/// <summary>
/// Divides the given frame into given number of pieces.
/// </summary>
public void DivideFrame(Frame f, int n)
{
Node n1 = f.NodeI;
Node n2 = f.NodeJ;
double xStep = (n2.X - n1.X) / (double)n;
double zStep = (n2.Z - n1.Z) / (double)n;
Node[] nodes = new Node[n + 1];
nodes[0] = n1;
nodes[nodes.Length - 1] = n2;
double x = n1.X + xStep;
double z = n1.Z + zStep;
for (int i = 0; i < n - 1; i++)
{
nodes[i + 1] = AddNode(x, z);
x += xStep;
z += zStep;
}
Frames.Remove(f);
for (int i = 0; i < n; i++)
{
Frame newFrame = AddFrame(f.Section, nodes[i], nodes[i + 1]);
// Transfer loads
// Uniform loads
foreach (FrameLoad masterLoad in f.Loads.FindAll((e) => e is FrameUniformLoad))
{
FrameUniformLoad masterUniformLoad = masterLoad as FrameUniformLoad;
newFrame.AddUniformLoad(masterUniformLoad.AnalysisCase, masterUniformLoad.FX, masterUniformLoad.FZ);
}
// Trapezoidal loads
foreach (FrameLoad masterLoad in f.Loads.FindAll((e) => e is FrameTrapezoidalLoad))
{
FrameTrapezoidalLoad masterTrapezoidalLoad = masterLoad as FrameTrapezoidalLoad;
double mxi = masterTrapezoidalLoad.FXI;
double mzi = masterTrapezoidalLoad.FZI;
double mxj = masterTrapezoidalLoad.FXJ;
double mzj = masterTrapezoidalLoad.FZJ;
double xTotal = f.Length;
double xStart = newFrame.NodeI.DistanceTo(f.NodeI);
double xEnd = newFrame.NodeJ.DistanceTo(f.NodeI);
double fxi = xStart / xTotal * (mxj - mxi) + mxi;
double fzi = xStart / xTotal * (mzj - mzi) + mzi;
double fxj = xEnd / xTotal * (mxj - mxi) + mxi;
double fzj = xEnd / xTotal * (mzj - mzi) + mzi;
newFrame.AddTrapezoidalLoad(masterTrapezoidalLoad.AnalysisCase, fxi, fzi, fxj, fzj);
}
}
}
/// <summary>
/// Adds a new frame uniform load.
/// </summary>
public void AddFrameUniformLoad(AnalysisCase analysisCase, Frame frame, double fx, double fz)
{
frame.AddUniformLoad(analysisCase, fx, fz);
}
/// <summary>
/// Adds frame self weight load.
/// </summary>
public void AddFrameSelfWeight(AnalysisCase analysisCase, Frame frame)
{
frame.AddUniformLoad(analysisCase, 0, -frame.WeightPerLength);
}
/// <summary>
/// Adds a new frame uniform load.
/// </summary>
public void AddFrameUniformLoad(AnalysisCase analysisCase, Frame frame, double fx, double fz)
{
frame.AddUniformLoad(analysisCase, fx, fz);
}
/// <summary>
/// Adds frame self weight load.
/// </summary>
public void AddFrameSelfWeight(AnalysisCase analysisCase, Frame frame)
{
frame.AddUniformLoad(analysisCase, 0, -frame.WeightPerLength);
}
