KOKO\Mimi
507 lines
18 KiB
C++
507 lines
18 KiB
C++
#include "fesa/assembly/load_assembler.hpp"
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#include "fesa/analysis/analysis_model.hpp"
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#include "fesa/fem/dof_manager.hpp"
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#include "fesa/model/domain.hpp"
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#include <gtest/gtest.h>
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#include <algorithm>
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#include <cstddef>
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#include <cstdint>
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#include <filesystem>
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#include <limits>
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#include <memory>
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#include <optional>
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#include <stdexcept>
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#include <string>
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#include <utility>
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#include <vector>
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namespace {
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struct LoadFixture {
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std::unique_ptr<fesa::Domain> domain;
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std::unique_ptr<fesa::AnalysisModel> model;
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std::unique_ptr<fesa::DofManager> dofs;
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};
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LoadFixture makeFixture(
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const std::size_t nodeCount,
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std::vector<fesa::NodeSet> nodeSets,
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std::vector<fesa::BoundaryCondition> boundaries,
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std::vector<fesa::NodalLoad> loads) {
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const std::filesystem::path source{"models/load-assembly.inp"};
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fesa::ModelDefinition definition{};
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definition.sourcePath = source;
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definition.sourceContentIdentity = "fnv1a64:abcdef0123456789";
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for (std::size_t index = 0U; index < nodeCount; ++index) {
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const auto label = static_cast<std::int64_t>((index + 1U) * 10U);
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definition.nodes.push_back({
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{"Beam-1", label, std::to_string(label)},
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{static_cast<double>(index), 0.0, 0.0},
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{source, index + 2U}});
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}
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definition.nodeSets = std::move(nodeSets);
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definition.steps = {{
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"Step-1",
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std::move(boundaries),
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std::move(loads),
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0.1,
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1.0,
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0.01,
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1.0,
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{source, 20U}}};
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auto domainResult = fesa::Domain::create(std::move(definition));
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if (!domainResult.hasValue()) {
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throw std::runtime_error{"Load fixture Domain construction failed."};
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}
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auto domain = std::make_unique<fesa::Domain>(
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std::move(domainResult.value()));
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auto modelResult = fesa::AnalysisModel::create(*domain);
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if (!modelResult.hasValue()) {
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throw std::runtime_error{"Load fixture AnalysisModel construction failed."};
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}
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auto model = std::make_unique<fesa::AnalysisModel>(
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std::move(modelResult.value()));
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auto dofResult = fesa::DofManager::create(*model);
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if (!dofResult.hasValue()) {
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throw std::runtime_error{"Load fixture DofManager construction failed."};
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}
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auto dofs = std::make_unique<fesa::DofManager>(
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std::move(dofResult.value()));
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return {std::move(domain), std::move(model), std::move(dofs)};
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}
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LoadFixture makeShellFixture(
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std::vector<fesa::BoundaryCondition> boundaries,
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std::vector<fesa::NodalLoad> loads) {
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const std::filesystem::path source{"models/shell-load-assembly.inp"};
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fesa::ModelDefinition definition{};
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definition.sourcePath = source;
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definition.sourceContentIdentity = "fnv1a64:1122334455667788";
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definition.nodes = {
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{{"Shell-1", 10, "10"}, {0.0, 0.0, 0.0}, {source, 2U}},
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{{"Shell-1", 20, "20"}, {1.0, 0.0, 0.0}, {source, 3U}},
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{{"Shell-1", 30, "30"}, {1.0, 1.0, 0.0}, {source, 4U}},
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{{"Shell-1", 40, "40"}, {0.0, 1.0, 0.0}, {source, 5U}}};
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definition.materials = {
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{"Material", 1000.0, 0.25, {source, 6U}}};
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definition.shellSections = {
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{"ShellSection", 0.1, 0U, {source, 7U}}};
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definition.shellElements = {{
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{"Shell-1", 1, "1"},
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fesa::ShellSourceElementType::s4,
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{0U, 1U, 2U, 3U},
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0U,
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0U,
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{source, 8U}}};
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for (std::size_t node = 0U; node < definition.nodes.size(); ++node) {
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definition.shellNodeInitialFrames.push_back({
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static_cast<fesa::EntityIndex>(node),
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{0.0, 0.0, 1.0},
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{1.0, 0.0, 0.0},
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{0.0, 1.0, 0.0}});
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}
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definition.steps = {{
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"Step-1",
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std::move(boundaries),
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std::move(loads),
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0.1,
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1.0,
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0.01,
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1.0,
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{source, 20U}}};
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auto domainResult = fesa::Domain::create(std::move(definition));
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if (!domainResult.hasValue()) {
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throw std::runtime_error{"Shell load fixture Domain construction failed."};
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}
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auto domain = std::make_unique<fesa::Domain>(
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std::move(domainResult.value()));
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auto modelResult = fesa::AnalysisModel::create(*domain);
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if (!modelResult.hasValue()) {
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throw std::runtime_error{"Shell load fixture AnalysisModel construction failed."};
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}
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auto model = std::make_unique<fesa::AnalysisModel>(
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std::move(modelResult.value()));
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auto dofResult = fesa::DofManager::create(*model);
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if (!dofResult.hasValue()) {
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throw std::runtime_error{"Shell load fixture DofManager construction failed."};
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}
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auto dofs = std::make_unique<fesa::DofManager>(
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std::move(dofResult.value()));
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return {std::move(domain), std::move(model), std::move(dofs)};
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}
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fesa::SparseMatrix makeDenseSparse(
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const std::size_t rows,
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const std::size_t columns,
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const std::vector<double>& values) {
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if (values.size() != rows * columns) {
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throw std::invalid_argument{"Dense sparse fixture has the wrong value count."};
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}
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fesa::SparsePattern pattern;
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std::vector<fesa::CooContribution> contributions;
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pattern.rowOffsets.reserve(rows + 1U);
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pattern.rowOffsets.push_back(0U);
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for (std::size_t row = 0U; row < rows; ++row) {
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for (std::size_t column = 0U; column < columns; ++column) {
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pattern.columnIndices.push_back(column);
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contributions.push_back({
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row,
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column,
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values[row * columns + column],
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row,
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column});
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}
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pattern.rowOffsets.push_back(pattern.columnIndices.size());
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}
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auto result = fesa::SparseMatrix::fromCoo(
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rows, columns, std::move(contributions), pattern);
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if (!result.hasValue()) {
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throw std::runtime_error{"Sparse fixture construction failed."};
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}
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return std::move(result.value());
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}
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void expectFailureCode(
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const fesa::Result<fesa::Vector>& result,
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const std::string& code) {
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ASSERT_FALSE(result.hasValue());
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EXPECT_EQ(result.status().failureCategory(), fesa::FailureCategory::model);
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ASSERT_EQ(result.status().diagnostics().size(), 1U);
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EXPECT_EQ(result.status().diagnostics()[0U].code, code);
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}
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} // namespace
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TEST(LoadAssembly, AssemblesNodeSetAndSixComponentLoads) {
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const std::filesystem::path source{"models/load-assembly.inp"};
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auto fixture = makeFixture(
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2U,
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{{"Pair", std::nullopt, {0U, 1U}, {source, 10U}}},
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{{"10", 1, 1, 0.0, {source, 21U}}},
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{{"pair", 1, 1.0, {source, 30U}},
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{"10", 2, 2.0, {source, 31U}},
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{"20", 3, 3.0, {source, 32U}},
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{"10", 4, -4.0, {source, 33U}},
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{"PAIR", 5, 5.0, {source, 34U}},
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{"20", 6, 6.0, {source, 35U}}});
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auto result = fesa::LoadAssembler::assembleFullNodalLoad(
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*fixture.model, *fixture.dofs);
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ASSERT_TRUE(result.hasValue());
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ASSERT_EQ(result.value().size(), 12U);
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EXPECT_EQ(
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std::vector<double>(result.value().data(), result.value().data() + 12U),
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(std::vector<double>{
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1.0, 2.0, 0.0, -4.0, 5.0, 0.0,
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1.0, 0.0, 3.0, 0.0, 5.0, 6.0}));
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EXPECT_EQ(fixture.dofs->constrainedDofs(),
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(std::vector<std::size_t>{0U}));
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EXPECT_DOUBLE_EQ(result.value()[0U], 1.0);
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}
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TEST(LoadAssembly, AccumulatesSignedLoadsInSourceOrder) {
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const std::filesystem::path source{"models/load-assembly.inp"};
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auto firstOrder = makeFixture(
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1U,
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{},
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{},
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{{"10", 1, 1.0e16, {source, 30U}},
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{"10", 1, -1.0e16, {source, 31U}},
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{"10", 1, 1.0, {source, 32U}}});
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auto secondOrder = makeFixture(
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1U,
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{},
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{},
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{{"10", 1, 1.0e16, {source, 30U}},
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{"10", 1, 1.0, {source, 31U}},
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{"10", 1, -1.0e16, {source, 32U}}});
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auto first = fesa::LoadAssembler::assembleFullNodalLoad(
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*firstOrder.model, *firstOrder.dofs);
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auto second = fesa::LoadAssembler::assembleFullNodalLoad(
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*secondOrder.model, *secondOrder.dofs);
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ASSERT_TRUE(first.hasValue());
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ASSERT_TRUE(second.hasValue());
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EXPECT_DOUBLE_EQ(first.value()[0U], 1.0);
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EXPECT_DOUBLE_EQ(second.value()[0U], 0.0);
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}
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// MITC4-LOAD-001
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TEST(LoadAssembly, AggregatesAllSixGlobalShellLoadComponentsInSourceOrder) {
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const std::filesystem::path source{"models/shell-load-assembly.inp"};
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auto fixture = makeShellFixture(
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{},
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{{"10", 1, 1.0e16, {source, 30U}},
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{"10", 1, -1.0e16, {source, 31U}},
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{"10", 1, 1.0, {source, 32U}},
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{"10", 2, 2.0, {source, 33U}},
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{"10", 3, 3.0, {source, 34U}},
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{"10", 4, 1.0e16, {source, 35U}},
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{"10", 4, -1.0e16, {source, 36U}},
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{"10", 4, 4.0, {source, 37U}},
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{"10", 5, 5.0, {source, 38U}},
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{"10", 6, 6.0, {source, 39U}},
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{"10", 6, -6.0, {source, 40U}}});
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const auto result = fesa::LoadAssembler::assembleFullNodalLoad(
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*fixture.model, *fixture.dofs);
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ASSERT_TRUE(result.hasValue());
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ASSERT_EQ(result.value().size(), 24U);
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EXPECT_EQ(
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std::vector<double>(result.value().data(), result.value().data() + 6U),
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(std::vector<double>{1.0, 2.0, 3.0, 4.0, 5.0, 0.0}));
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}
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// MITC4-LOAD-002
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TEST(LoadAssembly, AcceptsExactlyZeroAggregateShellMoment) {
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const std::filesystem::path source{"models/shell-load-assembly.inp"};
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auto fixture = makeShellFixture(
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{},
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{{"10", 4, 3.0, {source, 30U}},
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{"10", 4, -3.0, {source, 31U}},
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{"10", 5, 4.0, {source, 32U}},
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{"10", 5, -4.0, {source, 33U}},
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{"10", 6, 5.0, {source, 34U}},
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{"10", 6, -5.0, {source, 35U}}});
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const auto result = fesa::LoadAssembler::assembleFullNodalLoad(
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*fixture.model, *fixture.dofs);
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ASSERT_TRUE(result.hasValue());
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EXPECT_DOUBLE_EQ(result.value()[3U], 0.0);
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EXPECT_DOUBLE_EQ(result.value()[4U], 0.0);
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EXPECT_DOUBLE_EQ(result.value()[5U], 0.0);
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}
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// MITC4-LOAD-003
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TEST(LoadAssembly, EnforcesAggregateShellMomentDirectorProjectionThreshold) {
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const std::filesystem::path source{"models/shell-load-assembly.inp"};
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auto acceptedFixture = makeShellFixture(
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{},
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{{"10", 4, 1.0, {source, 30U}},
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{"10", 6, 1.0e-12, {source, 31U}}});
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auto rejectedFixture = makeShellFixture(
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{},
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{{"10", 4, 1.0, {source, 30U}},
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{"10", 6, 2.0e-12, {source, 31U}}});
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const auto accepted = fesa::LoadAssembler::assembleFullNodalLoad(
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*acceptedFixture.model, *acceptedFixture.dofs);
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const auto rejected = fesa::LoadAssembler::assembleFullNodalLoad(
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*rejectedFixture.model, *rejectedFixture.dofs);
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ASSERT_TRUE(accepted.hasValue());
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ASSERT_FALSE(rejected.hasValue());
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EXPECT_EQ(rejected.status().failureCategory(), fesa::FailureCategory::model);
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ASSERT_EQ(rejected.status().diagnostics().size(), 1U);
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EXPECT_EQ(
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rejected.status().diagnostics()[0U].code,
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"unsupported-drilling-load");
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EXPECT_EQ(rejected.status().diagnostics()[0U].keyword, "CLOAD");
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EXPECT_EQ(rejected.status().diagnostics()[0U].entityIdentity, "10");
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}
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// MITC4-LOAD-004
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TEST(LoadAssembly, RejectsDrillingMomentBeforeEffectiveRhsCanBeFormed) {
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const std::filesystem::path source{"models/shell-load-assembly.inp"};
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auto fixture = makeShellFixture(
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{{"10", 1, 1, 2.0, {source, 21U}}},
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{{"10", 6, 1.0, {source, 30U}}});
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const auto rejected = fesa::LoadAssembler::assembleFullNodalLoad(
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*fixture.model, *fixture.dofs);
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ASSERT_FALSE(rejected.hasValue());
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EXPECT_EQ(rejected.status().failureCategory(), fesa::FailureCategory::model);
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ASSERT_EQ(rejected.status().diagnostics().size(), 1U);
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EXPECT_EQ(
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rejected.status().diagnostics()[0U].code,
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"unsupported-drilling-load");
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}
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TEST(LoadAssembly, FormsNonzeroPrescribedEffectiveRhs) {
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const std::filesystem::path source{"models/load-assembly.inp"};
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auto fixture = makeFixture(
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1U,
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{},
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{{"10", 2, 2, 2.0, {source, 21U}},
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{"10", 5, 5, -1.0, {source, 22U}}},
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{{"10", 1, 10.0, {source, 30U}},
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{"10", 2, 900.0, {source, 31U}},
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{"10", 3, 20.0, {source, 32U}},
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{"10", 4, 30.0, {source, 33U}},
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{"10", 5, 800.0, {source, 34U}},
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{"10", 6, 40.0, {source, 35U}}});
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auto full = fesa::LoadAssembler::assembleFullNodalLoad(
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*fixture.model, *fixture.dofs);
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ASSERT_TRUE(full.hasValue());
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const auto kfc = makeDenseSparse(
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4U,
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2U,
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{1.0, 2.0,
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3.0, 4.0,
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-2.0, 5.0,
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0.5, -1.0});
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auto rhs = fesa::LoadAssembler::effectiveFreeRhs(
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full.value(), kfc, fixture.dofs->prescribedValues(), *fixture.dofs);
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ASSERT_TRUE(rhs.hasValue());
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ASSERT_EQ(rhs.value().size(), 4U);
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EXPECT_EQ(
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std::vector<double>(rhs.value().data(), rhs.value().data() + 4U),
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(std::vector<double>{10.0, 18.0, 39.0, 38.0}));
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}
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TEST(LoadAssembly, RejectsNonfiniteOrDimensionMismatch) {
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const std::filesystem::path source{"models/load-assembly.inp"};
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const double maximum = (std::numeric_limits<double>::max)();
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auto nonfinite = makeFixture(
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1U,
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{},
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{},
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{{"10", 1, std::numeric_limits<double>::quiet_NaN(), {source, 30U}}});
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expectFailureCode(
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fesa::LoadAssembler::assembleFullNodalLoad(
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*nonfinite.model, *nonfinite.dofs),
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"nonfinite-load-value");
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auto overflow = makeFixture(
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1U,
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{},
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{},
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{{"10", 1, maximum, {source, 30U}},
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{"10", 1, maximum, {source, 31U}}});
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expectFailureCode(
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fesa::LoadAssembler::assembleFullNodalLoad(
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*overflow.model, *overflow.dofs),
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"nonfinite-load-accumulation");
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auto oneNode = makeFixture(
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1U,
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{},
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{{"10", 2, 2, 2.0, {source, 21U}},
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{"10", 5, 5, -1.0, {source, 22U}}},
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{});
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auto twoNodes = makeFixture(2U, {}, {}, {});
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expectFailureCode(
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fesa::LoadAssembler::assembleFullNodalLoad(
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*twoNodes.model, *oneNode.dofs),
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"invalid-load-dimensions");
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const auto validKfc = makeDenseSparse(4U, 2U, std::vector<double>(8U, 0.0));
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expectFailureCode(
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fesa::LoadAssembler::effectiveFreeRhs(
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fesa::Vector{5U},
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validKfc,
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oneNode.dofs->prescribedValues(),
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*oneNode.dofs),
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"invalid-load-dimensions");
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expectFailureCode(
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fesa::LoadAssembler::effectiveFreeRhs(
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fesa::Vector{6U},
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makeDenseSparse(3U, 2U, std::vector<double>(6U, 0.0)),
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oneNode.dofs->prescribedValues(),
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*oneNode.dofs),
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"invalid-load-dimensions");
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expectFailureCode(
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fesa::LoadAssembler::effectiveFreeRhs(
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fesa::Vector{6U},
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makeDenseSparse(4U, 1U, std::vector<double>(4U, 0.0)),
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oneNode.dofs->prescribedValues(),
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*oneNode.dofs),
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"invalid-load-dimensions");
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expectFailureCode(
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fesa::LoadAssembler::effectiveFreeRhs(
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fesa::Vector{6U}, validKfc, fesa::Vector{1U}, *oneNode.dofs),
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"invalid-load-dimensions");
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fesa::Vector nonfiniteFull{6U};
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nonfiniteFull[0U] = std::numeric_limits<double>::infinity();
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expectFailureCode(
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fesa::LoadAssembler::effectiveFreeRhs(
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nonfiniteFull,
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validKfc,
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oneNode.dofs->prescribedValues(),
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*oneNode.dofs),
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"nonfinite-load-value");
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fesa::Vector nonfinitePrescribed{2U};
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nonfinitePrescribed[0U] = std::numeric_limits<double>::quiet_NaN();
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expectFailureCode(
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fesa::LoadAssembler::effectiveFreeRhs(
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fesa::Vector{6U}, validKfc, nonfinitePrescribed, *oneNode.dofs),
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"nonfinite-load-value");
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const auto overflowingKfc = makeDenseSparse(
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4U,
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2U,
|
|
{maximum, 0.0,
|
|
0.0, 0.0,
|
|
0.0, 0.0,
|
|
0.0, 0.0});
|
|
expectFailureCode(
|
|
fesa::LoadAssembler::effectiveFreeRhs(
|
|
fesa::Vector{6U},
|
|
overflowingKfc,
|
|
oneNode.dofs->prescribedValues(),
|
|
*oneNode.dofs),
|
|
"nonfinite-load-accumulation");
|
|
}
|
|
|
|
TEST(LoadAssembly, ZeroLoadsRemainZero) {
|
|
const std::filesystem::path source{"models/load-assembly.inp"};
|
|
auto freeFixture = makeFixture(
|
|
1U,
|
|
{},
|
|
{},
|
|
{{"10", 3, 0.0, {source, 30U}}});
|
|
auto full = fesa::LoadAssembler::assembleFullNodalLoad(
|
|
*freeFixture.model, *freeFixture.dofs);
|
|
ASSERT_TRUE(full.hasValue());
|
|
EXPECT_TRUE(std::all_of(
|
|
full.value().data(),
|
|
full.value().data() + full.value().size(),
|
|
[](const double value) { return value == 0.0; }));
|
|
const auto noConstrainedColumns = makeDenseSparse(6U, 0U, {});
|
|
auto freeRhs = fesa::LoadAssembler::effectiveFreeRhs(
|
|
full.value(),
|
|
noConstrainedColumns,
|
|
freeFixture.dofs->prescribedValues(),
|
|
*freeFixture.dofs);
|
|
ASSERT_TRUE(freeRhs.hasValue());
|
|
EXPECT_EQ(freeRhs.value().size(), 6U);
|
|
EXPECT_TRUE(std::all_of(
|
|
freeRhs.value().data(),
|
|
freeRhs.value().data() + freeRhs.value().size(),
|
|
[](const double value) { return value == 0.0; }));
|
|
|
|
auto constrainedFixture = makeFixture(
|
|
1U,
|
|
{},
|
|
{{"10", 1, 6, 0.0, {source, 21U}}},
|
|
{});
|
|
auto constrainedFull = fesa::LoadAssembler::assembleFullNodalLoad(
|
|
*constrainedFixture.model, *constrainedFixture.dofs);
|
|
ASSERT_TRUE(constrainedFull.hasValue());
|
|
const auto noFreeRows = makeDenseSparse(0U, 6U, {});
|
|
auto constrainedRhs = fesa::LoadAssembler::effectiveFreeRhs(
|
|
constrainedFull.value(),
|
|
noFreeRows,
|
|
constrainedFixture.dofs->prescribedValues(),
|
|
*constrainedFixture.dofs);
|
|
ASSERT_TRUE(constrainedRhs.hasValue());
|
|
EXPECT_EQ(constrainedRhs.value().size(), 0U);
|
|
}
|