void LineSurfaceTension :: giveCharacteristicMatrix(FloatMatrix &answer, CharType mtrx, TimeStep *tStep)
{
if ( mtrx == StiffnessMatrix ) {
this->computeTangent(answer, tStep);
} else {
OOFEM_ERROR2("giveCharacteristicMatrix: Unknown CharType (%s)",__CharTypeToString(mtrx));
}
}
void LineSurfaceTension :: giveCharacteristicVector(FloatArray &answer, CharType mtrx, ValueModeType mode, TimeStep *tStep)
{
if( mtrx == ExternalForcesVector ) {
this->computeLoadVector(answer, mode, tStep);
} else if ( mtrx == InternalForcesVector ){
answer.resize(0);
} else {
OOFEM_ERROR2("giveCharacteristicVector: Unknown CharType (%s).",__CharTypeToString(mtrx));
}
}
void
StructuralInterfaceElement :: giveCharacteristicMatrix(FloatMatrix &answer, CharType mtrx, TimeStep *tStep)
{
// returns characteristics matrix of receiver according to mtrx
if ( mtrx == StiffnessMatrix ) {
this->computeStiffnessMatrix(answer, TangentStiffness, tStep);
} else if ( mtrx == TangentStiffnessMatrix ) {
this->computeStiffnessMatrix(answer, TangentStiffness, tStep);
} else if ( mtrx == SecantStiffnessMatrix ) {
this->computeStiffnessMatrix(answer, SecantStiffness, tStep);
} else if ( mtrx == ElasticStiffnessMatrix ) {
this->computeStiffnessMatrix(answer, ElasticStiffness, tStep);
} else {
OOFEM_ERROR("Unknown Type of characteristic mtrx (%s)", __CharTypeToString(mtrx) );
}
}
