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8fb2ffa50dc3b4f5c89f4f7a7600c3476501ddfa
wg_cpso/CaeModel/FileInOut/Input/UnvMesh/UnvFileReader.cs
shepherd 8cd16929a3 first commit
2026-03-25 18:20:24 +08:00

529 lines
23 KiB
C#
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using CaeMesh;
namespace FileInOut.Input
{
[Serializable]
public static class UnvFileReader
{
//
// http://www.sdrl.uc.edu/sdrl/referenceinfo/universalfileformats/file-format-storehouse/universal-dataset-number-2467
//
static string[] splitter = new string[] { " " };
// Methods
static public FeMesh Read(string fileName, ElementsToImport elementsToImport)
{
if (fileName != null && File.Exists(fileName))
{
string[] lines = CaeGlobals.Tools.ReadAllLines(fileName);
//
List<List<string>> dataSets = GetDataSets(lines);
//
int setID;
Dictionary<int, FeNode> nodes = null;
Dictionary<int, FeElement> elements = null;
Dictionary<int, FeNodeSet> nodeGroups = new Dictionary<int, FeNodeSet>();
Dictionary<int, FeElementSet> elementGroups = new Dictionary<int, FeElementSet>();
//
string line;
foreach (List<string> dataSet in dataSets)
{
line = dataSet[0];
setID = int.Parse(line.Split(splitter, StringSplitOptions.RemoveEmptyEntries)[0]);
if (setID == 164 || setID == 2420) // Data
{ }
else if (setID == 2411) // Nodes
{
nodes = GetNodes(dataSet.ToArray());
}
else if (setID == 2412) // Elements
{
elements = GetElements(dataSet.ToArray());
}
else if (setID == 2467 || setID == 2477) // Groups
{
GetGroups(dataSet.ToArray(), ref nodeGroups, ref elementGroups);
}
}
FeMesh mesh = new FeMesh(nodes, elements, MeshRepresentation.Mesh);
//
foreach (var entry in nodeGroups) mesh.AddNodeSet(entry.Value);
//
foreach (var entry in elementGroups)
{
mesh.AddElementSet(entry.Value);
mesh.AddNodeSetFromElementSet(entry.Value.Name);
}
//
if (elementsToImport != ElementsToImport.All)
{
if (!elementsToImport.HasFlag(ElementsToImport.Beam)) mesh.RemoveElementsByType<FeElement1D>();
if (!elementsToImport.HasFlag(ElementsToImport.Shell)) mesh.RemoveElementsByType<FeElement2D>();
if (!elementsToImport.HasFlag(ElementsToImport.Solid)) mesh.RemoveElementsByType<FeElement3D>();
}
//
mesh.ComputeVolumeArea();
//
return mesh;
}
//
return null;
}
static private List<List<string>> GetDataSets(string[] lines)
{
int count = 0;
List<string> dataSet = new List<string>();
List<List<string>> dataSets = new List<List<string>>();
for (int i = 0; i < lines.Length; i++)
{
if (lines[i] == " -1")
{
count++;
if (count == 2)
{
dataSets.Add(dataSet);
dataSet = new List<string>();
count = 0;
}
}
else
dataSet.Add(lines[i]);
}
return dataSets;
}
static private Dictionary<int, FeNode> GetNodes(string[] lines)
{
// Gmsh output
// 5.9503897502616780D+000 - 6.7545275265579088D+000 - 1.2674495655059456D+001
Dictionary<int, FeNode> nodes = new Dictionary<int, FeNode>();
int id;
FeNode node;
string[] record1;
string[] record2;
bool replaceDwithE = false;
// line 0 is the line with the SetID
if (lines.Length > 2) replaceDwithE = lines[2].Contains("D");
for (int i = 1; i < lines.Length; i += 2)
{
if (replaceDwithE) lines[i + 1] = lines[i + 1].Replace('D', 'E');
record1 = lines[i].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
record2 = lines[i + 1].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
id = int.Parse(record1[0]);
node = new FeNode();
node.Id = id;
node.X = double.Parse(record2[0]);
node.Y = double.Parse(record2[1]);
node.Z = double.Parse(record2[2]);
nodes.Add(id, node);
}
return nodes;
}
static private Dictionary<int, FeElement> GetElements(string[] lines)
{
Dictionary<int, FeElement> elements = new Dictionary<int, FeElement>();
int id;
UnvFeDescriptorId feDescriptorId;
FeElement element;
string[] record1;
string[] record2;
string[] record3 = null;
string[] record4 = null;
// line 0 is the line with the SetID
for (int i = 1; i < lines.Length; i += 2)
{
record1 = lines[i].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
record2 = lines[i + 1].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
id = int.Parse(record1[0]);
feDescriptorId = (UnvFeDescriptorId)int.Parse(record1[1]);
if (HasThreeRecords(feDescriptorId)) // beam, parabolic tetrahedron, parabolic wedge and parabolic hexahedron have 3 records
{
record3 = lines[i + 2].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
if (HasFourRecords(feDescriptorId)) // parabolic hexahedron
{
record4 = lines[i + 3].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
i++;
}
i++;
}
// Salome fix
if (feDescriptorId == UnvFeDescriptorId.TaperedBeam && record1[5] == "3") feDescriptorId = UnvFeDescriptorId.ParabolicBeam;
switch (feDescriptorId)
{
// LINEAR ELEMENTS
case UnvFeDescriptorId.Rod:
case UnvFeDescriptorId.LinearBeam:
case UnvFeDescriptorId.TaperedBeam:
case UnvFeDescriptorId.StraightPipe:
// linear beam element
element = GetLinearBeamElement(id, record1, record2, record3);
elements.Add(id, element);
break;
case UnvFeDescriptorId.PlaneStressLinearTriangle:
case UnvFeDescriptorId.PlaneStrainLinearTriangle:
case UnvFeDescriptorId.PlateLinearTriangle:
case UnvFeDescriptorId.MembraneLinearTriangle:
case UnvFeDescriptorId.AxisymetricSolidLinearTriangle:
case UnvFeDescriptorId.ThinShellLinearTriangle:
// linear triangle element
element = GetLinearTriangleElement(id, record1, record2);
elements.Add(id, element);
break;
case UnvFeDescriptorId.PlaneStressLinearQuadrilateral:
case UnvFeDescriptorId.PlaneStrainLinearQuadrilateral:
case UnvFeDescriptorId.PlateLinearQuadrilateral:
case UnvFeDescriptorId.MembraneLinearQuadrilateral:
case UnvFeDescriptorId.AxisymetricSolidLinearQuadrilateral:
case UnvFeDescriptorId.ThinShellLinearQuadrilateral:
// linear quadrilateral element
element = GetLinearQuadrilateralElement(id, record1, record2);
elements.Add(id, element);
break;
case UnvFeDescriptorId.SolidLinearTetrahedron:
// linear tetrahedron element
element = GetLinearTetraElement(id, record1, record2);
elements.Add(id, element);
break;
case UnvFeDescriptorId.SolidLinearWedge:
// linear wedge element
element = GetLinearWedgeElement(id, record1, record2);
elements.Add(id, element);
break;
case UnvFeDescriptorId.SolidLinearBrick:
// linear hexahedron element
element = GetLinearHexaElement(id, record1, record2);
elements.Add(id, element);
break;
// PARABOLIC ELEMENTS
case UnvFeDescriptorId.CurvedBeam:
case UnvFeDescriptorId.ParabolicBeam:
case UnvFeDescriptorId.CurvedPipe:
// parabolic beam element
element = GetParabolicBeamElement(id, record1, record2, record3);
elements.Add(id, element);
break;
case UnvFeDescriptorId.PlaneStressParabolicTriangle:
case UnvFeDescriptorId.PlaneStrainParabolicTriangle:
case UnvFeDescriptorId.PlateParabolicTriangle:
case UnvFeDescriptorId.MembraneParabolicTriangle:
case UnvFeDescriptorId.AxisymetricSolidParabolicTriangle:
case UnvFeDescriptorId.ThinShellParabolicTriangle:
// parabolic triangle element
element = GetParabolicTriangleElement(id, record1, record2);
elements.Add(id, element);
break;
case UnvFeDescriptorId.PlaneStressParabolicQuadrilateral:
case UnvFeDescriptorId.PlaneStrainParabolicQuadrilateral:
case UnvFeDescriptorId.PlateParabolicQuadrilateral:
case UnvFeDescriptorId.MembraneParabolicQuadrilateral:
case UnvFeDescriptorId.AxisymetricSolidParabolicQuadrilateral:
case UnvFeDescriptorId.ThinShellParabolicQuadrilateral:
// parabolic quadrilateral element
element = GetParabolicQuadrilateralElement(id, record1, record2);
elements.Add(id, element);
break;
case UnvFeDescriptorId.SolidParabolicTetrahedron:
// parabolic tetrahedron element
element = GetParabolicTetraElement(id, record1, record2, record3);
elements.Add(id, element);
break;
case UnvFeDescriptorId.SolidParabolicWedge:
// parabolic wedge element
element = GetParabolicWedgeElement(id, record1, record2, record3);
elements.Add(id, element);
break;
case UnvFeDescriptorId.SolidParabolicBrick:
// parabolic hexahedron element
element = GetParabolicHexaElement(id, record1, record2, record3, record4);
elements.Add(id, element);
break;
default:
throw new Exception("The element type " + feDescriptorId.ToString() + " is not supported.");
}
}
return elements;
}
static private void GetGroups(string[] lines, ref Dictionary<int, FeNodeSet> nodeGroups,
ref Dictionary<int, FeElementSet> elementGroups)
{
//
// http://www2.me.rochester.edu/courses/ME204/nx_help/index.html#uid:id973882
//
int id;
int n;
string name;
string[] record1;
string[] record2;
string[] recordN;
bool isNodeGroup = true;
List<int> labels;
int row;
// Line 0 is the line with the SetID
for (int i = 1; i < lines.Length; i++)
{
record1 = lines[i].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
//record2 = lines[i + 1].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
record2 = new string[] { lines[i + 1].Replace(' ', '_') }; // group name fix
//
id = int.Parse(record1[0]);
n = int.Parse(record1[7]); // number of elements in record
name = record2[0];
//
labels = new List<int>();
i += 2;
row = 0;
while (labels.Count < n)
{
recordN = lines[i + row].Split(splitter, StringSplitOptions.RemoveEmptyEntries);
if (row == 0)
{
if (int.Parse(recordN[0]) == 7) isNodeGroup = true;
else isNodeGroup = false;
}
//
labels.Add(int.Parse(recordN[1]));
if (recordN.Length > 4) labels.Add(int.Parse(recordN[5]));
//
row++;
}
//
if (isNodeGroup) nodeGroups.Add(id, new FeNodeSet(name, labels.ToArray(), null));
else elementGroups.Add(id, new FeElementSet(name, labels.ToArray()));
//
i += row - 1;
}
}
private static bool HasThreeRecords(UnvFeDescriptorId feDescriptorId)
{
switch (feDescriptorId)
{
case UnvFeDescriptorId.Rod: // edge with 2 nodes
case UnvFeDescriptorId.LinearBeam:
case UnvFeDescriptorId.TaperedBeam: // edge with 3 nodes
case UnvFeDescriptorId.CurvedBeam: // curved beam
case UnvFeDescriptorId.ParabolicBeam:
case UnvFeDescriptorId.StraightPipe:
case UnvFeDescriptorId.CurvedPipe:
case UnvFeDescriptorId.SolidParabolicTetrahedron:
case UnvFeDescriptorId.SolidParabolicWedge:
case UnvFeDescriptorId.SolidParabolicBrick:
return true;
}
return false;
}
private static bool HasFourRecords(UnvFeDescriptorId feDescriptorId)
{
if (feDescriptorId == UnvFeDescriptorId.SolidParabolicBrick) return true;
else return false;
}
// LINEAR ELEMENTS
static private LinearBeamElement GetLinearBeamElement(int id, string[] record1, string[] record2, string[] record3)
{
int n = int.Parse(record1[5]);
int[] nodes = new int[n];
for (int i = 0; i < n; i++)
{
nodes[i] = int.Parse(record3[i]);
}
return new LinearBeamElement(id, nodes);
}
static private LinearTriangleElement GetLinearTriangleElement(int id, string[] record1, string[] record2)
{
int n = int.Parse(record1[5]);
int[] nodes = new int[n];
for (int i = 0; i < n; i++)
{
nodes[i] = int.Parse(record2[i]);
}
return new LinearTriangleElement(id, nodes);
}
static private LinearQuadrilateralElement GetLinearQuadrilateralElement(int id, string[] record1, string[] record2)
{
int n = int.Parse(record1[5]);
int[] nodes = new int[n];
for (int i = 0; i < n; i++)
{
nodes[i] = int.Parse(record2[i]);
}
return new LinearQuadrilateralElement(id, nodes);
}
static private LinearTetraElement GetLinearTetraElement(int id, string[] record1, string[] record2)
{
int n = int.Parse(record1[5]);
int[] nodes = new int[n];
for (int i = 0; i < n; i++)
{
nodes[i] = int.Parse(record2[i]);
}
return new LinearTetraElement(id, nodes);
}
static private LinearWedgeElement GetLinearWedgeElement(int id, string[] record1, string[] record2)
{
int n = int.Parse(record1[5]);
int[] nodes = new int[n];
for (int i = 0; i < n; i++)
{
nodes[i] = int.Parse(record2[i]);
}
return new LinearWedgeElement(id, nodes);
}
static private LinearHexaElement GetLinearHexaElement(int id, string[] record1, string[] record2)
{
int n = int.Parse(record1[5]);
int[] nodes = new int[n];
for (int i = 0; i < n; i++)
{
nodes[i] = int.Parse(record2[i]);
}
return new LinearHexaElement(id, nodes);
}
// PARABOLIC ELEMENTS
static private ParabolicBeamElement GetParabolicBeamElement(int id, string[] record1, string[] record2, string[] record3)
{
int n = int.Parse(record1[5]);
if (n != 3) throw new ArgumentOutOfRangeException();
int[] nodes = new int[n];
nodes[0] = int.Parse(record3[0]);
nodes[1] = int.Parse(record3[2]);
nodes[2] = int.Parse(record3[1]);
return new ParabolicBeamElement(id, nodes);
}
static private ParabolicTriangleElement GetParabolicTriangleElement(int id, string[] record1, string[] record2)
{
int n = int.Parse(record1[5]);
if (n != 6) throw new ArgumentOutOfRangeException();
int[] nodes = new int[n];
nodes[0] = int.Parse(record2[0]);
nodes[1] = int.Parse(record2[2]);
nodes[2] = int.Parse(record2[4]);
nodes[3] = int.Parse(record2[1]);
nodes[4] = int.Parse(record2[3]);
nodes[5] = int.Parse(record2[5]);
return new ParabolicTriangleElement(id, nodes);
}
static private ParabolicQuadrilateralElement GetParabolicQuadrilateralElement(int id, string[] record1, string[] record2)
{
int n = int.Parse(record1[5]);
if (n != 8) throw new ArgumentOutOfRangeException();
int[] nodes = new int[n];
nodes[0] = int.Parse(record2[0]);
nodes[1] = int.Parse(record2[2]);
nodes[2] = int.Parse(record2[4]);
nodes[3] = int.Parse(record2[6]);
nodes[4] = int.Parse(record2[1]);
nodes[5] = int.Parse(record2[3]);
nodes[6] = int.Parse(record2[5]);
nodes[7] = int.Parse(record2[7]);
return new ParabolicQuadrilateralElement(id, nodes);
}
static private ParabolicTetraElement GetParabolicTetraElement(int id, string[] record1, string[] record2, string[] record3)
{
int n = int.Parse(record1[5]);
if (n != 10) throw new ArgumentOutOfRangeException();
int[] nodes = new int[n];
nodes[0] = int.Parse(record2[0]);
nodes[1] = int.Parse(record2[2]);
nodes[2] = int.Parse(record2[4]);
nodes[3] = int.Parse(record3[1]); // 9
nodes[4] = int.Parse(record2[1]);
nodes[5] = int.Parse(record2[3]);
nodes[6] = int.Parse(record2[5]);
nodes[7] = int.Parse(record2[6]);
nodes[8] = int.Parse(record2[7]);
nodes[9] = int.Parse(record3[0]); // 8
return new ParabolicTetraElement(id, nodes);
}
static private ParabolicWedgeElement GetParabolicWedgeElement(int id, string[] record1, string[] record2, string[] record3)
{
int n = int.Parse(record1[5]);
if (n != 15) throw new ArgumentOutOfRangeException();
int[] nodes = new int[n];
nodes[0] = int.Parse(record2[0]);
nodes[1] = int.Parse(record2[2]);
nodes[2] = int.Parse(record2[4]);
nodes[3] = int.Parse(record3[1]); // 9
nodes[4] = int.Parse(record3[3]); // 11
nodes[5] = int.Parse(record3[5]); // 13
nodes[6] = int.Parse(record2[1]);
nodes[7] = int.Parse(record2[3]);
nodes[8] = int.Parse(record2[5]);
nodes[9] = int.Parse(record3[2]); // 10
nodes[10] = int.Parse(record3[4]); // 12
nodes[11] = int.Parse(record3[6]); // 14
nodes[12] = int.Parse(record2[6]);
nodes[13] = int.Parse(record2[7]);
nodes[14] = int.Parse(record3[0]); // 8
return new ParabolicWedgeElement(id, nodes);
}
static private ParabolicHexaElement GetParabolicHexaElement(int id, string[] record1, string[] record2, string[] record3, string[] record4)
{
int n = int.Parse(record1[5]);
if (n != 20) throw new ArgumentOutOfRangeException();
int[] nodes = new int[n];
nodes[0] = int.Parse(record2[0]);
nodes[1] = int.Parse(record2[2]);
nodes[2] = int.Parse(record2[4]);
nodes[3] = int.Parse(record2[6]);
nodes[4] = int.Parse(record3[4]); // 12
nodes[5] = int.Parse(record3[6]); // 14
nodes[6] = int.Parse(record4[0]); // 16
nodes[7] = int.Parse(record4[2]); // 18
nodes[8] = int.Parse(record2[1]);
nodes[9] = int.Parse(record2[3]);
nodes[10] = int.Parse(record2[5]);
nodes[11] = int.Parse(record2[7]);
nodes[12] = int.Parse(record3[5]); // 13
nodes[13] = int.Parse(record3[7]); // 15
nodes[14] = int.Parse(record4[1]); // 17
nodes[15] = int.Parse(record4[3]); // 19
nodes[16] = int.Parse(record3[0]); // 8
nodes[17] = int.Parse(record3[1]); // 9
nodes[18] = int.Parse(record3[2]); // 10
nodes[19] = int.Parse(record3[3]); // 11
return new ParabolicHexaElement(id, nodes);
}
}
}
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