private void SetTri(FEWorld world)
{
System.Diagnostics.Debug.Assert(Type == ElementType.Tri);
if (Type != ElementType.Tri)
{
return;
}
var mesh = world.Mesh;
int elemPtCount = 3;
MeshType meshType;
int[] vertexs;
mesh.GetConnectivity(MeshId, out meshType, out vertexs);
System.Diagnostics.Debug.Assert(elemPtCount * ElemCount == vertexs.Length);
uint dim = Dimension;
System.Diagnostics.Debug.Assert(dim == 2);
Coords = new double[ElemCount * dim];
for (int iTri = 0; iTri < ElemCount; iTri++)
{
double[] bubbleCoord = new double[dim];
for (int iPt = 0; iPt < elemPtCount; iPt++)
{
int coId = vertexs[iTri * elemPtCount + iPt];
double[] coord = world.GetVertexCoord(coId);
for (int iDimTmp = 0; iDimTmp < dim; iDimTmp++)
{
bubbleCoord[iDimTmp] += coord[iDimTmp];
}
}
for (int iDim = 0; iDim < dim; iDim++)
{
bubbleCoord[iDim] /= elemPtCount;
Coords[iTri * dim + iDim] = bubbleCoord[iDim];
}
}
}
// 座標、三角形要素と線要素を生成する
private void MakeCoordsAndElements(
FEWorld world,
IList <double> vertexCoords,
Dictionary <uint, uint> cadLoop2Material,
Dictionary <uint, uint> cadEdge2Material)
{
Mesher2D mesh = world.Mesh;
System.Diagnostics.Debug.Assert(mesh != null);
if (FEOrder == 1)
{
Coords = new List <double>(vertexCoords);
}
else if (FEOrder == 2)
{
Coords = new List <double>(vertexCoords);
}
else
{
System.Diagnostics.Debug.Assert(false);
}
IList <uint> meshIds = mesh.GetIds();
//////////////////////////////////////////////////
// 領域の三角形要素
// まず要素を作る
// この順番で生成した要素は隣接していない
Dictionary <string, IList <int> > edge2MidPt = new Dictionary <string, IList <int> >();
foreach (uint meshId in meshIds)
{
uint elemCnt;
MeshType meshType;
int loc;
uint cadId;
mesh.GetMeshInfo(meshId, out elemCnt, out meshType, out loc, out cadId);
if (meshType != MeshType.Tri)
{
continue;
}
if (!cadLoop2Material.ContainsKey(cadId))
{
throw new IndexOutOfRangeException();
}
uint maId = cadLoop2Material[cadId];
int elemVertexCnt = 3;
int elemNodeCnt = 0;
if (FEOrder == 1)
{
elemNodeCnt = 3;
}
else if (FEOrder == 2)
{
elemNodeCnt = 6;
}
else
{
System.Diagnostics.Debug.Assert(false);
}
MeshType dummyMeshType;
int[] vertexs;
mesh.GetConnectivity(meshId, out dummyMeshType, out vertexs);
System.Diagnostics.Debug.Assert(meshType == dummyMeshType);
System.Diagnostics.Debug.Assert(elemVertexCnt * elemCnt == vertexs.Length);
for (int iElem = 0; iElem < elemCnt; iElem++)
{
int[] vertexCoIds = new int[elemVertexCnt];
for (int iPt = 0; iPt < elemVertexCnt; iPt++)
{
int coId = vertexs[iElem * elemVertexCnt + iPt];
vertexCoIds[iPt] = coId;
}
int[] nodeCoIds = new int[elemNodeCnt];
if (FEOrder == 1)
{
System.Diagnostics.Debug.Assert(nodeCoIds.Length == vertexCoIds.Length);
vertexCoIds.CopyTo(nodeCoIds, 0);
}
else if (FEOrder == 2)
{
for (int i = 0; i < elemVertexCnt; i++)
{
nodeCoIds[i] = vertexCoIds[i];
{
int v1 = vertexCoIds[i];
int v2 = vertexCoIds[(i + 1) % elemVertexCnt];
if (v1 > v2)
{
int tmp = v1;
v1 = v2;
v2 = tmp;
}
string edgeKey = v1 + "_" + v2;
int midPtCoId = -1;
if (edge2MidPt.ContainsKey(edgeKey))
{
midPtCoId = edge2MidPt[edgeKey][0];
}
else
{
double[] vPt1 = world.GetVertexCoord(v1);
double[] vPt2 = world.GetVertexCoord(v2);
double[] midPt = { (vPt1[0] + vPt2[0]) / 2.0, (vPt1[1] + vPt2[1]) / 2.0 };
midPtCoId = (int)(Coords.Count / Dimension);
Coords.Add(midPt[0]);
Coords.Add(midPt[1]);
var list = new List <int>();
list.Add(midPtCoId);
edge2MidPt[edgeKey] = list;
}
nodeCoIds[i + elemVertexCnt] = midPtCoId;
}
}
}
else
{
System.Diagnostics.Debug.Assert(false);
}
TriangleFE fe = new TriangleFE((int)FEOrder);
fe.World = world;
fe.SetVertexCoordIds(vertexCoIds);
fe.SetNodeCoordIds(nodeCoIds);
fe.MaterialId = maId;
fe.MeshId = meshId;
fe.MeshElemId = iElem;
// 仮登録
uint freeId = TriangleFEArray.GetFreeObjectId();
uint feId = TriangleFEArray.AddObject(freeId, fe);
System.Diagnostics.Debug.Assert(feId == freeId);
}
}
//////////////////////////////////////////////////
// 境界の線要素
foreach (uint meshId in meshIds)
{
uint elemCnt;
MeshType meshType;
int loc;
uint cadId;
mesh.GetMeshInfo(meshId, out elemCnt, out meshType, out loc, out cadId);
if (meshType != MeshType.Bar)
{
continue;
}
int elemVertexCnt = 2;
int elemNodeCnt = 0;
if (FEOrder == 1)
{
elemNodeCnt = 2;
}
else if (FEOrder == 2)
{
elemNodeCnt = 3;
}
else
{
System.Diagnostics.Debug.Assert(false);
}
MeshType dummyMeshType;
int[] vertexs;
mesh.GetConnectivity(meshId, out dummyMeshType, out vertexs);
System.Diagnostics.Debug.Assert(meshType == dummyMeshType);
System.Diagnostics.Debug.Assert(elemVertexCnt * elemCnt == vertexs.Length);
//System.Diagnostics.Debug.Assert(CadEdge2Material.ContainsKey(cadId));
//if (!CadEdge2Material.ContainsKey(cadId))
//{
// throw new IndexOutOfRangeException();
//}
// 未指定のマテリアルも許容する
uint maId = cadEdge2Material.ContainsKey(cadId) ? cadEdge2Material[cadId] : 0;
for (int iElem = 0; iElem < elemCnt; iElem++)
{
int[] vertexCoIds = new int[elemVertexCnt];
for (int iPt = 0; iPt < elemVertexCnt; iPt++)
{
int coId = vertexs[iElem * elemVertexCnt + iPt];
vertexCoIds[iPt] = coId;
}
int[] nodeCoIds = new int[elemNodeCnt];
if (FEOrder == 1)
{
System.Diagnostics.Debug.Assert(nodeCoIds.Length == vertexCoIds.Length);
vertexCoIds.CopyTo(nodeCoIds, 0);
}
else if (FEOrder == 2)
{
for (int i = 0; i < 2; i++)
{
nodeCoIds[i] = vertexCoIds[i];
}
// 線要素上の中点
int v1 = vertexCoIds[0];
int v2 = vertexCoIds[1];
if (v1 > v2)
{
int tmp = v1;
v1 = v2;
v2 = tmp;
}
string edgeKey = v1 + "_" + v2;
if (!edge2MidPt.ContainsKey(edgeKey))
{
System.Diagnostics.Debug.Assert(false);
}
int midPtCoId = edge2MidPt[edgeKey][0];
nodeCoIds[2] = midPtCoId;
}
else
{
System.Diagnostics.Debug.Assert(false);
}
LineFE fe = new LineFE((int)FEOrder);
fe.World = world;
fe.SetVertexCoordIds(vertexCoIds);
fe.SetNodeCoordIds(nodeCoIds);
fe.MaterialId = maId;
fe.MeshId = meshId;
fe.MeshElemId = iElem;
uint freeId = LineFEArray.GetFreeObjectId();
uint feId = LineFEArray.AddObject(freeId, fe);
System.Diagnostics.Debug.Assert(feId == freeId);
string key = string.Format(meshId + "_" + iElem);
Mesh2LineFE.Add(key, feId);
}
}
}