Files
wg_cpso/CaeModel/Steps/Loads/DLoad.cs
2026-03-25 18:20:24 +08:00

265 lines
12 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CaeMesh;
using CaeGlobals;
using CaeResults;
using System.Runtime.Serialization;
using System.Drawing;
namespace CaeModel
{
[Serializable]
public class DLoad : VariablePressure, IDistribution, IPreviewable, ISerializable
{
// Variables
private int _elementId; //ISerializable
private FeFaceName _elementFaceName; //ISerializable
private EquationContainer _magnitude; //ISerializable
private string _distributionName; //ISerializable
// Properties
public override string RegionName { get { return _surfaceName; } set { _surfaceName = value; } }
public int ElementId { get { return _elementId; } set { _elementId = value; } }
public FeFaceName ElementFaceName { get { return _elementFaceName; } set { _elementFaceName = value; } }
public EquationContainer Magnitude { get { return _magnitude; } set { SetMagnitude(value); } }
public string DistributionName { get { return _distributionName; } set { _distributionName = value; } }
// Constructors
public DLoad(string name, int elementId, FeFaceName elementFaceName, double magnitude,
bool twoD, bool complex, double phaseDeg, bool constant = false)
: this(name, "", RegionTypeEnum.ElementId, magnitude, twoD, complex, phaseDeg, constant)
{
_elementId = elementId;
_elementFaceName = elementFaceName;
}
public DLoad(string name, string surfaceName, RegionTypeEnum regionType, double magnitude,
bool twoD, bool complex, double phaseDeg, bool constant = false)
: base(name, surfaceName, regionType, twoD, complex, phaseDeg, constant)
{
_elementId = -1;
_elementFaceName = FeFaceName.Empty;
Magnitude = new EquationContainer(typeof(StringPressureConverter), magnitude, null, constant);
_distributionName = Distribution.DefaultDistributionName;
}
public DLoad(SerializationInfo info, StreamingContext context)
: base(info, context)
{
foreach (SerializationEntry entry in info)
{
switch (entry.Name)
{
case "_regionName": //Compatibility for version v2.4.4
_surfaceName = (string)entry.Value; break;
case "_elementId":
_elementId = (int)entry.Value; break;
case "_elementFaceName":
_elementFaceName = (FeFaceName)entry.Value; break;
case "_magnitude":
// Compatibility for version v1.4.0
if (entry.Value is double valueDouble)
Magnitude = new EquationContainer(typeof(StringPressureConverter), valueDouble);
else
SetMagnitude((EquationContainer)entry.Value, false);
break;
case "_distributionName":
_distributionName = (string)entry.Value; break;
default:
break;
}
}
// Compatibility for version v2.2.4
if (_distributionName == null) _distributionName = Distribution.DefaultDistributionName;
}
// Methods
private void SetMagnitude(EquationContainer value, bool checkEquation = true)
{
EquationContainer.SetAndCheck(ref _magnitude, value, null, checkEquation);
}
// IContainsEquations
public override void CheckEquations()
{
base.CheckEquations();
//
_magnitude.CheckEquation();
}
//
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;
//
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[] pressuresAll = 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[] pressures;
GetPressuresAndDistancesForPoints(model, coor, out distances, out pressures);
//
Parallel.For(0, pressuresAll.Length, i =>
//for (int i = 0; i < forcesAll.Length; i++)
{
int nId;
int arrayId;
double[] distance;
double pressure;
//
nId = allData.Nodes.Ids[i];
if (nodeIds.Contains(nId))
{
arrayId = nodeIdArrayId[nId];
pressure = pressures[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]);
}
pressuresAll[i] = (float)pressure;
}
else
{
if (addDistances)
{
distances1[i] = float.NaN;
distances2[i] = float.NaN;
distances3[i] = float.NaN;
distancesAll[i] = float.NaN;
}
pressuresAll[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 pressure
fieldData = new FieldData(fieldData);
fieldData.Name = FOFieldNames.Pressure;
//
field = new Field(fieldData.Name);
field.AddComponent(FOComponentNames.PRESS, pressuresAll);
results.AddField(fieldData, field);
//
return results;
}
public void GetPressuresAndDistancesForPoints(FeModel model, double[][] points,
out double[][] distances, out double[] values)
{
distances = new double[points.Length][];
values = new double[points.Length];
double magnitude = _magnitude.Value;
//
if (_distributionName == Distribution.DefaultDistributionName)
{
for (int i = 0; i < points.Length; i++)
{
distances[i] = null;
values[i] = magnitude;
}
}
else
{
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] = magnitudes[i][0] * magnitude;
else if (magnitudes[i].Length == 3)
throw new CaeException("The selected distribution is not a scalar type distribution.");
else throw new NotSupportedException();
}
}
}
// Variable pressure
public override double GetPressureForPoint(FeModel model, double[] point)
{
double[][] points = new double[][] { point };
double[] values;
GetPressuresAndDistancesForPoints(model, points, out _, out values);
return values[0];
}
public override double[] GetPressuresForPoints(FeModel model, double[][] points)
{
double[] values;
GetPressuresAndDistancesForPoints(model, points, out _, out values);
return values;
}
// ISerialization
public new void GetObjectData(SerializationInfo info, StreamingContext context)
{
// Using typeof() works also for null fields
base.GetObjectData(info, context);
//
info.AddValue("_elementId", _elementId, typeof(int));
info.AddValue("_elementFaceName", _elementFaceName, typeof(FeFaceName));
info.AddValue("_magnitude", _magnitude, typeof(EquationContainer));
info.AddValue("_distributionName", _distributionName, typeof(string));
}
}
}