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wg_cpso/CaeModel/Steps/Loads/STLoad.cs

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2026-03-25 18:20:24 +08:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CaeMesh;
using CaeGlobals;
using System.Runtime.Serialization;
using CaeResults;
using System.IO;
using System.Runtime.InteropServices;
namespace CaeModel
{
[Serializable]
public class STLoad : Load, IDistribution, IPreviewable, ISerializable
{
// Variables
private string _surfaceName; //ISerializable
private RegionTypeEnum _regionType; //ISerializable
private EquationContainer _f1; //ISerializable
private EquationContainer _f2; //ISerializable
private EquationContainer _f3; //ISerializable
private EquationContainer _fMagnitude; //ISerializable
private EquationContainer _p1; //ISerializable
private EquationContainer _p2; //ISerializable
private EquationContainer _p3; //ISerializable
private EquationContainer _pMagnitude; //ISerializable
private string _distributionName; //ISerializable
// Properties
public override string RegionName { get { return _surfaceName; } set { _surfaceName = value; } }
public override RegionTypeEnum RegionType { get { return _regionType; } set { _regionType = value; } }
public string SurfaceName { get { return _surfaceName; } set { _surfaceName = value; } }
public EquationContainer F1 { get { UpdateEquations(); return _f1; } set { SetF1(value); } }
public EquationContainer F2 { get { UpdateEquations(); return _f2; } set { SetF2(value); } }
public EquationContainer F3 { get { UpdateEquations(); return _f3; } set { SetF3(value); } }
public EquationContainer FMagnitude { get { UpdateEquations(); return _fMagnitude; } set { SetFMagnitude(value); } }
public EquationContainer P1 { get { UpdateEquations(); return _p1; } set { SetP1(value); } }
public EquationContainer P2 { get { UpdateEquations(); return _p2; } set { SetP2(value); } }
public EquationContainer P3 { get { UpdateEquations(); return _p3; } set { SetP3(value); } }
public EquationContainer PMagnitude { get { UpdateEquations(); return _pMagnitude; } set { SetPMagnitude(value); } }
public string DistributionName { get { return _distributionName; } set { _distributionName = value; } }
// Constructors
public STLoad(string name, string surfaceName, RegionTypeEnum regionType, double f1, double f2, double f3, bool twoD,
bool complex, double phaseDeg)
: base(name, twoD, complex, phaseDeg)
{
_surfaceName = surfaceName;
_regionType = regionType;
//
double mag = Math.Sqrt(f1 * f1 + f2 * f2 + f3 * f3);
F1 = new EquationContainer(typeof(StringForceConverter), f1);
F2 = new EquationContainer(typeof(StringForceConverter), f2);
F3 = new EquationContainer(typeof(StringForceConverter), f3);
FMagnitude = new EquationContainer(typeof(StringForceConverter), mag);
//
P1 = new EquationContainer(typeof(StringPressureConverter), 0);
P2 = new EquationContainer(typeof(StringPressureConverter), 0);
P3 = new EquationContainer(typeof(StringPressureConverter), 0);
PMagnitude = new EquationContainer(typeof(StringPressureConverter), 0);
//
_distributionName = Distribution.DefaultDistributionName;
}
public STLoad(SerializationInfo info, StreamingContext context)
: base(info, context)
{
foreach (SerializationEntry entry in info)
{
switch (entry.Name)
{
case "_surfaceName":
_surfaceName = (string)entry.Value; break;
case "_regionType":
_regionType = (RegionTypeEnum)entry.Value; break;
case "_f1":
// Compatibility for version v1.4.0
if (entry.Value is double valueF1)
F1 = new EquationContainer(typeof(StringForceConverter), valueF1);
else
SetF1((EquationContainer)entry.Value, false);
break;
case "_f2":
// Compatibility for version v1.4.0
if (entry.Value is double valueF2)
F2 = new EquationContainer(typeof(StringForceConverter), valueF2);
else
SetF2((EquationContainer)entry.Value, false);
break;
case "_f3":
// Compatibility for version v1.4.0
if (entry.Value is double valueF3)
F3 = new EquationContainer(typeof(StringForceConverter), valueF3);
else
SetF3((EquationContainer)entry.Value, false);
break;
case "_fMagnitude":
case "_magnitude": // Compatibility for version v2.2.4
SetFMagnitude((EquationContainer)entry.Value, false); break;
case "_p1":
SetP1((EquationContainer)entry.Value, false);
break;
case "_p2":
SetP2((EquationContainer)entry.Value, false);
break;
case "_p3":
SetP3((EquationContainer)entry.Value, false);
break;
case "_pMagnitude":
SetPMagnitude((EquationContainer)entry.Value, false); break;
case "_distributionName":
_distributionName = (string)entry.Value; break;
default:
break;
}
}
// Compatibility for version v1.4.0
if (_fMagnitude == null)
{
double mag = Math.Sqrt(_f1.Value * _f1.Value + _f2.Value * _f2.Value + _f3.Value * _f3.Value);
FMagnitude = new EquationContainer(typeof(StringForceConverter), mag);
}
// Compatibility for version v2.2.4
if (_distributionName == null) _distributionName = Distribution.DefaultDistributionName;
if (_p1 == null) P1 = new EquationContainer(typeof(StringPressureConverter), 0);
if (_p2 == null) P2 = new EquationContainer(typeof(StringPressureConverter), 0);
if (_p3 == null) P3 = new EquationContainer(typeof(StringPressureConverter), 0);
if (_pMagnitude == null) PMagnitude = new EquationContainer(typeof(StringPressureConverter), 0);
}
// Methods
private void UpdateEquations()
{
try
{
// If error catch it silently
if (_f1.IsEquation() || _f2.IsEquation() || _f3.IsEquation()) FEquationChanged();
else if (_fMagnitude.IsEquation()) FMagnitudeEquationChanged();
//
if (_p1.IsEquation() || _p2.IsEquation() || _p3.IsEquation()) PEquationChanged();
else if (_pMagnitude.IsEquation()) PMagnitudeEquationChanged();
}
catch (Exception ex) { }
}
private void SetF1(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _f1, value, null, FEquationChanged, checkEquation);
}
private void SetF2(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _f2, value, null, FEquationChanged, checkEquation);
}
private void SetF3(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _f3, value, Check2D, FEquationChanged, checkEquation);
}
private void SetFMagnitude(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _fMagnitude, value, CheckMagnitude, FMagnitudeEquationChanged, checkEquation);
}
//
private void SetP1(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _p1, value, null, PEquationChanged, checkEquation);
}
private void SetP2(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _p2, value, null, PEquationChanged, checkEquation);
}
private void SetP3(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _p3, value, Check2D, PEquationChanged, checkEquation);
}
private void SetPMagnitude(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _pMagnitude, value, CheckMagnitude, PMagnitudeEquationChanged, checkEquation);
}
//
private void FEquationChanged()
{
double mag = Math.Sqrt(_f1.Value * _f1.Value + _f2.Value * _f2.Value + _f3.Value * _f3.Value);
_fMagnitude.SetEquationFromValue(mag, false);
}
private void PEquationChanged()
{
double mag = Math.Sqrt(_p1.Value * _p1.Value + _p2.Value * _p2.Value + _p3.Value * _p3.Value);
_pMagnitude.SetEquationFromValue(mag, false);
}
private void FMagnitudeEquationChanged()
{
double c1;
double c2;
double c3;
//
if (_fMagnitude.Value == 0)
{
c1 = 0;
c2 = 0;
c3 = 0;
}
else
{
double r;
c1 = _f1.Value;
c2 = _f2.Value;
c3 = _f3.Value;
double mag = Math.Sqrt(c1 * c1 + c2 * c2 + c3 * c3);
//
if (mag != 0)
{
r = _fMagnitude.Value / mag;
c1 *= r;
c2 *= r;
c3 *= r;
}
else
{
r = Math.Sqrt(Math.Pow(_fMagnitude.Value, 2) / 3);
c1 = r;
c2 = r;
c3 = r;
}
}
//
_f1.SetEquationFromValue(c1, false);
_f2.SetEquationFromValue(c2, false);
_f3.SetEquationFromValue(c3, false);
}
private void PMagnitudeEquationChanged()
{
double c1;
double c2;
double c3;
//
if (_pMagnitude.Value == 0)
{
c1 = 0;
c2 = 0;
c3 = 0;
}
else
{
double r;
c1 = _p1.Value;
c2 = _p2.Value;
c3 = _p3.Value;
double mag = Math.Sqrt(c1 * c1 + c2 * c2 + c3 * c3);
//
if (mag != 0)
{
r = _pMagnitude.Value / mag;
c1 *= r;
c2 *= r;
c3 *= r;
}
else
{
r = Math.Sqrt(Math.Pow(_pMagnitude.Value, 2) / 3);
c1 = r;
c2 = r;
c3 = r;
}
}
//
_p1.SetEquationFromValue(c1, false);
_p2.SetEquationFromValue(c2, false);
_p3.SetEquationFromValue(c3, false);
}
//
private double Check2D(double value)
{
if (_twoD) return 0;
else return value;
}
private double CheckMagnitude(double value)
{
if (value < 0) throw new Exception("Value of the force load magnitude must be non-negative.");
else return value;
}
public double[] GetDirection()
{
double d1;
double d2;
double d3;
if (_distributionName == Distribution.DefaultDistributionName)
{
d1 = _f1.Value;
d2 = _f2.Value;
d3 = _f3.Value;
}
else
{
d1 = _p1.Value;
d2 = _p2.Value;
d3 = _p3.Value;
}
return new double[] { d1, d2, d3 };
}
// IContainsEquations
public override void CheckEquations()
{
base.CheckEquations();
//
_f1.CheckEquation();
_f2.CheckEquation();
_f3.CheckEquation();
_fMagnitude.CheckEquation();
//
_p1.CheckEquation();
_p2.CheckEquation();
_p3.CheckEquation();
_pMagnitude.CheckEquation();
}
// IPreviewable
public FeResults GetPreview(FeModel model, string resultName, UnitSystem unitSystem)
{
FeMesh targetMesh = model.Mesh;
PartExchangeData allData = new PartExchangeData();
targetMesh.GetAllNodesAndCells(out allData.Nodes.Ids, out allData.Nodes.Coor, out allData.Cells.Ids,
out allData.Cells.CellNodeIds, out allData.Cells.Types);
//
bool addDistances = _distributionName != Distribution.DefaultDistributionName &&
model.Distributions[_distributionName] is MappedDistribution md &&
md.InterpolatorType == CloudInterpolatorEnum.ClosestPoint;
//
double area = model.GetAreaForSTLoad(this);
FeSurface surface = targetMesh.Surfaces[SurfaceName];
FeNodeSet nodeSet = targetMesh.NodeSets[surface.NodeSetName];
HashSet<int> nodeIds = new HashSet<int>(nodeSet.Labels);
//
float[] distancesAll = new float[allData.Nodes.Coor.Length];
float[] distances1 = new float[allData.Nodes.Coor.Length];
float[] distances2 = new float[allData.Nodes.Coor.Length];
float[] distances3 = new float[allData.Nodes.Coor.Length];
float[] forcesAll = new float[allData.Nodes.Coor.Length];
float[] forces1 = new float[allData.Nodes.Coor.Length];
float[] forces2 = new float[allData.Nodes.Coor.Length];
float[] forces3 = new float[allData.Nodes.Coor.Length];
//
int count = 0;
int nodeId;
double[][] coor = new double[nodeSet.Labels.Length][];
Dictionary<int, int> nodeIdArrayId = new Dictionary<int, int>();
for (int i = 0; i < allData.Nodes.Coor.Length; i++)
{
nodeId = allData.Nodes.Ids[i];
if (nodeIds.Contains(nodeId))
{
coor[count] = allData.Nodes.Coor[i];
nodeIdArrayId[nodeId] = count;
count++;
}
}
double[][] distances;
double[][] forces;
GetForcesPerAreaAndDistancesForPoints(model, coor, out distances, out forces);
//
CoordinateSystem coordinateSystem;
model.Mesh.CoordinateSystems.TryGetValue(CoordinateSystemName, out coordinateSystem);
//
Parallel.For(0, forcesAll.Length, i =>
//for (int i = 0; i < forcesAll.Length; i++)
{
int nId;
int arrayId;
double[] distance;
double[] force;
//
nId = allData.Nodes.Ids[i];
if (nodeIds.Contains(nId))
{
arrayId = nodeIdArrayId[nId];
// Direction
if (coordinateSystem != null)
force = coordinateSystem.GetOrientedVectorAtPoint(forces[arrayId], coor[arrayId]);
else
force = forces[arrayId];
//
if (addDistances)
{
distance = distances[arrayId];
distances1[i] = (float)distance[0];
distances2[i] = (float)distance[1];
distances3[i] = (float)distance[2];
distancesAll[i] = (float)Math.Sqrt(distance[0] * distance[0] +
distance[1] * distance[1] +
distance[2] * distance[2]);
}
forces1[i] = (float)force[0];
forces2[i] = (float)force[1];
forces3[i] = (float)force[2];
forcesAll[i] = (float)Math.Sqrt(force[0] * force[0] +
force[1] * force[1] +
force[2] * force[2]);
}
else
{
if (addDistances)
{
distances1[i] = float.NaN;
distances2[i] = float.NaN;
distances3[i] = float.NaN;
distancesAll[i] = float.NaN;
}
forces1[i] = float.NaN;
forces2[i] = float.NaN;
forces3[i] = float.NaN;
forcesAll[i] = float.NaN;
}
}
);
//
Dictionary<int, int> nodeIdsLookUp = new Dictionary<int, int>();
for (int i = 0; i < allData.Nodes.Coor.Length; i++) nodeIdsLookUp.Add(allData.Nodes.Ids[i], i);
FeResults results = new FeResults(resultName, unitSystem);
results.SetMesh(targetMesh, nodeIdsLookUp);
// Prepare field data
Field field;
FieldData fieldData = new FieldData(FOFieldNames.Distance);
fieldData.GlobalIncrementId = 1;
fieldData.StepType = StepTypeEnum.Static;
fieldData.Time = 1;
fieldData.MethodId = 1;
fieldData.StepId = 1;
fieldData.StepIncrementId = 1;
//
if (addDistances)
{
// Distances
field = new Field(fieldData.Name);
field.AddComponent(FOComponentNames.All, distancesAll);
field.AddComponent(FOComponentNames.D1, distances1);
field.AddComponent(FOComponentNames.D2, distances2);
field.AddComponent(FOComponentNames.D3, distances3);
results.AddField(fieldData, field);
}
// Add forces
fieldData = new FieldData(fieldData);
fieldData.Name = FOFieldNames.ForcePerArea;
//
field = new Field(fieldData.Name);
field.AddComponent(FOComponentNames.All, forcesAll);
field.AddComponent(FOComponentNames.F1, forces1);
field.AddComponent(FOComponentNames.F2, forces2);
field.AddComponent(FOComponentNames.F3, forces3);
fieldData.Unit = unitSystem.PressureUnitAbbreviation;
results.AddField(fieldData, field);
//
return results;
}
public void GetForcesPerAreaAndDistancesForPoints(FeModel model, double[][] points,
out double[][] distances, out double[][] values)
{
double area = model.GetAreaForSTLoad(this);
distances = new double[points.Length][];
values = new double[points.Length][];
//
if (_distributionName == Distribution.DefaultDistributionName)
{
double fpa1 = _f1.Value / area;
double fpa2 = _f2.Value / area;
double fpa3 = _f3.Value / area;
for (int i = 0; i < points.Length; i++)
{
distances[i] = null;
values[i] = new double[] { fpa1, fpa2, fpa3 };
}
}
else
{
double p1 = _p1.Value;
double p2 = _p2.Value;
double p3 = _p3.Value;
double[][] magnitudes;
Distribution distribution = model.Distributions[_distributionName];
//
distribution.GetMagnitudesAndDistancesForPoints(model, points, out magnitudes, out distances);
//
for (int i = 0; i < points.Length; i++)
{
if (magnitudes[i].Length == 1)
values[i] = new double[] { magnitudes[i][0] * p1, magnitudes[i][0] * p2, magnitudes[i][0] * p3 };
else if (magnitudes[i].Length == 3)
values[i] = new double[] { magnitudes[i][0] * p1, magnitudes[i][1] * p2, magnitudes[i][2] * p3 };
else throw new NotSupportedException();
}
}
}
public double[] GetForcePerAreaForPoint(FeModel model, double[] point)
{
double[][] points = new double[][] { point };
double[][] values;
GetForcesPerAreaAndDistancesForPoints(model, points, out _, out values);
return values[0];
}
// ISerialization
public new void GetObjectData(SerializationInfo info, StreamingContext context)
{
// Using typeof() works also for null fields
base.GetObjectData(info, context);
//
info.AddValue("_surfaceName", _surfaceName, typeof(string));
info.AddValue("_regionType", _regionType, typeof(RegionTypeEnum));
info.AddValue("_f1", _f1, typeof(EquationContainer));
info.AddValue("_f2", _f2, typeof(EquationContainer));
info.AddValue("_f3", _f3, typeof(EquationContainer));
info.AddValue("_fMagnitude", _fMagnitude, typeof(EquationContainer));
info.AddValue("_p1", _p1, typeof(EquationContainer));
info.AddValue("_p2", _p2, typeof(EquationContainer));
info.AddValue("_p3", _p3, typeof(EquationContainer));
info.AddValue("_pMagnitude", _pMagnitude, typeof(EquationContainer));
info.AddValue("_distributionName", _distributionName, typeof(string));
}
}
}