public SteelLimitStateValue GetFlexuralWebOrWallBucklingStrength(FlexuralCompressionFiberPosition CompressionLocation)
{
SteelLimitStateValue ls = new SteelLimitStateValue();
ShapeCompactness.HollowMember Compactness = new ShapeCompactness.HollowMember(Section, CompressionLocation, MomentAxis.XAxis);
CompactnessClassFlexure cClass = Compactness.GetWebCompactnessFlexure();
if (cClass == CompactnessClassFlexure.Compact)
{
ls = new SteelLimitStateValue(-1, false);
}
else
{
double phiM_n = GetLocalBucklingCapacity();
ls = new SteelLimitStateValue(phiM_n, true);
}
return(ls);
}
public ISteelCompressionMember GetChsShape(ISteelSection Section, double L_x, double L_y, double L_z, ICalcLog CalcLog)
{
ISteelCompressionMember column = null;
IShapeCompactness compactnessX = new ShapeCompactness.HollowMember(Section, Common.Section.Interfaces.FlexuralCompressionFiberPosition.Top, Common.Entities.MomentAxis.XAxis);
IShapeCompactness compactnessY = new ShapeCompactness.HollowMember(Section, Common.Section.Interfaces.FlexuralCompressionFiberPosition.Top, Common.Entities.MomentAxis.YAxis);
ICalcLog Log = new CalcLog();
CompactnessClassAxialCompression webCompactnessX = compactnessX.GetWebCompactnessCompression();
CompactnessClassAxialCompression webCompactnessY = compactnessY.GetWebCompactnessCompression();
if (webCompactnessX == CompactnessClassAxialCompression.NonSlender && webCompactnessY == CompactnessClassAxialCompression.NonSlender)
{
return(new ChsNonSlender(Section, L_x, L_y, L_z, CalcLog));
}
else
{
return(new ChsSlender(Section, L_x, L_y, L_z, CalcLog));
}
return(column);
}
public double GetLambdaWeb(FlexuralCompressionFiberPosition compressionFiberPosition, MomentAxis MomentAxis)
{
ShapeCompactness.HollowMember compactness = new ShapeCompactness.HollowMember(this.Section, compressionFiberPosition, MomentAxis);
return(compactness.GetWebLambda());
}
public CompactnessClassFlexure GetFlangeCompactness(FlexuralCompressionFiberPosition compressionFiberPosition, MomentAxis MomentAxis)
{
ShapeCompactness.HollowMember compactness = new ShapeCompactness.HollowMember(this.Section, compressionFiberPosition, MomentAxis);
return(compactness.GetFlangeCompactnessFlexure());
}
protected virtual double GetLambdarf(FlexuralCompressionFiberPosition compressionFiberPosition, MomentAxis MomentAxis)
{
compactness = new ShapeCompactness.HollowMember(this.Section, compressionFiberPosition, MomentAxis);
return(compactness.GetFlangeLambda_r(StressType.Flexure));
}
