public void ReorderRemainderDofs(FetiDPDofSeparator dofSeparator, ISubdomain subdomain)
{
if (reordering == null)
{
return; // Use the natural ordering and do not modify any stored dof data
}
try
{
int s = subdomain.ID;
int[] remainderDofs = dofSeparator.RemainderDofIndices[s];
var pattern = linearSystem.Matrix.GetSubmatrixSymmetricPattern(remainderDofs);
(int[] permutation, bool oldToNew) = reordering.FindPermutation(pattern);
int[] newRemainderDofs = ReorderingUtilities.ReorderKeysOfDofIndicesMap(remainderDofs, permutation, oldToNew);
// What if the dof separator gets added other state that needs to be updated?
dofSeparator.RemainderDofIndices[s] = newRemainderDofs;
dofSeparator.RemainderDofOrderings[s].Reorder(permutation, oldToNew);
}
catch (MatrixDataOverwrittenException)
{
throw new InvalidOperationException(
"The free-free stiffness matrix of this subdomain has been overwritten and cannot be used anymore."
+ "Try calling this method before factorizing/inverting it.");
}
}
public void ReorderCornerDofs(FetiDPDofSeparator dofSeparator)
{
if (reordering == null)
{
return; // Use the natural ordering and do not modify any stored dof data
}
var pattern = SparsityPatternSymmetric.CreateEmpty(dofSeparator.NumGlobalCornerDofs);
for (int s = 0; s < subdomains.Count; ++s)
{
// Treat each subdomain as a superelement with only its corner nodes.
var localCornerDofOrdering = dofSeparator.SubdomainCornerDofOrderings[s];
int numLocalCornerDofs = localCornerDofOrdering.EntryCount;
var subdomainToGlobalDofs = new int[numLocalCornerDofs];
foreach ((INode node, IDofType dofType, int localIdx) in localCornerDofOrdering)
{
int globalIdx = dofSeparator.GlobalCornerDofOrdering[node, dofType];
subdomainToGlobalDofs[localIdx] = globalIdx;
}
pattern.ConnectIndices(subdomainToGlobalDofs, false);
}
(int[] permutation, bool oldToNew) = reordering.FindPermutation(pattern);
dofSeparator.GlobalCornerDofOrdering.Reorder(permutation, oldToNew);
dofSeparator.GlobalCornerToFreeDofMap =
ReorderingUtilities.ReorderKeysOfDofIndicesMap(dofSeparator.GlobalCornerToFreeDofMap, permutation, oldToNew);
}
public void ReorderInternalDofs(FetiDPDofSeparator dofSeparator, ISubdomain subdomain)
{
if (reordering == null)
{
return; // Use the natural ordering and do not modify any stored dof data
}
try
{
int[] internalDofs = dofSeparator.InternalDofIndices[subdomain.ID];
var pattern = Krr.GetSubmatrixSymmetricPattern(internalDofs);
(int[] permutation, bool oldToNew) = reordering.FindPermutation(pattern);
int[] newInternalDofs = ReorderingUtilities.ReorderKeysOfDofIndicesMap(internalDofs, permutation, oldToNew);
// What if the dof separator gets added other state that needs to be updated?
dofSeparator.InternalDofIndices[subdomain.ID] = newInternalDofs;
}
catch (MatrixDataOverwrittenException)
{
throw new InvalidOperationException(
"The remainder-remainder stiffness submatrix of this subdomain has been already been calculated and"
+ " then overwritten and cannot be used anymore. Try calling this method before"
+ " factorizing/inverting it.");
}
}
