STATE-010
TEST(NonlinearAnalysisState, CommitsOnlyStableCompleteAcceptedFrames) {
const auto fixture = MakeFixture();
auto state = MakeState(fixture);
auto first = MakeFrame(state.CommittedState(), 0U, 1U, 0.5, 3U);
first.internal_force[0U] = 7.0;
first.external_force[0U] = 2.0;
first.residual[0U] = 5.0;
first.reaction[0U] = 5.0;
ASSERT_TRUE(state.CommitAcceptedFrame(first).IsOk());
ASSERT_EQ(state.AcceptedFrames().size(), 1U);
EXPECT_EQ(state.AcceptedFrames()[0U].frame_index, 0U);
EXPECT_EQ(state.AcceptedFrames()[0U].increment_index, 1U);
EXPECT_FALSE(state.AcceptedFrames()[0U].is_factor_one);
EXPECT_EQ(state.CommittedState().increment_index, 1U);
EXPECT_FALSE(state.CommittedState().is_factor_zero_baseline);
EXPECT_DOUBLE_EQ(state.CommittedState().residual[0U], 5.0);
EXPECT_DOUBLE_EQ(state.CommittedState().reaction[0U], 5.0);
ASSERT_EQ(state.CommittedState().shell_results.size(), 4U);
EXPECT_EQ(state.CommittedState().shell_results[0U].location,
fesa::ShellMidsurfaceLocation::kGp1);
EXPECT_EQ(state.CommittedState().shell_results[3U].location,
fesa::ShellMidsurfaceLocation::kGp4);
auto final_frame = MakeFrame(state.CommittedState(), 1U, 2U, 1.0, 2U);
ASSERT_TRUE(state.CommitAcceptedFrame(final_frame).IsOk());
ASSERT_EQ(state.AcceptedFrames().size(), 2U);
EXPECT_EQ(state.AcceptedFrames()[1U].frame_index, 1U);
EXPECT_TRUE(state.AcceptedFrames()[1U].is_factor_one);
}
// NSNR-STATE-005, NSNR-STATE-009, NSNR-STATE-010, and NSNR-STATE-012
TEST(NonlinearAnalysisState, AtomicallyRejectsMalformedAcceptedFrames) {
const auto fixture = MakeFixture();
auto state = MakeState(fixture);
const auto first = MakeFrame(state.CommittedState(), 0U, 1U, 0.5, 1U);
ASSERT_TRUE(state.CommitAcceptedFrame(first).IsOk());
const auto MakeNextFrame = [&state]() {
return MakeFrame(state.CommittedState(), 1U, 2U, 1.0, 1U);
};
const auto ExpectRejected = [&state](const fesa::AcceptedFrameState& frame) {
const auto before = state.CommittedState();
const std::size_t frame_count = state.AcceptedFrames().size();
const auto status = state.CommitAcceptedFrame(frame);
EXPECT_FALSE(status.IsOk());
ASSERT_EQ(status.Diagnostics().size(), 1U);
EXPECT_EQ(status.Diagnostics()[0U].code, "invalid-accepted-state");
EXPECT_EQ(state.AcceptedFrames().size(), frame_count);
EXPECT_EQ(state.CommittedState().increment_index, before.increment_index);
EXPECT_DOUBLE_EQ(state.CommittedState().load_factor, before.load_factor);
ExpectVectorEqual(state.CommittedState().displacement, before.displacement);
};
auto wrong_frame_index = MakeNextFrame();
wrong_frame_index.frame_index = 2U;
ExpectRejected(wrong_frame_index);
auto nonincreasing_factor = MakeFrame(state.CommittedState(), 1U, 2U, 0.5, 1U);
ExpectRejected(nonincreasing_factor);
auto mismatched_identity = MakeNextFrame();
mismatched_identity.nodal_source_ids[0U].instance_name = "Wrong-Instance";
ExpectRejected(mismatched_identity);
auto wrong_vector_size = MakeNextFrame();
wrong_vector_size.generalized_coordinates =
fesa::Vector{fixture.dofs->FullDofCount() - 1U};
ExpectRejected(wrong_vector_size);
auto nonfinite_vector = MakeNextFrame();
nonfinite_vector.rotation_vector[0U] =
std::numeric_limits<double>::quiet_NaN();
ExpectRejected(nonfinite_vector);
auto residual_mismatch = MakeNextFrame();
residual_mismatch.residual[0U] = 1.0;
ExpectRejected(residual_mismatch);
auto reaction_mismatch = MakeNextFrame();
reaction_mismatch.reaction[0U] = 1.0;
ExpectRejected(reaction_mismatch);
auto invalid_shell_inventory = MakeNextFrame();
invalid_shell_inventory.shell_results.pop_back();
ExpectRejected(invalid_shell_inventory);
auto invalid_factor_flag = MakeNextFrame();
invalid_factor_flag.is_factor_one = false;
ExpectRejected(invalid_factor_flag);
}
// NSNR-STATE-011 and NSNR-STATE-012
TEST(NonlinearAnalysisState, AtomicallyRejectsNonfiniteAcceptedFrame) {
const auto fixture = MakeFixture();
auto state = MakeState(fixture);
const auto valid = MakeFrame(state.CommittedState(), 0U, 1U, 0.5, 1U);
ASSERT_TRUE(state.CommitAcceptedFrame(valid).IsOk());
const auto before = state.CommittedState();
auto invalid = MakeFrame(state.CommittedState(), 1U, 2U, 1.0, 1U);
invalid.physical_strain_energy = std::numeric_limits<double>::quiet_NaN();
const auto status = state.CommitAcceptedFrame(invalid);
EXPECT_FALSE(status.IsOk());
ASSERT_EQ(status.Diagnostics().size(), 1U);
EXPECT_EQ(status.Diagnostics()[0U].code, "invalid-accepted-state");
ASSERT_EQ(state.AcceptedFrames().size(), 1U);
ExpectVectorEqual(state.CommittedState().displacement, before.displacement);
EXPECT_DOUBLE_EQ(state.CommittedState().load_factor, before.load_factor);
}
// NSNR-STATE-013
TEST(NonlinearAnalysisState, StoresNoUnapprovedVerificationMetrics) {
EXPECT_FALSE((HasVerificationMetrics<fesa::NonlinearTrialState>::value));
EXPECT_FALSE((HasVerificationMetrics<fesa::AcceptedFrameState>::value));
}