baram2584/FESADev
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Integrate Refactor solver sources and dual MSVC CMake builds

Browse Source
This commit is contained in:
KOKO\Mimi
2026-10-18 02:10:51 +09:00
parent 7ee32e5837
commit 12d51480de
218 changed files with 17842 additions and 9689 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/fesa/model/shell_geometry.cpp
+27 -29
View File
@@ -7,9 +7,15 @@
#include "fesa/math/vector3.h"
#include "math/dense_blas_internal.h"
#include "math/vector3_operations.h"
namespace fesa {
namespace {
using math_internal::DerivativeSum;
using math_internal::WeightedSum;
constexpr std::array<double, 4> kXiSigns{-1.0, 1.0, 1.0, -1.0};
constexpr std::array<double, 4> kEtaSigns{-1.0, -1.0, 1.0, 1.0};
@@ -38,27 +44,6 @@ ShapeData ShapeDataAt(double xi, double eta) {
return data;
}
Vector3 WeightedSum(const std::array<double, 4>& weights,
const std::array<Vector3, 4>& values) {
Vector3 result{};
for (std::size_t node = 0U; node < values.size(); ++node) {
result = result + weights[node] * values[node];
}
return result;
}
/// @brief Forms a translation-invariant covariant tangent in node order.
Vector3 DerivativeSum(const std::array<double, 4>& derivatives,
const std::array<Vector3, 4>& coordinates) {
// Shape derivatives sum to zero, so translating by node 1 improves the
// numerical cancellation without changing the covariant tangent.
std::array<Vector3, 4> relative{};
for (std::size_t node = 0U; node < coordinates.size(); ++node) {
relative[node] = coordinates[node] - coordinates[0];
}
return WeightedSum(derivatives, relative);
}
Result<ShellGeometry> GeometryFailure(std::string code,
const SourceLocation& location,
std::string keyword, std::string identity,
@@ -405,14 +390,27 @@ Result<ShellGeometry> PreprocessShellGeometry(
element.source_id.source_label_text,
"Shell Jacobian is nonfinite or nonpositive at a required point.");
}
const Vector3 reciprocal_xi =
(1.0 / jacobian) * covariant_eta.Cross(covariant_zeta);
const Vector3 reciprocal_eta =
(1.0 / jacobian) * covariant_zeta.Cross(covariant_xi);
const Vector3 reciprocal_zeta =
(1.0 / jacobian) * covariant_xi.Cross(covariant_eta);
if (!reciprocal_xi.IsFinite() || !reciprocal_eta.IsFinite() ||
!reciprocal_zeta.IsFinite()) {
bool finite_actions = std::isfinite(1.0 / jacobian) &&
covariant_eta.Cross(covariant_zeta).IsFinite() &&
covariant_zeta.Cross(covariant_xi).IsFinite() &&
covariant_xi.Cross(covariant_eta).IsFinite();
if (finite_actions) {
Matrix coefficients{3U, 3U};
for (std::size_t i = 0; i < 3U; ++i) {
coefficients(i, 0) = covariant_xi[i];
coefficients(i, 1) = covariant_eta[i];
coefficients(i, 2) = covariant_zeta[i];
}
const auto factor = dense_blas_internal::DenseFactor::Lu(coefficients);
finite_actions = factor.HasValue();
Matrix rhs{3U, 1U};
for (std::size_t axis = 0; finite_actions && axis < 3U; ++axis) {
if (axis != 0U) rhs(axis - 1U, 0U) = 0.0;
rhs(axis, 0U) = 1.0;
finite_actions = factor.Value().Solve(rhs, true).HasValue();
}
}
if (!finite_actions) {
return GeometryFailure(
"invalid-shell-jacobian", element.location, "ELEMENT",
element.source_id.source_label_text,