FGaussSeidelCorotatedTriangleConstraints

Triangle constraint using fixed corotated constitutive model [Stomakhin et al., 2012] 3D triangles are projected to the 2D space for deformation gradient (3*2 matrix) computation

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Triangle constraint using fixed corotated constitutive model [Stomakhin et al., 2012] 3D triangles are projected to the 2D space for deformation gradient (3*2 matrix) computation

   
Name FGaussSeidelCorotatedTriangleConstraints
Type class
Header File /Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h
Include Path #include "Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h"

Syntax

class FGaussSeidelCorotatedTriangleConstraints

Constructors

Name Remarks Include Path Unreal Specifiers

FGaussSeidelCorotatedTriangleConstraints ( const FSolverParticles& InParticles,
const TArray< TVector< int32, 3 > >& InMesh,
const TArray< FSolverReal >& EMeshArray,
const FSolverReal& NuMesh
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

FGaussSeidelCorotatedTriangleConstraints ( const FSolverParticlesRange& InParticles,
const TArray< TVector< int32, 3 > >& InMesh,
const TArray< FSolverReal >& EMeshArray,
const FSolverReal& NuMesh
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

FGaussSeidelCorotatedTriangleConstraints ( const FSolverParticles& InParticles,
const TArray< TVector< int32, 3 > >& InMesh,
const bool bRecordMetricIn,
const FSolverReal& EMesh,
const FSolverReal& NuMesh
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

FGaussSeidelCorotatedTriangleConstraints ( const FSolverParticlesRange& InParticles,
const TArray< TVector< int32, 3 > >& InMesh,
const bool bRecordMetricIn,
const FSolverReal& EMesh,
const FSolverReal& NuMesh
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~FGaussSeidelCorotatedTriangleConstraints()

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void AddHyperelasticResidualAndHessian ( const FSolverParticlesRange& Particles,
const int32 ElementIndex,
const int32 ElementIndexLocal,
const FSolverReal Dt,
TVec3< FSolverReal >& ParticleResidual,
Chaos::PMatrix< FSolverReal, 3, 3 >& ParticleHessian
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

TArray< TArray< int32 > > GetConstraintsArray()

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

Public Virtual

Protected

Name Remarks Include Path Unreal Specifiers

void ComputeNodalMass ( const FSolverReal InDensity,
const int32 NumParticles,
TArray< FSolverReal >& NodalMass
) const

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

PMatrix< FSolverReal, 3, 2 > Ds ( const int32 ElemIdx,
const FSolverParticlesRange& InParticles
) const

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

PMatrix< FSolverReal, 3, 2 > F ( const int32 ElemIdx,
const FSolverParticlesRange& InParticles
) const

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

void InitializeCodimensionData ( const FSolverParticlesRange& Particles
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

Static

Name Remarks Include Path Unreal Specifiers

static PMatrix< FSolverReal, 2, 2 > ComputeFTF ( const PMatrix< FSolverReal, 3, 2 >& InputMatrix
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

static PMatrix< FSolverReal, 3, 2 > ComputeR ( const PMatrix< FSolverReal, 3, 2 >& Fe
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

static PMatrix< FSolverReal, 3, 2 > ComputeRSimple ( const PMatrix< FSolverReal, 3, 2 >& InputMatrix
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

static void dJdF32 ( const PMatrix< FSolverReal, 3, 2 >& F,
PMatrix< FSolverReal, 3, 2 >& dJ
)

 Computes det(FTF)^{1/2} * F * (FTF)^-1. Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

static Chaos::PMatrix< FSolverReal, 3, 2 > GramSchmidt ( const Chaos::PMatrix< FSolverReal, 3, 2 >& InputMatrix
)

 Does Gram Schmidt on a 3*2 matrix and returns an orthogonal one. Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

static void Jacobi ( const PMatrix< FSolverReal, 2, 2 >& B,
PMatrix< FSolverReal, 2, 2 >& D,
PMatrix< FSolverReal, 2, 2 >& V
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

static FSolverReal SafeRecip ( const FSolverReal Len,
const FSolverReal Fallback
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

static void SymSchur2D ( const FSolverReal Aqq,
const FSolverReal App,
const FSolverReal Apq,
FSolverReal& C,
FSolverReal& S
)

   Chaos/Deformable/GaussSeidelCorotatedCodimensionalConstraints.h  

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