// This is a user-supplied routine that sets the the boundary conditions
//
void SetBndValues_Unst(const mesh& Mesh, dTensor3* q, dTensor3* aux)
{
int meqn = q->getsize(2);
int kmax = q->getsize(3);
int maux = aux->getsize(2);
int NumElems = Mesh.get_NumElems();
int NumPhysElems = Mesh.get_NumPhysElems();
int NumGhostElems = Mesh.get_NumGhostElems();
int NumNodes = Mesh.get_NumNodes();
int NumPhysNodes = Mesh.get_NumPhysNodes();
int NumEdges = Mesh.get_NumEdges();
// ----------------------------------------
// Loop over each ghost cell element and
// place the correct information into
// these elements
// ----------------------------------------
for (int i=1; i<=NumGhostElems; i++)
{
int j = Mesh.get_ghost_link(i);
for (int m=1; m<=meqn; m++)
for (int k=1; k<=kmax; k++)
{
q->set(i+NumPhysElems,m,k, 0.0 );
}
}
}
// This is a user-supplied routine that sets the the boundary conditions
//
// The default routine for the 4D Vlasov code is to apply zero boundary
// conditions in configuration space. This routine is identical to the one
// found in the unst branch of the 2D DoGPack code, and *should* be setting
// periodic boundary conditions.
//
void SetBndValues_Unst(const mesh& Mesh, dTensor3* q, dTensor3* aux)
{
// problem information (If this were to be pulled from DogParams, these
// numbers would NOT be correct! The reason is that each quadrature point
// was actually saved as a separate "equation")
const int meqn = q->getsize(2);
const int kmax = q->getsize(3);
const int maux = aux->getsize(2);
// Mesh information
const int NumElems = Mesh.get_NumElems();
const int NumPhysElems = Mesh.get_NumPhysElems();
const int NumGhostElems = Mesh.get_NumGhostElems();
const int NumNodes = Mesh.get_NumNodes();
const int NumPhysNodes = Mesh.get_NumPhysNodes();
const int NumEdges = Mesh.get_NumEdges();
// ----------------------------------------
// Loop over each ghost cell element and
// place the correct information into
// these elements
// ----------------------------------------
for (int i=1; i<=NumGhostElems; i++)
{
int j = Mesh.get_ghost_link(i);
for (int m=1; m<=meqn; m++)
for (int k=1; k<=kmax; k++)
{
q->set(i+NumPhysElems, m, k, q->get(j, m, k) );
}
}
}
//
// Output basic mesh information to screen
//
void ScreenOutput(const mesh& Mesh)
{
// Compute mesh quality parameters
double totalarea = Mesh.get_area_prim(1);
double maxarea = Mesh.get_area_prim(1);
double minarea = Mesh.get_area_prim(1);
for (int i=2; i<=Mesh.get_NumPhysElems(); i++)
{
double tmp = Mesh.get_area_prim(i);
totalarea = totalarea + tmp;
if (tmp < minarea)
{ minarea = tmp; }
if (tmp > maxarea)
{ maxarea = tmp; }
}
double minAngle = 180.0;
for (int i=1; i<=Mesh.get_NumPhysElems(); i++)
{
const int i1 = Mesh.get_tnode(i,1);
const int i2 = Mesh.get_tnode(i,2);
const int i3 = Mesh.get_tnode(i,3);
point v12, v23, v31;
v12.x = Mesh.get_node(i2,1) - Mesh.get_node(i1,1);
v12.y = Mesh.get_node(i2,2) - Mesh.get_node(i1,2);
v23.x = Mesh.get_node(i3,1) - Mesh.get_node(i2,1);
v23.y = Mesh.get_node(i3,2) - Mesh.get_node(i2,2);
v31.x = Mesh.get_node(i1,1) - Mesh.get_node(i3,1);
v31.y = Mesh.get_node(i1,2) - Mesh.get_node(i3,2);
double angle1 = acos((v12.x*-v31.x+v12.y*-v31.y)
/(sqrt(v12.x*v12.x+v12.y*v12.y)*sqrt(v31.x*v31.x+v31.y*v31.y)));
double angle2 = acos((v23.x*-v12.x+v23.y*-v12.y)
/(sqrt(v23.x*v23.x+v23.y*v23.y)*sqrt(v12.x*v12.x+v12.y*v12.y)));
double angle3 = acos((v31.x*-v23.x+v31.y*-v23.y)
/(sqrt(v31.x*v31.x+v31.y*v31.y)*sqrt(v23.x*v23.x+v23.y*v23.y)));
if ((angle1*180/pi) < minAngle)
{ minAngle = angle1*180/pi; }
if ((angle2*180/pi) < minAngle)
{ minAngle = angle2*180/pi; }
if ((angle3*180/pi) < minAngle)
{ minAngle = angle3*180/pi; }
}
// Output summary of results to screen
printf("\n");
printf(" SUMMARY OF RESULTS:\n");
printf(" -------------------\n");
printf(" Number of Elements: %8i\n",Mesh.get_NumElems());
printf(" Number of Physical Elements: %8i\n",Mesh.get_NumPhysElems());
printf(" Number of Ghost Elements: %8i\n",Mesh.get_NumGhostElems());
printf(" Number of Nodes: %8i\n",Mesh.get_NumNodes());
printf(" Number of Physical Nodes: %8i\n",Mesh.get_NumPhysNodes());
printf(" Number of Boundary Nodes: %8i\n",Mesh.get_NumBndNodes());
printf(" Number of Edges: %8i\n",Mesh.get_NumEdges());
printf(" Number of Boundary Edges: %8i\n",Mesh.get_NumBndEdges());
printf("\n");
printf(" Total Area Covered: %24.16e\n",totalarea);
printf(" Area Ratio: small/large: %24.16e\n",minarea/maxarea);
printf(" Angle Ratio: minAngle/60: %24.16e\n",minAngle/60.0);
printf("\n");
}