ForkMaster/netgen
1
0
Fork 0
mirror of https://github.com/NGSolve/netgen.git synced 2024-12-24 04:50:34 +05:00
Code Issues Packages Projects Releases Wiki Activity

curved elements access functions

Browse Source 
2d meshing cleaning (a bit)
This commit is contained in:
Joachim Schoeberl 2010-07-20 20:04:16 +00:00
parent 75a6623419
commit 84b4817a3d
6 changed files with 110 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
libsrc/meshing/curvedelems.cpp
View File

@ -2743,11 +2743,61 @@ namespace netgen
;
}
template <int DIM_SPACE>
void CurvedElements ::
CalcMultiPointSegmentTransformation (SegmentIndex elnr, int n,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi)
{
for (int ip = 0; ip < n; ip++)
{
Point<3> xg;
Vec<3> dx;
// mesh->GetCurvedElements().
CalcSegmentTransformation (xi[ip*sxi], elnr, xg, dx);
if (x)
for (int i = 0; i < DIM_SPACE; i++)
x[ip*sx+i] = xg(i);
if (dxdxi)
for (int i=0; i<DIM_SPACE; i++)
dxdxi[ip*sdxdxi+i] = dx(i);
}
}
template void CurvedElements ::
CalcMultiPointSegmentTransformation<2> (SegmentIndex elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi);
template void CurvedElements ::
CalcMultiPointSegmentTransformation<3> (SegmentIndex elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi);
void CurvedElements ::
CalcMultiPointSurfaceTransformation (Array< Point<2> > * xi, SurfaceElementIndex elnr,
Array< Point<3> > * x,
Array< Mat<3,2> > * dxdxi)
{
double * px = (x) ? &(*x)[0](0) : NULL;
double * pdxdxi = (dxdxi) ? &(*dxdxi)[0](0) : NULL;
CalcMultiPointSurfaceTransformation <3> (elnr, xi->Size(),
&(*xi)[0](0), 2,
px, 3,
pdxdxi, 6);
return;
#ifdef OLD
if (mesh.coarsemesh)
{
const HPRefElement & hpref_el =
@ -2876,6 +2926,7 @@ namespace netgen
(*dxdxi)[ip] = ds;
}
}
#endif
}
@ -2918,8 +2969,7 @@ namespace netgen
&coarse_xi[0](0), &coarse_xi[1](0)-&coarse_xi[0](0),
x, sx, dxdxi, sdxdxi);
Mat<2,2> trans;
Mat<3,2> dxdxic;
// Mat<3,2> dxdxic;
if (dxdxi)
{
MatrixFixWidth<2> dlami(4);
@ -2930,6 +2980,7 @@ namespace netgen
Point<2> hxi(xi[pi*sxi], xi[pi*sxi+1]);
mesh[elnr].GetDShapeNew ( hxi, dlami);
Mat<2,2> trans;
trans = 0;
for (int k = 0; k < 2; k++)
for (int l = 0; l < 2; l++)
@ -3052,12 +3103,22 @@ namespace netgen
void CurvedElements ::
CalcMultiPointElementTransformation (Array< Point<3> > * xi, ElementIndex elnr,
Array< Point<3> > * x,
Array< Mat<3,3> > * dxdxi)
{
double * px = (x) ? &(*x)[0](0) : NULL;
double * pdxdxi = (dxdxi) ? &(*dxdxi)[0](0) : NULL;
CalcMultiPointElementTransformation (elnr, xi->Size(),
&(*xi)[0](0), 3,
px, 3,
pdxdxi, 9);
return;
#ifdef OLD
if (mesh.coarsemesh)
{
const HPRefElement & hpref_el =
@ -3193,11 +3254,11 @@ namespace netgen
(*dxdxi)[ip] = ds;
}
}
#endif
}
void CurvedElements ::
CalcMultiPointElementTransformation (ElementIndex elnr, int n,
const double * xi, size_t sxi,

10
libsrc/meshing/curvedelems.hpp
View File

@ -119,17 +119,23 @@ public:
Array<Point<3> > * x,
Array<Vec<3> > * dxdxi);
template <int DIM_SPACE>
void CalcMultiPointSegmentTransformation (SegmentIndex elnr, int n,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi);
void CalcMultiPointSurfaceTransformation (Array< Point<2> > * xi, SurfaceElementIndex elnr,
Array< Point<3> > * x,
Array< Mat<3,2> > * dxdxi);
template <int DIM_SPACE>
void CalcMultiPointSurfaceTransformation (SurfaceElementIndex elnr, int n,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi);
void CalcMultiPointElementTransformation (Array< Point<3> > * xi, ElementIndex elnr,
Array< Point<3> > * x,
Array< Mat<3,3> > * dxdxi);

45
libsrc/meshing/netrule2.cpp
View File

@ -13,24 +13,14 @@ netrule :: netrule ()
netrule :: ~netrule()
{
// if(name != NULL)
delete [] name;
for(int i=0; i<oldutofreearea_i.Size(); i++)
for(int i = 0; i < oldutofreearea_i.Size(); i++)
delete oldutofreearea_i[i];
for(int i = 0; i < freezone_i.Size(); i++)
delete freezone_i[i];
}
/*
void netrule :: GetFreeArea (Array<Point2d> & afreearea)
{
int i;
afreearea.SetSize (freearea.Size());
for (i = 1; i <= freearea.Size(); i++)
afreearea[i] = freearea[i];
}
*/
void netrule :: SetFreeZoneTransformation (const Vector & devp, int tolclass)
{
@ -41,37 +31,46 @@ void netrule :: SetFreeZoneTransformation (const Vector & devp, int tolclass)
int vs = oldutofreearea.Height();
FlatVector devfree(vs, mem1);
FlatVector devfree1(vs, mem2);
FlatVector devfree2(vs, mem3);
int fzs = freezone.Size();
transfreezone.SetSize (fzs);
if (tolclass <= oldutofreearea_i.Size())
{
oldutofreearea_i[tolclass-1] -> Mult (devp, devfree);
Array<Point2d> & fzi = *freezone_i[tolclass-1];
for (int i = 0; i < fzs; i++)
{
transfreezone[i].X() = fzi[i].X() + devfree[2*i];
transfreezone[i].Y() = fzi[i].Y() + devfree[2*i+1];
}
}
else
{
FlatVector devfree1(vs, mem2);
FlatVector devfree2(vs, mem3);
oldutofreearea.Mult (devp, devfree1);
oldutofreearealimit.Mult (devp, devfree2);
devfree.Set2 (lam1, devfree1, lam2, devfree2);
for (int i = 0; i < fzs; i++)
{
transfreezone[i].X() = lam1 * freezone[i].X() + lam2 * freezonelimit[i].X() + devfree[2*i];
transfreezone[i].Y() = lam1 * freezone[i].Y() + lam2 * freezonelimit[i].Y() + devfree[2*i+1];
}
}
int fzs = freezone.Size();
transfreezone.SetSize (fzs);
if (fzs > 0)
{
transfreezone[0].X() = lam1 * freezone[0].X() + lam2 * freezonelimit[0].X() + devfree[0];
transfreezone[0].Y() = lam1 * freezone[0].Y() + lam2 * freezonelimit[0].Y() + devfree[1];
fzmaxx = fzminx = transfreezone[0].X();
fzmaxy = fzminy = transfreezone[0].Y();
}
for (int i = 1; i < fzs; i++)
{
transfreezone[i].X() = lam1 * freezone[i].X() + lam2 * freezonelimit[i].X() + devfree[2*i];
transfreezone[i].Y() = lam1 * freezone[i].Y() + lam2 * freezonelimit[i].Y() + devfree[2*i+1];
if (transfreezone[i].X() > fzmaxx) fzmaxx = transfreezone[i].X();
if (transfreezone[i].X() < fzminx) fzminx = transfreezone[i].X();
if (transfreezone[i].Y() > fzmaxy) fzmaxy = transfreezone[i].Y();

20
libsrc/meshing/parser2.cpp
View File

@ -407,8 +407,6 @@ void netrule :: LoadRule (istream & ist)
}
while (!ist.eof() && strcmp (buf, "endrule") != 0);
//(*testout) << "loadr1" << endl;
oldutonewu.SetSize (2 * (points.Size() - noldp), 2 * noldp);
oldutofreearea.SetSize (2 * freezone.Size(), 2 * noldp);
oldutofreearealimit.SetSize (2 * freezone.Size(), 2 * noldp);
@ -428,8 +426,6 @@ void netrule :: LoadRule (istream & ist)
freesetinequ.SetSize (freezone.Size());
//(*testout) << "loadr2" << endl;
{
char ok;
int minn;
@ -441,7 +437,6 @@ void netrule :: LoadRule (istream & ist)
for (j = 1; j <= 2; j++)
pnearness.Elem(GetPointNr (1, j)) = 0;
//(*testout) << "loadr3" << endl;
do
{
ok = 1;
@ -461,7 +456,6 @@ void netrule :: LoadRule (istream & ist)
}
}
while (!ok);
//(*testout) << "loadr4" << endl;
lnearness.SetSize (noldl);
@ -472,19 +466,25 @@ void netrule :: LoadRule (istream & ist)
lnearness.Elem(i) += pnearness.Get(GetPointNr (i, j));
}
}
//(*testout) << "loadr5" << endl;
oldutofreearea_i.SetSize (10);
freezone_i.SetSize (10);
for (i = 0; i < oldutofreearea_i.Size(); i++)
{
double lam1 = 1.0/(i+1);
oldutofreearea_i[i] = new DenseMatrix (oldutofreearea.Height(), oldutofreearea.Width());
DenseMatrix & mati = *oldutofreearea_i[i];
for (j = 0; j < oldutofreearea.Height(); j++)
for (int k = 0; k < oldutofreearea.Width(); k++)
mati(j,k) = 1.0 / (i+1) * oldutofreearea(j,k) + (1 - 1.0/(i+1)) * oldutofreearealimit(j,k);
}
mati(j,k) = lam1 * oldutofreearea(j,k) + (1 - lam1) * oldutofreearealimit(j,k);
//(*testout) << "loadr6" << endl;
freezone_i[i] = new Array<Point2d> (freezone.Size());
Array<Point2d> & fzi = *freezone_i[i];
for (int j = 0; j < freezone.Size(); j++)
fzi[j] = freezonelimit[j] + lam1 * (freezone[j] - freezonelimit[j]);
}
}

2
libsrc/meshing/ruler2.hpp
View File

@ -29,6 +29,8 @@ private:
///
Array<Point2d> freezone, freezonelimit;
///
Array<Array<Point2d>*> freezone_i;
///
Array<Point2d> transfreezone;
///

3
ng/nginterface_v2.cpp
View File

@ -216,6 +216,8 @@ namespace netgen
double * x, size_t sx,
double * dxdxi, size_t sdxdxi)
{
mesh->GetCurvedElements().CalcMultiPointSegmentTransformation<2> (elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
/*
for (int ip = 0; ip < npts; ip++)
{
Point<3> xg;
@ -231,6 +233,7 @@ namespace netgen
for (int i=0; i<2; i++)
dxdxi[ip*sdxdxi+i] = dx(i);
}
*/
}
template <>