NINI
303 lines
10 KiB
C++
303 lines
10 KiB
C++
#include "fesa/fesa.hpp"
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#include <cmath>
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#include <functional>
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#include <iostream>
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#include <stdexcept>
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#include <string>
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#include <vector>
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namespace {
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using TestFn = std::function<void()>;
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struct TestCase {
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std::string name;
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TestFn fn;
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};
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std::vector<TestCase>& registry() {
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static std::vector<TestCase> tests;
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return tests;
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}
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struct RegisterTest {
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RegisterTest(std::string name, TestFn fn) {
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registry().push_back({std::move(name), std::move(fn)});
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}
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};
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#define FESA_TEST(name) \
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void name(); \
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RegisterTest register_##name(#name, name); \
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void name()
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#define FESA_CHECK(expr) \
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do { \
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if (!(expr)) { \
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throw std::runtime_error(std::string("check failed: ") + #expr); \
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} \
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} while (false)
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#define FESA_CHECK_NEAR(actual, expected, tol) \
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do { \
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const auto actual_value = (actual); \
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const auto expected_value = (expected); \
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if (std::fabs(actual_value - expected_value) > (tol)) { \
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throw std::runtime_error(std::string("near check failed: ") + #actual); \
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} \
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} while (false)
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std::string sourceRoot() {
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#ifdef FESA_SOURCE_DIR
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return FESA_SOURCE_DIR;
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#else
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return ".";
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#endif
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}
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std::string phase1Input() {
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return R"inp(
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*Node
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1, 0, 0, 0
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2, 1, 0, 0
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3, 1, 1, 0
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4, 0, 1, 0
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*Element, type=S4, elset=EALL
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1, 1, 2, 3, 4
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*Nset, nset=LEFT
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1, 4
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*Nset, nset=RIGHT
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2, 3
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*Elset, elset=EALL
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1
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*Material, name=STEEL
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*Elastic
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1000.0, 0.3
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*Shell Section, elset=EALL, material=STEEL
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0.1
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*Boundary
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LEFT, 1, 6, 0
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RIGHT, 1, 2, 0
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RIGHT, 4, 6, 0
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*Cload
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2, 3, -1
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3, 3, -1
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*Step, name=Step-1
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*Static
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*End Step
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)inp";
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}
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fesa::Domain parsedPhase1Domain() {
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fesa::AbaqusInputParser parser;
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auto parsed = parser.parseString(phase1Input());
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FESA_CHECK(parsed.ok());
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auto diagnostics = fesa::validateDomain(parsed.domain);
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FESA_CHECK(!fesa::hasError(diagnostics));
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return parsed.domain;
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}
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} // namespace
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FESA_TEST(core_types_and_dof_mapping_are_stable) {
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FESA_CHECK(sizeof(fesa::Real) == 8);
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FESA_CHECK(sizeof(fesa::GlobalId) == 8);
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FESA_CHECK(sizeof(fesa::EquationId) == 8);
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FESA_CHECK(fesa::abaqusDofNumber(fesa::Dof::UX) == 1);
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FESA_CHECK(fesa::abaqusDofNumber(fesa::Dof::RZ) == 6);
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FESA_CHECK(fesa::dofFromAbaqus(3).value() == fesa::Dof::UZ);
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FESA_CHECK(std::string(fesa::dofLabel(fesa::Dof::RY)) == "RY");
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}
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FESA_TEST(parser_accepts_phase1_subset) {
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fesa::AbaqusInputParser parser;
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auto parsed = parser.parseString(phase1Input());
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FESA_CHECK(parsed.ok());
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FESA_CHECK(parsed.domain.nodes.size() == 4);
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FESA_CHECK(parsed.domain.elements.size() == 1);
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FESA_CHECK(parsed.domain.node_sets.at("left").node_ids.size() == 2);
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FESA_CHECK(parsed.domain.element_sets.at("eall").element_ids.size() == 1);
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FESA_CHECK(parsed.domain.materials.at("steel").elastic_modulus == 1000.0);
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FESA_CHECK(parsed.domain.shell_sections.front().thickness == 0.1);
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FESA_CHECK(parsed.domain.boundary_conditions.size() == 3);
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FESA_CHECK(parsed.domain.loads.size() == 2);
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}
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FESA_TEST(parser_rejects_unsupported_features) {
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const std::string text = R"inp(
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*Part, name=P1
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*Node
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1, 0, 0, 0
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*Element, type=S4R
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1, 1, 2, 3, 4
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*Step, nlgeom=YES
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*End Step
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)inp";
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fesa::AbaqusInputParser parser;
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auto parsed = parser.parseString(text);
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FESA_CHECK(!parsed.ok());
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FESA_CHECK(fesa::containsDiagnostic(parsed.diagnostics, "FESA-PARSE-UNSUPPORTED-KEYWORD"));
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FESA_CHECK(fesa::containsDiagnostic(parsed.diagnostics, "FESA-PARSE-UNSUPPORTED-ELEMENT"));
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FESA_CHECK(fesa::containsDiagnostic(parsed.diagnostics, "FESA-PARSE-UNSUPPORTED-NLGEOM"));
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}
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FESA_TEST(quad01_reference_input_remains_unsupported) {
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fesa::AbaqusInputParser parser;
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auto parsed = parser.parseFile(sourceRoot() + "/references/quad_01.inp");
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FESA_CHECK(!parsed.ok());
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FESA_CHECK(fesa::containsDiagnostic(parsed.diagnostics, "FESA-PARSE-UNSUPPORTED-KEYWORD") ||
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fesa::containsDiagnostic(parsed.diagnostics, "FESA-PARSE-UNSUPPORTED-ELEMENT"));
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}
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FESA_TEST(domain_validation_reports_missing_property_and_targets) {
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fesa::Domain domain;
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domain.nodes[1] = {1, {0, 0, 0}};
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domain.nodes[2] = {2, {1, 0, 0}};
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domain.nodes[3] = {3, {1, 1, 0}};
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domain.nodes[4] = {4, {0, 1, 0}};
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domain.elements[1] = {1, fesa::ElementType::MITC4, {1, 2, 3, 4}, ""};
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domain.loads.push_back({"MISSING", 3, 1.0});
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auto diagnostics = fesa::validateDomain(domain);
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FESA_CHECK(fesa::containsDiagnostic(diagnostics, "FESA-VALIDATION-MISSING-PROPERTY"));
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FESA_CHECK(fesa::containsDiagnostic(diagnostics, "FESA-VALIDATION-MISSING-NSET"));
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}
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FESA_TEST(dof_manager_owns_equation_numbering_and_reconstruction) {
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auto domain = parsedPhase1Domain();
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fesa::DofManager dofs(domain);
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FESA_CHECK(dofs.fullDofCount() == 24);
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FESA_CHECK(dofs.freeDofCount() == 2);
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FESA_CHECK(dofs.isConstrained(1, fesa::Dof::UX));
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FESA_CHECK(dofs.equation(2, fesa::Dof::UZ) == 0);
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FESA_CHECK(dofs.equation(3, fesa::Dof::UZ) == 1);
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auto full = dofs.reconstructFullVector({-0.1, -0.2});
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FESA_CHECK_NEAR(full[static_cast<std::size_t>(dofs.fullIndex(2, fesa::Dof::UZ))], -0.1, 1.0e-15);
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FESA_CHECK_NEAR(full[static_cast<std::size_t>(dofs.fullIndex(1, fesa::Dof::UX))], 0.0, 1.0e-15);
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}
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FESA_TEST(gaussian_solver_solves_and_diagnoses_singular_systems) {
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fesa::DenseMatrix a(2, 2);
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a(0, 0) = 2.0;
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a(0, 1) = 1.0;
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a(1, 0) = 1.0;
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a(1, 1) = 3.0;
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fesa::GaussianEliminationSolver solver;
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auto solved = solver.solve(a, {1.0, 2.0});
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FESA_CHECK(solved.ok());
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FESA_CHECK_NEAR(solved.x[0], 0.2, 1.0e-12);
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FESA_CHECK_NEAR(solved.x[1], 0.6, 1.0e-12);
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fesa::DenseMatrix singular(2, 2);
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singular(0, 0) = 1.0;
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singular(0, 1) = 2.0;
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singular(1, 0) = 2.0;
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singular(1, 1) = 4.0;
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auto failed = solver.solve(singular, {1.0, 2.0});
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FESA_CHECK(!failed.ok());
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FESA_CHECK(fesa::containsDiagnostic(failed.diagnostics, "FESA-SINGULAR-SOLVER"));
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}
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FESA_TEST(results_writer_uses_step_frame_fields_for_u_and_rf) {
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auto domain = parsedPhase1Domain();
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fesa::DofManager dofs(domain);
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std::vector<fesa::Real> u(static_cast<std::size_t>(dofs.fullDofCount()), 0.0);
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std::vector<fesa::Real> rf(static_cast<std::size_t>(dofs.fullDofCount()), 0.0);
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u[static_cast<std::size_t>(dofs.fullIndex(2, fesa::Dof::UZ))] = -0.1;
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rf[static_cast<std::size_t>(dofs.fullIndex(1, fesa::Dof::UZ))] = 1.0;
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fesa::InMemoryResultsWriter writer;
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writer.writeLinearStatic(domain, dofs, u, rf);
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const auto& result = writer.result();
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FESA_CHECK(result.schema_name == "FESA_RESULTS");
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FESA_CHECK(result.steps.size() == 1);
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FESA_CHECK(result.steps[0].frames[0].field_outputs.count("U") == 1);
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FESA_CHECK(result.steps[0].frames[0].field_outputs.count("RF") == 1);
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FESA_CHECK(result.steps[0].frames[0].field_outputs.at("U").component_labels[2] == "UZ");
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FESA_CHECK(result.steps[0].frames[0].field_outputs.at("RF").component_labels[2] == "RFZ");
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}
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FESA_TEST(displacement_csv_loader_accepts_quad01_format) {
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auto table = fesa::loadDisplacementCsv(sourceRoot() + "/references/quad_01_displacements.csv");
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FESA_CHECK(!fesa::hasError(table.diagnostics));
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FESA_CHECK(table.rows.size() == 121);
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FESA_CHECK(table.rows.count(1) == 1);
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}
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FESA_TEST(displacement_comparator_matches_by_node_id_not_row_order) {
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fesa::FieldOutput actual;
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actual.name = "U";
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actual.entity_ids = {2, 1};
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actual.component_labels = fesa::displacementComponentLabels();
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actual.values = {{{2, 0, 0, 0, 0, 0}}, {{1, 0, 0, 0, 0, 0}}};
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fesa::CsvDisplacementTable expected;
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expected.rows[1] = {1, {1, 0, 0, 0, 0, 0}};
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expected.rows[2] = {2, {2, 0, 0, 0, 0, 0}};
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auto compared = fesa::compareDisplacements(actual, expected, {1.0e-12, 1.0e-12, 1.0});
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FESA_CHECK(compared.pass);
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}
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FESA_TEST(mitc4_shape_functions_and_stiffness_baseline) {
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auto shape = fesa::shapeFunctions(0.25, -0.5);
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const fesa::Real sum = shape.n[0] + shape.n[1] + shape.n[2] + shape.n[3];
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FESA_CHECK_NEAR(sum, 1.0, 1.0e-15);
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const std::array<fesa::Vec3, 4> coords = {{{0, 0, 0}, {1, 0, 0}, {1, 1, 0}, {0, 1, 0}}};
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fesa::MITC4ElementKernel kernel;
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auto k = kernel.stiffness(coords, 1000.0, 0.3, 0.1);
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FESA_CHECK(k.rows() == 24);
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FESA_CHECK(k.cols() == 24);
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for (fesa::LocalIndex i = 0; i < 24; ++i) {
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for (fesa::LocalIndex j = 0; j < 24; ++j) {
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FESA_CHECK_NEAR(k(i, j), k(j, i), 1.0e-8);
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}
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}
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std::vector<fesa::Real> uniform_translation(24, 0.0);
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for (int node = 0; node < 4; ++node) {
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uniform_translation[static_cast<std::size_t>(6 * node + 0)] = 1.0;
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}
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auto internal = k.multiply(uniform_translation);
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fesa::Real norm = 0.0;
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for (auto value : internal) {
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norm += std::fabs(value);
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}
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FESA_CHECK(norm < 1.0e-8);
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}
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FESA_TEST(linear_static_analysis_solves_u_and_recovers_full_vector_rf) {
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auto domain = parsedPhase1Domain();
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fesa::LinearStaticAnalysis analysis;
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auto result = analysis.run(domain);
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FESA_CHECK(result.ok());
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FESA_CHECK(result.state.converged);
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FESA_CHECK(result.result_file.steps.size() == 1);
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const auto& frame = result.result_file.steps[0].frames[0];
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FESA_CHECK(frame.field_outputs.count("U") == 1);
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FESA_CHECK(frame.field_outputs.count("RF") == 1);
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fesa::Real total_rf_z = 0.0;
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fesa::DofManager dofs(domain);
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for (auto node_id : dofs.nodeIds()) {
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total_rf_z += result.state.reaction_full[static_cast<std::size_t>(dofs.fullIndex(node_id, fesa::Dof::UZ))];
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}
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FESA_CHECK_NEAR(total_rf_z, 2.0, 1.0e-8);
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}
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int main() {
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int failed = 0;
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for (const auto& test : registry()) {
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try {
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test.fn();
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std::cout << "[PASS] " << test.name << '\n';
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} catch (const std::exception& error) {
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++failed;
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std::cerr << "[FAIL] " << test.name << ": " << error.what() << '\n';
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}
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}
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if (failed != 0) {
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std::cerr << failed << " test(s) failed\n";
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return 1;
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}
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std::cout << registry().size() << " test(s) passed\n";
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return 0;
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}
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