Example #1
0
        // 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);
                }
            }
        }
Example #2
0
        public IList <int> GetCoordIdsFromCadId(FEWorld world, uint cadId, CadElementType cadElemType)
        {
            Mesher2D    mesh  = world.Mesh;
            IList <int> coIds = null;

            if (cadElemType == CadElementType.Vertex)
            {
                uint     meshId = mesh.GetIdFromCadId(cadId, cadElemType);
                uint     elemCnt;
                MeshType meshType;
                int      loc;
                uint     cadIdTmp;
                mesh.GetMeshInfo(meshId, out elemCnt, out meshType, out loc, out cadIdTmp);
                MeshType dummyMeshType;
                int[]    vertexs;
                mesh.GetConnectivity(meshId, out dummyMeshType, out vertexs);
                System.Diagnostics.Debug.Assert(meshType == dummyMeshType);

                coIds = vertexs.ToList();
            }
            else if (cadElemType == CadElementType.Edge)
            {
                coIds = new List <int>();
                IList <uint> feIds = LineFEArray.GetObjectIds();
                foreach (uint feId in feIds)
                {
                    LineFE lineFE = LineFEArray.GetObject(feId);
                    uint   cadIdTmp;
                    {
                        uint     meshId = lineFE.MeshId;
                        uint     elemCnt;
                        MeshType meshType;
                        int      loc;
                        mesh.GetMeshInfo(meshId, out elemCnt, out meshType, out loc, out cadIdTmp);
                        System.Diagnostics.Debug.Assert(meshType == MeshType.Bar);
                    }
                    if (cadIdTmp == cadId)
                    {
                        foreach (int coId in lineFE.NodeCoordIds)
                        {
                            if (coIds.IndexOf(coId) == -1)
                            {
                                coIds.Add(coId);
                            }
                        }
                    }
                }
            }
            else if (cadElemType == CadElementType.Loop)
            {
                coIds = new List <int>();
                IList <uint> feIds = TriangleFEArray.GetObjectIds();
                foreach (uint feId in feIds)
                {
                    TriangleFE triFE = TriangleFEArray.GetObject(feId);
                    uint       cadIdTmp;
                    {
                        uint     meshId = triFE.MeshId;
                        uint     elemCnt;
                        MeshType meshType;
                        int      loc;
                        mesh.GetMeshInfo(meshId, out elemCnt, out meshType, out loc, out cadIdTmp);
                        System.Diagnostics.Debug.Assert(meshType == MeshType.Tri);
                    }
                    if (cadIdTmp == cadId)
                    {
                        foreach (int coId in triFE.NodeCoordIds)
                        {
                            if (coIds.IndexOf(coId) == -1)
                            {
                                coIds.Add(coId);
                            }
                        }
                    }
                }
            }
            else
            {
                throw new InvalidOperationException();
            }

            return(coIds);
        }