[GeoMechanicsApplication] A 3D elastic constitutive law is lacking in GeoMechanicsApplication #12816
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // KRATOS___ | ||
| // // ) ) | ||
| // // ___ ___ | ||
| // // ____ //___) ) // ) ) | ||
| // // / / // // / / | ||
| // ((____/ / ((____ ((___/ / MECHANICS | ||
| // | ||
| // License: geo_mechanics_application/license.txt | ||
| // | ||
| // Main authors: Richard Faasse | ||
| // Gennady Markelov | ||
| // | ||
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| #include "three_dimensional.h" | ||
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| #include "geo_mechanics_application_constants.h" | ||
| #include "includes/constitutive_law.h" | ||
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| namespace Kratos | ||
| { | ||
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| Matrix ThreeDimensional::FillConstitutiveMatrix(double c1, double c2, double c3) const | ||
| { | ||
| Matrix result = ZeroMatrix(GetStrainSize(), GetStrainSize()); | ||
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| result(INDEX_3D_XX, INDEX_3D_XX) = c1; | ||
| result(INDEX_3D_XX, INDEX_3D_YY) = c2; | ||
| result(INDEX_3D_XX, INDEX_3D_ZZ) = c2; | ||
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| result(INDEX_3D_YY, INDEX_3D_XX) = c2; | ||
| result(INDEX_3D_YY, INDEX_3D_YY) = c1; | ||
| result(INDEX_3D_YY, INDEX_3D_ZZ) = c2; | ||
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| result(INDEX_3D_ZZ, INDEX_3D_XX) = c2; | ||
| result(INDEX_3D_ZZ, INDEX_3D_YY) = c2; | ||
| result(INDEX_3D_ZZ, INDEX_3D_ZZ) = c1; | ||
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| result(INDEX_3D_XY, INDEX_3D_XY) = c3; | ||
| result(INDEX_3D_YZ, INDEX_3D_YZ) = c3; | ||
| result(INDEX_3D_XZ, INDEX_3D_XZ) = c3; | ||
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| return result; | ||
| } | ||
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| std::unique_ptr<ConstitutiveLawDimension> ThreeDimensional::Clone() const | ||
| { | ||
| return std::make_unique<ThreeDimensional>(); | ||
| } | ||
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| std::size_t ThreeDimensional::GetStrainSize() const { return VOIGT_SIZE_3D; } | ||
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| std::size_t ThreeDimensional::GetDimension() const { return N_DIM_3D; } | ||
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| Flags ThreeDimensional::GetSpatialType() const { return ConstitutiveLaw::THREE_DIMENSIONAL_LAW; } | ||
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| } // namespace Kratos |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // KRATOS___ | ||
| // // ) ) | ||
| // // ___ ___ | ||
| // // ____ //___) ) // ) ) | ||
| // // / / // // / / | ||
| // ((____/ / ((____ ((___/ / MECHANICS | ||
| // | ||
| // License: geo_mechanics_application/license.txt | ||
| // | ||
| // Main authors: Richard Faasse | ||
| // Gennady Markelov | ||
| // | ||
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| #pragma once | ||
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| #include "constitutive_law_dimension.h" | ||
| #include "includes/kratos_export_api.h" | ||
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| namespace Kratos | ||
| { | ||
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| class KRATOS_API(GEO_MECHANICS_APPLICATION) ThreeDimensional : public ConstitutiveLawDimension | ||
| { | ||
| public: | ||
| [[nodiscard]] Matrix FillConstitutiveMatrix(double c1, double c2, double c3) const override; | ||
| [[nodiscard]] std::unique_ptr<ConstitutiveLawDimension> Clone() const override; | ||
| [[nodiscard]] std::size_t GetStrainSize() const override; | ||
| [[nodiscard]] std::size_t GetDimension() const override; | ||
| [[nodiscard]] Flags GetSpatialType() const override; | ||
| }; | ||
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| } // namespace Kratos |
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Perhaps we should find out what Stenberg shear stabilization is and whether it is applicable for elasticity. We are moving this around, but we are not really using it.
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Looked at Stenberg stabilization. Only seems applicable for thick shell formulation used in Structural Mechanics Applications. I consider it to be part of another PR to limit its use to meaningful use in GeoMechanics.