public static string Description(this GeneralisedTSectionProfile profile)
{
if (profile == null)
{
return("null profile");
}
return($"GenT {profile.Height:G3}x{profile.WebThickness}x" +
$"{profile.LeftOutstandWidth:G3}x{profile.LeftOutstandThickness:G3}x" +
$"{profile.RightOutstandWidth:G3}x{profile.RightOutstandThickness:G3}");
}
/***************************************************/
public static GeneralisedTSectionProfile InterpolateProfile(GeneralisedTSectionProfile startProfile, GeneralisedTSectionProfile endProfile, double parameter, int interpolationOrder,
double domainStart = 0, double domainEnd = 1)
{
return(Create.GeneralisedTSectionProfile(
Interpolate(startProfile.Height, endProfile.Height, parameter, interpolationOrder, domainStart, domainEnd),
Interpolate(startProfile.WebThickness, endProfile.WebThickness, parameter, interpolationOrder, domainStart, domainEnd),
Interpolate(startProfile.LeftOutstandWidth, endProfile.LeftOutstandWidth, parameter, interpolationOrder, domainStart, domainEnd),
Interpolate(startProfile.LeftOutstandThickness, endProfile.LeftOutstandThickness, parameter, interpolationOrder, domainStart, domainEnd),
Interpolate(startProfile.RightOutstandWidth, endProfile.RightOutstandWidth, parameter, interpolationOrder, domainStart, domainEnd),
Interpolate(startProfile.RightOutstandThickness, endProfile.RightOutstandThickness, parameter, interpolationOrder, domainStart, domainEnd),
startProfile.MirrorAboutLocalY));
}
public static double TorsionalConstant(this GeneralisedTSectionProfile profile)
{
if (profile.IsNull())
{
return(0);
}
bool leftOutstand = profile.LeftOutstandWidth > 0 && profile.LeftOutstandThickness > 0;
bool rightOustand = profile.RightOutstandWidth > 0 && profile.RightOutstandThickness > 0;
if (!leftOutstand && !rightOustand)
{
//No outstands => Rectangle
double a = Math.Max(profile.Height, profile.WebThickness) / 2;
double b = Math.Min(profile.Height, profile.WebThickness) / 2;
return(a * Math.Pow(b, 3) * (16 / 3 - 3.36 * b / a * (1 - Math.Pow(b, 4) / (12 * Math.Pow(a, 4)))));
}
if (Math.Abs(profile.RightOutstandThickness - profile.LeftOutstandThickness) < Tolerance.Distance &&
Math.Abs(profile.RightOutstandWidth - profile.LeftOutstandWidth) < Tolerance.Distance)
{
//Symmetric T
double totalWidth = profile.RightOutstandWidth * 2 + profile.WebThickness;
double totalDepth = profile.Height;
double tf = profile.RightOutstandThickness;
double tw = profile.WebThickness;
return((totalWidth * Math.Pow(tf, 3) + (totalDepth - tf / 2) * Math.Pow(tw, 3)) / 3);
}
if (leftOutstand && !rightOustand || !leftOutstand && rightOustand)
{
//One outstand => angle
double totalWidth = (leftOutstand ? profile.LeftOutstandWidth : profile.RightOutstandWidth) + profile.WebThickness;
double totalDepth = profile.Height;
double tf = leftOutstand ? profile.LeftOutstandThickness : profile.RightOutstandThickness;
double tw = profile.WebThickness;
return(((totalWidth - tw / 2) * Math.Pow(tf, 3) + (totalDepth - tf / 2) * Math.Pow(tw, 3)) / 3);
}
Reflection.Compute.RecordWarning("Can only calculate torsional constant of symmetric T sections or angles");
return(0);
}
/***************************************************/
public static string Description(this GeneralisedTSectionProfile profile)
{
return("GenT " + profile.Height + "x" + profile.WebThickness + "x" + profile.LeftOutstandWidth + "x" + profile.LeftOutstandThickness + "x" + profile.RightOutstandWidth + "x" + profile.RightOutstandThickness);
}
/***************************************************/
private bool CreateProfile(string name, GeneralisedTSectionProfile profile)
{
Engine.Base.Compute.RecordError("GeneralisedTSectionProfile not supported in Lusas_Toolkit");
return(false);
}
