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ASMs2D::getElementCoordinates: support a separate geometry basis

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This commit is contained in:
Arne Morten Kvarving 2023-08-31 09:39:25 +02:00
parent 34841db38c
commit 5a9f3be584
2 changed files with 54 additions and 3 deletions
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51
src/ASM/ASMs2D.C
View File

@ -1359,15 +1359,24 @@ bool ASMs2D::getElementCoordinates (Matrix& X, int iel) const
if (iel < 1 || (size_t)iel > MNPC.size())
{
std::cerr <<" *** ASMs2D::getElementCoordinates: Element index "<< iel
<<" out of range [1,"<< MNPC.size() <<"]."<< std::endl;
<<" out of range [1,"<< MNPC.size() <<"]."<< std::endl;
return false;
}
#endif
X.resize(nsd,surf->order_u()*surf->order_v());
const Go::SplineSurface* geo = this->getBasis(ASM::GEOMETRY_BASIS);
int lnod0 = this->getFirstItgElmNode();
RealArray::const_iterator cit = surf->coefs_begin();
if (geo != surf) {
const IJ& nIdx = nodeInd[MNPC[iel-1][lnod0]];
double u = surf->basis_u().getKnots()[nIdx.I + surf->order_u() - 1];
double v = surf->basis_v().getKnots()[nIdx.J + surf->order_v() - 1];
return this->getElementCoordinatesPrm(X,u,v);
}
X.resize(nsd,geo->order_u()*geo->order_v());
RealArray::const_iterator cit = geo->coefs_begin();
for (size_t n = 0; n < X.cols(); n++)
{
int ip = this->coeffInd(MNPC[iel-1][n + lnod0])*surf->dimension();
@ -1384,6 +1393,42 @@ bool ASMs2D::getElementCoordinates (Matrix& X, int iel) const
}
bool ASMs2D::getElementCoordinatesPrm (Matrix& X, double u, double v) const
{
const Go::SplineSurface* geo = this->getBasis(ASM::GEOMETRY_BASIS);
X.resize(nsd,geo->order_u()*geo->order_v());
if (u < geo->startparam_u() ||
u > geo->endparam_u() ||
v < geo->startparam_v() ||
v > geo->endparam_v())
return false;
int ni, nj;
#pragma omp critical
{
ni = geo->basis_u().knotInterval(u) - geo->order_u() + 1;
nj = geo->basis_v().knotInterval(v) - geo->order_v() + 1;
}
RealArray::const_iterator cit = geo->coefs_begin();
for (size_t n = 0; n < X.cols(); n++)
{
const int iu = n % geo->order_u();
const int iv = n / geo->order_u();
const int ip = (ni + iu + (nj + iv)*geo->numCoefs_u())*geo->dimension();
for (size_t i = 0; i < nsd; i++)
X(i+1,n+1) = *(cit+(ip+i));
}
#if SP_DEBUG > 2
std::cout <<"\nCoordinates for element "<< iel << X << std::endl;
#endif
return true;
}
void ASMs2D::getNodalCoordinates (Matrix& X) const
{
const int n1 = surf->numCoefs_u();

6
src/ASM/ASMs2D.h
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@ -638,6 +638,12 @@ protected:
//! \param[in] dir Local index of the boundary edge
double getParametricLength(int iel, int dir) const;
//! \brief Returns a matrix with nodal coordinates for element containing given parameters.
//! \param[out] X 3\f$\times\f$n-matrix, where \a n is the number of nodes
//! \param[in] u First parameter of point
//! \param[in] v Second parameter of point
bool getElementCoordinatesPrm(Matrix& X, double u, double v) const;
//! \brief Computes the element border parameters.
//! \param[in] i1 Parameter index in u-direction
//! \param[in] i2 Parameter index in v-direction