From 0e4044f81104b9fb74b21363b328f36b9cb5621b Mon Sep 17 00:00:00 2001
From: Oliver Sander <sander@igpm.rwth-aachen.de>
Date: Wed, 19 Jan 2011 17:27:51 +0000
Subject: [PATCH] move the 'nonlinear' continuum Dirichlet-to-Neumann map into
a separate method
[[Imported from SVN: r6798]]
---
.../rodcontinuumsteklovpoincarestep.hh | 107 ++++++++++++------
1 file changed, 71 insertions(+), 36 deletions(-)
diff --git a/dune/gfe/coupling/rodcontinuumsteklovpoincarestep.hh b/dune/gfe/coupling/rodcontinuumsteklovpoincarestep.hh
index 14dd9305..ef20eb17 100644
--- a/dune/gfe/coupling/rodcontinuumsteklovpoincarestep.hh
+++ b/dune/gfe/coupling/rodcontinuumsteklovpoincarestep.hh
@@ -312,7 +312,7 @@ private:
RigidBodyMotion<3>::TangentVector rodDirichletToNeumannMap(const RigidBodyMotion<3>& lambda) const;
- //RigidBodyMotion<3>::TangentVector continuumDirichletToNeumannMap() const;
+ RigidBodyMotion<3>::TangentVector continuumDirichletToNeumannMap(const RigidBodyMotion<3>& lambda) const;
//////////////////////////////////////////////////////////////////
// Data members related to the coupled problem
@@ -358,7 +358,7 @@ private:
typename ContinuumFEBasis::LocalFiniteElement>* localAssembler_;
public:
- std::map<std::string, ContinuumConfigurationType> continuumSubdomainSolutions_;
+ mutable std::map<std::string, ContinuumConfigurationType> continuumSubdomainSolutions_;
private:
};
@@ -405,37 +405,15 @@ rodDirichletToNeumannMap(const RigidBodyMotion<3>& lambda) const
return result;
}
-/** \brief One preconditioned Richardson step
-*/
+
template <class RodGridType, class ContinuumGridType>
-void RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::iterate(RigidBodyMotion<3>& lambda)
+RigidBodyMotion<3>::TangentVector RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::
+continuumDirichletToNeumannMap(const RigidBodyMotion<3>& lambda) const
{
- ///////////////////////////////////////////////////////////////////
- // Evaluate the Dirichlet-to-Neumann map for the rod
- ///////////////////////////////////////////////////////////////////
-
- RigidBodyMotion<3>::TangentVector rodForceTorque = rodDirichletToNeumannMap(lambda);
-
- // Flip orientation
- rodForceTorque *= -1;
-
- Dune::FieldVector<double,dim> rodForce, rodTorque;
- for (int i=0; i<dim; i++) {
- rodForce[i] = rodForceTorque[i];
- rodTorque[i] = rodForceTorque[i+dim];
- }
+ std::pair<std::string,std::string> couplingName = std::make_pair("rod", "continuum");
- std::cout << "resultant force: " << rodForce << ", "
- << "resultant torque: " << rodTorque << std::endl;
-
- ///////////////////////////////////////////////////////////////////
- // Evaluate the Dirichlet-to-Neumann map for the continuum
- ///////////////////////////////////////////////////////////////////
-
- std::pair<std::string,std::string> interfaceName = std::make_pair("rod", "continuum");
-
- VectorType& x3d = continuumSubdomainSolutions_["continuum"];
- x3d.resize(complex_.continuumGrids_["continuum"]->size(dim));
+ VectorType& x3d = continuumSubdomainSolutions_.find("continuum")->second;
+ x3d.resize(complex_.continuumGrids_.find("continuum")->second->size(dim));
x3d = 0;
// Turn \lambda \in TSE(3) into a Dirichlet value for the continuum
@@ -445,7 +423,7 @@ void RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::iterate(Rig
relativeMovement.q.invert();
relativeMovement.q = lambda.q.mult(relativeMovement.q);
- setRotation(complex_.couplings_[interfaceName].continuumInterfaceBoundary_, x3d, relativeMovement);
+ setRotation(complex_.couplings_.find(couplingName)->second.continuumInterfaceBoundary_, x3d, relativeMovement);
// Right hand side vector: currently without Neumann and volume terms
VectorType rhs3d(x3d.size());
@@ -470,9 +448,58 @@ void RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::iterate(Rig
stiffnessMatrix3d_->mmv(x3d,residual);
/** \todo Is referenceInterface.r the correct center of rotation? */
- computeTotalForceAndTorque(complex_.couplings_[interfaceName].continuumInterfaceBoundary_, residual, referenceInterface_.r,
+ computeTotalForceAndTorque(complex_.couplings_.find(couplingName)->second.continuumInterfaceBoundary_, residual, referenceInterface_.r,
continuumForce, continuumTorque);
+
+ RigidBodyMotion<3>::TangentVector result;
+ result[0] = continuumForce[0];
+ result[1] = continuumForce[1];
+ result[2] = continuumForce[2];
+ result[3] = continuumTorque[0];
+ result[4] = continuumTorque[1];
+ result[5] = continuumTorque[2];
+
+ return result;
+}
+
+/** \brief One preconditioned Richardson step
+*/
+template <class RodGridType, class ContinuumGridType>
+void RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::iterate(RigidBodyMotion<3>& lambda)
+{
+ ///////////////////////////////////////////////////////////////////
+ // Evaluate the Dirichlet-to-Neumann map for the rod
+ ///////////////////////////////////////////////////////////////////
+
+ RigidBodyMotion<3>::TangentVector rodForceTorque = rodDirichletToNeumannMap(lambda);
+
+ // Flip orientation
+ rodForceTorque *= -1;
+
+ Dune::FieldVector<double,dim> rodForce, rodTorque;
+ for (int i=0; i<dim; i++) {
+ rodForce[i] = rodForceTorque[i];
+ rodTorque[i] = rodForceTorque[i+dim];
+ }
+
+ std::cout << "resultant rod force: " << rodForce << ", "
+ << "resultant rod torque: " << rodTorque << std::endl;
+ ///////////////////////////////////////////////////////////////////
+ // Evaluate the Dirichlet-to-Neumann map for the continuum
+ ///////////////////////////////////////////////////////////////////
+
+ RigidBodyMotion<3>::TangentVector continuumForceTorque = continuumDirichletToNeumannMap(lambda);
+
+ Dune::FieldVector<double,dim> continuumForce, continuumTorque;
+ for (int i=0; i<dim; i++) {
+ continuumForce[i] = continuumForceTorque[i];
+ continuumTorque[i] = continuumForceTorque[i+dim];
+ }
+
+ std::cout << "resultant continuum force: " << continuumForce << ", "
+ << "resultant continuum torque: " << continuumTorque << std::endl;
+
///////////////////////////////////////////////////////////////
// Compute the overall Steklov-Poincare residual
///////////////////////////////////////////////////////////////
@@ -496,14 +523,18 @@ void RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::iterate(Rig
// of the continuum.
////////////////////////////////////////////////////////////////////
+ // Right hand side vector: currently without Neumann and volume terms
+ VectorType rhs3d(complex_.continuumGrids_["continuum"]->size(dim));
+ rhs3d = 0;
+
LinearizedContinuumNeumannToDirichletMap<typename ContinuumGridType::LeafGridView,MatrixType,VectorType>
- linContNtDMap(complex_.couplings_[interfaceName].continuumInterfaceBoundary_,
+ linContNtDMap(complex_.couplings_[couplingName].continuumInterfaceBoundary_,
rhs3d,
*dirichletValues_,
localAssembler_,
solver_);
- interfaceCorrection = linContNtDMap.apply(x3d, residualForce, residualTorque, lambda.r);
+ interfaceCorrection = linContNtDMap.apply(continuumSubdomainSolutions_["continuum"], residualForce, residualTorque, lambda.r);
} else if (preconditioner_=="NeumannDirichlet") {
@@ -526,8 +557,12 @@ void RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::iterate(Rig
// Neumann-to-Dirichlet map of the rod.
////////////////////////////////////////////////////////////////////
+ // Right hand side vector: currently without Neumann and volume terms
+ VectorType rhs3d(complex_.continuumGrids_["continuum"]->size(dim));
+ rhs3d = 0;
+
LinearizedContinuumNeumannToDirichletMap<typename ContinuumGridType::LeafGridView,MatrixType,VectorType>
- linContNtDMap(complex_.couplings_[interfaceName].continuumInterfaceBoundary_,
+ linContNtDMap(complex_.couplings_[couplingName].continuumInterfaceBoundary_,
rhs3d,
*dirichletValues_,
localAssembler_,
@@ -536,7 +571,7 @@ void RodContinuumSteklovPoincareStep<RodGridType,ContinuumGridType>::iterate(Rig
LinearizedRodNeumannToDirichletMap<typename RodGridType::LeafGridView,RodCorrectionType> linRodNtDMap(complex_.couplings_[couplingName].rodInterfaceBoundary_,
rodLocalStiffness_);
- Dune::FieldVector<double,6> continuumCorrection = linContNtDMap.apply(x3d, residualForce, residualTorque, lambda.r);
+ Dune::FieldVector<double,6> continuumCorrection = linContNtDMap.apply(continuumSubdomainSolutions_["continuum"], residualForce, residualTorque, lambda.r);
Dune::FieldVector<double,6> rodCorrection = linRodNtDMap.apply(rodSubdomainSolutions_["rod"],
residualForce, residualTorque, lambda.r);
--
GitLab