public static void initDesigner(SteelGrade Grade, LoadingType LoadingType, double _LUnsupported, double _LbInPlan, double _LbOutPlan,
SectionI _ColumnSection, /*, HndzISectionProfile _BeamSection, HndzColumnStandardCase _columnTapered,
* HndzBeamStandrdCase _beamTapered*/HndzAnalysisResults _AppliedLoadsStart, HndzAnalysisResults _AppliedLoadsEnd)
{
switch (LoadingType)
{
case LoadingType.Case1:
CaseStress = 1.0;
break;
case LoadingType.Case2:
CaseStress = 1.2;
break;
}
// LbInPlan = _LbInPlan;
//LbOutPlan = _LbOutPlan;
// LUnsupported = _LUnsupported;
BuiltUpSection = _ColumnSection;
AppliedLoadsStart = _AppliedLoadsStart;
AppliedLoadsEnd = _AppliedLoadsEnd;
//BuiltUpSectionRafter = _BeamSection;
//columnTapered = _columnTapered;
//beamTapered = _beamTapered;
switch (Grade)
{
case SteelGrade.st37:
Fy = 2.4;
Fu = 3.6;
FcP1 = 1.4;
FcP2 = 0.000065;
break;
case SteelGrade.st44:
Fy = 2.8;
Fu = 4.4;
FcP1 = 1.6;
FcP2 = 0.000085;
break;
case SteelGrade.st52:
Fy = 3.6;
Fu = 5.2;
FcP1 = 2.1;
FcP2 = 0.000135;
break;
}
}
public static SectionI Design(HndzAnalysisResults resultStart, HndzAnalysisResults resultEnd, SectionI S, double _LUnsupported, double _LbInPlan, double kFactor, double _LbOutPlan, SteelGrade Grade, LoadingType Case, SwayCondtion Sway)
{
// List<SectionI> ColumnSections = new List<SectionI>();
// Column.AnalysisResults.
// SectionI S = CrossSectionCalulator.CalculateSection(CrossSectionCalulator.SteelGrade.st37, resultEnd, 9.5);
// SectionI End = CrossSectionCalulator.CalculateSection(CrossSectionCalulator.SteelGrade.st37, resultEnd, 9.5);
// SectionI s = new SectionI("x", 50, 28, 28, 1.4, 1.4, 0.8);
BeamColumnDesignerBuiltUp.initDesigner(Grade, Case, _LUnsupported, _LbInPlan, _LbOutPlan, S, resultStart, resultEnd);
do
{
bool a = BeamColumnDesignerBuiltUp.CheckIfWebComapact();
bool b = BeamColumnDesignerBuiltUp.CheckIfFlangIsCompact();
if (!WebIsCompact)
{
S.d = S.d * 1.05;
S.t_w = S.t_w * 1.05;
BeamColumnDesignerBuiltUp.CheckIfWebComapact();
}
if (!FlangIsCompact)
{
S.t_fTop = S.t_fTop * 1.05;
S.b_fTop = S.b_fTop * 1.05;
S.t_fBot = S.t_fBot * 1.05;
S.b_fBot = S.b_fBot * 1.05;
BeamColumnDesignerBuiltUp.CheckIfFlangIsCompact();
}
// BeamColumnDesignerBuiltUp.CheckIfSectionIsCompact();
} while (!SectionIsCompact);
BeamColumnDesignerBuiltUp.CheckColumnBuckling(kFactor);
BeamColumnDesignerBuiltUp.CheckLateralTortionalBuckling(_LUnsupported);
BeamColumnDesignerBuiltUp.CheckAllowableStresses(Sway);
if (!BeamColumnDesignerBuiltUp.CheckAllowableStresses(Sway))
{
Design(resultStart, resultEnd, S, _LUnsupported, _LbInPlan, kFactor, _LbOutPlan, Grade, Case, Sway);
}
return(S);
}
public static HndzFrameSingleBay3D AssembleSections(HndzFrameSingleBay3D Frame3d)
{
foreach (HndzFrameSingleBay2D Frame in Frame3d.Frames2D)
{
double Fy = 2.4;
double LUSupportedSap = 4.11;
//Kfactor Needs to Be calculated from InterActrion Diagrams - 2 For worst Case
double Kfactor = 2;
double KfactorBeamEnd = 0.7;
double KfactorBeamStart = 0.65;
double Lbin = 8.5;
double Lbout = 5;
double BeamLength = 12;
double PurlinSpacing = 2;
double ColumnHeight = Frame.LeftBeam.ExtrusionLine.RhinoLine.Length;
double LUnsupported = ColumnHeight / 2;
//What i want
// Analysis Result at start and and end
//Whats my Name ? Gecko
HndzAnalysisResults RColStartMax = Frame.LeftBeam.AnalysisResults[0];
HndzAnalysisResults RColMidMax = Frame.LeftBeam.AnalysisResults[1];
HndzAnalysisResults RColEndMax = Frame.LeftBeam.AnalysisResults[2];
HndzAnalysisResults RColStartMin = Frame.LeftBeam.AnalysisResults[3];
HndzAnalysisResults RColMidMin = Frame.LeftBeam.AnalysisResults[4];
HndzAnalysisResults RColEndMin = Frame.LeftBeam.AnalysisResults[5];
//=============================================
//HndzAnalysisResults RBeamEnd = Frame.LeftBeam.AnalysisResults[1];
//HndzAnalysisResults RBeamStart = Frame.LeftBeam.AnalysisResults[0];
//==================================
//station 0 = 0 ,3
//station 1 = 2 , 5
//============================
//foreach (HndzAnalysisResults RColEnd in Frame.LeftBeam.AnalysisResults)
//{
SectionI ColEstimated = CrossSectionCalulator.CalculateColumnSection(CrossSectionCalulator.SteelGrade.st37, ColumnHeight, RColStartMax.Axial, RColStartMax.Moment3);
SectionI ColEnd = BeamColumnDesign.DesignEnd(ColEstimated.d, ColEstimated.t_w, ColEstimated.b_fTop, ColEstimated.t_fTop,
ColEstimated.b_fBot, ColEstimated.t_fBot, RColEndMax.Axial, RColStartMax.Moment3, RColEndMax.Moment3, Fy,
LUnsupported, Kfactor, Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway,
BeamColumnDesign.SteelGrade.st37, BeamColumnDesign.LoadingType.Case2);
SectionI ColStart = CrossSectionCalulator.SectionTaperedColumn(ColEnd);
ColStart = BeamColumnDesign.DesignStart(ColStart.d, ColStart.t_w, ColStart.b_fTop, ColStart.t_fTop, ColStart.b_fBot,
ColStart.t_fBot, RColStartMax.Axial, RColEndMax.Moment3, RColEndMax.Moment3, Fy, LUnsupported, Kfactor,
Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway, BeamColumnDesign.SteelGrade.st37,
BeamColumnDesign.LoadingType.Case2);
HndzISectionProfile Start = new HndzISectionProfile(ColStart);
HndzISectionProfile End = new HndzISectionProfile(ColEnd);
HndzITaperedProfile Section = new HndzITaperedProfile(Start, End);
Frame.LeftBeam.Profile = Section;
Frame.RightBeam.Profile = Section;
// }
//foreach (HndzAnalysisResults RBeamStart in Frame.LeftBeam.AnalysisResults)
//{
// SectionI BeamEstimated = CrossSectionCalulator.CalculateBeamSection(CrossSectionCalulator.SteelGrade.st37, BeamLength, RBeamStart.Axial, RBeamStart.Moment3);
// SectionI BeamStart = BeamDesign.DesignStart(BeamEstimated.d, BeamEstimated.t_w, BeamEstimated.b_fTop, BeamEstimated.t_fTop,
// BeamEstimated.b_fBot, BeamEstimated.t_fBot, RBeamStart.Axial, RBeamStart.Shear2, RBeamStart.Moment3, RBeamEnd.Moment3, Fy, LUSupportedSap, KfactorBeamStart, BeamLength, PurlinSpacing, BeamDesign.SwayCondtion.PermitedToSway, BeamDesign.SteelGrade.st37, BeamDesign.LoadingType.Case2);
// SectionI BeamEnd = CrossSectionCalulator.SectionTaperedBeam(BeamStart);
// BeamEnd = BeamDesign.DesignEnd(BeamEnd.d, BeamEnd.t_w, BeamEnd.b_fTop, BeamEnd.t_fTop,
// BeamEnd.b_fBot, BeamEnd.t_fBot,
// RBeamEnd.Axial, RBeamEnd.Shear2, RBeamStart.Moment3, RBeamEnd.Moment3, Fy, PurlinSpacing, KfactorBeamEnd, BeamLength, PurlinSpacing, BeamDesign.SwayCondtion.PermitedToSway, BeamDesign.SteelGrade.st37, BeamDesign.LoadingType.Case2);
// HndzISectionProfile Start = new HndzISectionProfile(BeamStart);
// HndzISectionProfile End = new HndzISectionProfile(BeamEnd);
// HndzITaperedProfile Section = new HndzITaperedProfile(Start, End);
//}
// double AppliedLoads =
}
return(null);
}
////============================
//public bool CheckStress()
//{
// return ((N / Area) / Fc) +( A1 * (Mx / Zx) / Fbx) + (A2 * (My / Zy) / Fby) > 1;
//}
//private double CheckWebThickness()
//{
// return 0.0;
//}
//private double CheckWebHeight()
//{
// return 0.0;
//}
//private double CheckTopFlangWidth()
//{
// return 0.0;
//}
//private double CheckTopFlangThickness()
//{
// return 0.0;
//}
//private double CheckBottomFlangThickness()
//{
// return 0.0;
//}
//private double CheckBottomFlangWidth()
//{
// return 0.0;
//}
//private double CheckMoment()
//{
// return 0.0;
//}
//private double CheckShear()
//{
// return 0.0;
//}
//public void /*- to be changed to handaz profile */ RetriveBuiltUpSection()
//{
//}
#endregion
public BuiltUpSectionDesginer(SectionI BuiltUpSection, HndzAnalysisResults AppliedLoads)
{
this.BuiltUpSection = BuiltUpSection;
this.AppliedLoads = AppliedLoads;
}
public static HndzFrameSingleBay3D AssembleSections(HndzFrameSingleBay3D Frame3d)
{
double Fy = 2.4;
double LUSupportedSap = 4.11;
double Kfactor = 2;
//==========================
double KfactorBeamEnd = 0.7;
double KfactorBeamStart = 0.65;
//=======================
double PurlinSpacing = Frame3d.PurlinSpacing / 1000;
//
foreach (HndzFrameSingleBay2D Frame in Frame3d.Frames2D)
{
//===========================
//=======================
//Has to Get it form an algorithm in sap
//Kfactor Needs to Be calculated from InterActrion Diagrams - 2 For worst Case
//What i want
// Analysis Result at start and and end
//Whats my Name ? Gecko
double BeamLength = Frame.LeftBeam.ExtrusionLine.RhinoLine.Length / 1000;
double ColumnHeight = Frame.LeftColumn.ExtrusionLine.RhinoLine.Length / 1000;
//=================
double Lbin = ColumnHeight;
double Lbout = ColumnHeight;
double LUnsupported = ColumnHeight * 100 / 2;
HndzAnalysisResults RColStartMax = Frame.LeftColumn.AnalysisResults[0];
HndzAnalysisResults RColMidMax = Frame.LeftColumn.AnalysisResults[1];
HndzAnalysisResults RColEndMax = Frame.LeftColumn.AnalysisResults[2];
HndzAnalysisResults RColStartMin = Frame.LeftColumn.AnalysisResults[3];
HndzAnalysisResults RColMidMin = Frame.LeftColumn.AnalysisResults[4];
HndzAnalysisResults RColEndMin = Frame.LeftColumn.AnalysisResults[5];
HndzAnalysisResults RBeamStartMax = Frame.LeftColumn.AnalysisResults[0];
HndzAnalysisResults RBeamMidMax = Frame.LeftColumn.AnalysisResults[1];
HndzAnalysisResults RBeamEndMax = Frame.LeftColumn.AnalysisResults[2];
HndzAnalysisResults RBeamStartMin = Frame.LeftColumn.AnalysisResults[3];
HndzAnalysisResults RBeamMidMin = Frame.LeftColumn.AnalysisResults[4];
HndzAnalysisResults RBeamEndMin = Frame.LeftColumn.AnalysisResults[5];
//=============================================
//HndzAnalysisResults RBeamEnd = Frame.LeftBeam.AnalysisResults[1];
//HndzAnalysisResults RBeamStart = Frame.LeftBeam.AnalysisResults[0];
//==================================
//station 0 = 0 ,3
//station 1 = 2 , 5
//============================
//foreach (HndzAnalysisResults RColEnd in Frame.LeftBeam.AnalysisResults)
//{
SectionI ColEstimated = CrossSectionCalulator.CalculateColumnSection(CrossSectionCalulator.SteelGrade.st37, ColumnHeight, RColStartMax.Axial, RColEndMax.Moment3);
SectionI ColEndMax = BeamColumnDesign.DesignEnd(ColEstimated.d, ColEstimated.t_w, ColEstimated.b_fTop, ColEstimated.t_fTop,
ColEstimated.b_fBot, ColEstimated.t_fBot, RColEndMax.Axial, RColStartMax.Moment3, RColEndMax.Moment3, Fy,
LUnsupported, Kfactor, Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway,
BeamColumnDesign.SteelGrade.st37, BeamColumnDesign.LoadingType.Case2);
SectionI ColStartMax = CrossSectionCalulator.SectionTaperedColumn(ColEndMax);
ColStartMax = BeamColumnDesign.DesignStart(ColStartMax.d, ColStartMax.t_w, ColStartMax.b_fTop, ColStartMax.t_fTop, ColStartMax.b_fBot,
ColStartMax.t_fBot, RColStartMax.Axial, RColStartMax.Moment3, RColEndMax.Moment3, Fy, LUnsupported, Kfactor,
Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway, BeamColumnDesign.SteelGrade.st37,
BeamColumnDesign.LoadingType.Case2);
ColStartMax = CrossSectionCalulator.PostProcessing(ColStartMax);
ColEndMax = CrossSectionCalulator.PostProcessing(ColEndMax);
//=======================================================
//HndzISectionProfile Start = new HndzISectionProfile(ColStartMax);
//HndzISectionProfile End = new HndzISectionProfile(ColEndMax);
//HndzITaperedProfile ColumnTaperedSectionMax = new HndzITaperedProfile(Start, End);
//======================================
SectionI ColEstimatedMin = CrossSectionCalulator.CalculateColumnSection(CrossSectionCalulator.SteelGrade.st37, ColumnHeight, RColStartMax.Axial, RColEndMax.Moment3);
SectionI ColEndMin = BeamColumnDesign.DesignEnd(ColEstimatedMin.d, ColEstimatedMin.t_w, ColEstimatedMin.b_fTop, ColEstimatedMin.t_fTop,
ColEstimatedMin.b_fBot, ColEstimatedMin.t_fBot, RColEndMin.Axial, RColStartMin.Moment3, RColEndMin.Moment3, Fy,
LUnsupported, Kfactor, Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway,
BeamColumnDesign.SteelGrade.st37, BeamColumnDesign.LoadingType.Case2);
SectionI ColStartMin = CrossSectionCalulator.SectionTaperedColumn(ColEndMin);
ColStartMin = BeamColumnDesign.DesignStart(ColStartMin.d, ColStartMin.t_w, ColStartMin.b_fTop, ColStartMin.t_fTop, ColStartMin.b_fBot,
ColStartMin.t_fBot, RColStartMin.Axial, RColStartMin.Moment3, RColEndMin.Moment3, Fy, LUnsupported, Kfactor,
Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway, BeamColumnDesign.SteelGrade.st37,
BeamColumnDesign.LoadingType.Case2);
ColStartMin = CrossSectionCalulator.PostProcessing(ColStartMin);
ColEndMin = CrossSectionCalulator.PostProcessing(ColEndMin);
//HndzISectionProfile StartMin = new HndzISectionProfile(ColStartMin);
//HndzISectionProfile EndMin = new HndzISectionProfile(ColEndMax);
//HndzITaperedProfile ColumnTaperedSectionMin = new HndzITaperedProfile(Start, End);
SectionI FinalSectionStartCol = CrossSectionCalulator.SectionCompare(ColStartMax, ColStartMin);
SectionI FinalSectionEndCol = CrossSectionCalulator.SectionCompare(ColEndMax, ColEndMin);
HndzISectionProfile ColStart = new HndzISectionProfile(FinalSectionStartCol);
HndzISectionProfile ColEnd = new HndzISectionProfile(FinalSectionEndCol);
HndzITaperedProfile ColumnTaperedSection = new HndzITaperedProfile(ColEnd, ColStart);
//==========================================
// }
//foreach (HndzAnalysisResults RBeamStart in Frame.LeftBeam.AnalysisResults)
//{
SectionI BeamEstimatedMax = CrossSectionCalulator.CalculateBeamSection(CrossSectionCalulator.SteelGrade.st37, BeamLength, RBeamStartMax.Axial, RBeamStartMax.Moment3);
SectionI BeamStartMax = BeamDesign.DesignStart(BeamEstimatedMax.d, BeamEstimatedMax.t_w, BeamEstimatedMax.b_fTop, BeamEstimatedMax.t_fTop,
BeamEstimatedMax.b_fBot, BeamEstimatedMax.t_fBot, RBeamStartMax.Axial, RBeamStartMax.Shear2, RBeamStartMax.Moment3, RBeamEndMax.Moment3, Fy, LUSupportedSap, KfactorBeamStart, BeamLength, PurlinSpacing, BeamDesign.SwayCondtion.PermitedToSway, BeamDesign.SteelGrade.st37, BeamDesign.LoadingType.Case2);
SectionI BeamEndMAX = CrossSectionCalulator.SectionTaperedBeam(BeamStartMax);
BeamEndMAX = BeamDesign.DesignEnd(BeamEndMAX.d, BeamEndMAX.t_w, BeamEndMAX.b_fTop, BeamEndMAX.t_fTop,
BeamEndMAX.b_fBot, BeamEndMAX.t_fBot,
RBeamEndMax.Axial, RBeamEndMax.Shear2, RBeamStartMax.Moment3, RBeamEndMax.Moment3, Fy, PurlinSpacing, KfactorBeamEnd, BeamLength, PurlinSpacing, BeamDesign.SwayCondtion.PermitedToSway, BeamDesign.SteelGrade.st37, BeamDesign.LoadingType.Case2);
BeamStartMax = CrossSectionCalulator.PostProcessing(BeamStartMax);
BeamEndMAX = CrossSectionCalulator.PostProcessing(BeamEndMAX);
//HndzISectionProfile StartBeamMax = new HndzISectionProfile(BeamStartMax);
//HndzISectionProfile EndBeamMax = new HndzISectionProfile(BeamEndMAX);
//HndzITaperedProfile BeamTaperedSectionMax = new HndzITaperedProfile(StartBeamMax, EndBeamMax, new Rhino.Geometry.Vector2d(0, 1));
SectionI BeamEstimatedMin = CrossSectionCalulator.CalculateColumnSection(CrossSectionCalulator.SteelGrade.st37, ColumnHeight, RColStartMax.Axial, RColEndMax.Moment3);
SectionI BeamEndMin = BeamColumnDesign.DesignEnd(BeamEstimatedMin.d, BeamEstimatedMin.t_w, BeamEstimatedMin.b_fTop, BeamEstimatedMin.t_fTop,
BeamEstimatedMin.b_fBot, BeamEstimatedMin.t_fBot, RColEndMin.Axial, RColStartMin.Moment3, RColEndMin.Moment3, Fy,
LUnsupported, Kfactor, Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway,
BeamColumnDesign.SteelGrade.st37, BeamColumnDesign.LoadingType.Case2);
SectionI BeamStartMin = CrossSectionCalulator.SectionTaperedColumn(BeamEndMin);
BeamStartMin = BeamColumnDesign.DesignStart(BeamStartMin.d, BeamStartMin.t_w, BeamStartMin.b_fTop, BeamStartMin.t_fTop, BeamStartMin.b_fBot,
BeamStartMin.t_fBot, RColStartMin.Axial, RColStartMin.Moment3, RColEndMin.Moment3, Fy, LUnsupported, Kfactor,
Lbin, Lbout, BeamColumnDesign.SwayCondtion.PermitedToSway, BeamColumnDesign.SteelGrade.st37,
BeamColumnDesign.LoadingType.Case2);
BeamStartMin = CrossSectionCalulator.PostProcessing(BeamStartMin);
BeamEndMin = CrossSectionCalulator.PostProcessing(BeamEndMin);
// HndzISectionProfile StartMinBeam = new HndzISectionProfile(BeamStartMin);
// HndzISectionProfile EndMinBeam = new HndzISectionProfile(BeamEndMin);
//HndzISectionProfile StartMinBeam = new HndzISectionProfile(BeamEndMin);
//HndzISectionProfile EndMinBeam = new HndzISectionProfile(BeamStartMin);
//HndzITaperedProfile BeamTaperedSectionMin = new HndzITaperedProfile(EndMinBeam,StartMinBeam,new Rhino.Geometry.Vector2d(0, 1));
SectionI FinalSectionStartBeam = CrossSectionCalulator.SectionCompare(BeamStartMax, BeamStartMin);
SectionI FinalSectionEndBeam = CrossSectionCalulator.SectionCompare(BeamEndMAX, BeamEndMin);
HndzISectionProfile BeamStart = new HndzISectionProfile(FinalSectionStartBeam);
HndzISectionProfile BeamEnd = new HndzISectionProfile(FinalSectionEndBeam);
HndzITaperedProfile BeamTaperedSection = new HndzITaperedProfile(BeamStart, BeamEnd, new Rhino.Geometry.Vector2d(0, 1));
//==========================================
//}
// Sections Assumbtions
//========================================
Frame.LeftColumn.Profile = ColumnTaperedSection;
Frame.RightColumn.Profile = ColumnTaperedSection;
Frame.LeftBeam.Profile = BeamTaperedSection;
Frame.RightBeam.Profile = BeamTaperedSection;
//SectionChannel AssumedCSection = new SectionChannel("Assumed hotRolled C Section", 180, 80, 10, 4);
//HndzISectionProfile bigProfile = new HndzISectionProfile(new SectionI("big", 1000 * 2, 500 * 2, 100 * 2, 50 * 2));
//HndzISectionProfile smallProfile = new HndzISectionProfile(new SectionI("small", 1000, 500, 100, 50));
}
return(Frame3d);
}
//step 1
//if not compact -> redo
public static void DesignFixed(double rafterLength, double purlinSpacing, double bracingSpacing, SectionI Section, HndzAnalysisResults AppliedLoadsStart, HndzAnalysisResults AppliedLoadsEnd)
{
initDesigner(SteelGrade.st37, LoadingType.Case2, purlinSpacing, rafterLength, bracingSpacing, Section, AppliedLoadsStart, AppliedLoadsEnd);
bool WebCompactDesign = CheckIfwebCompactFixed();
while (!WebCompactDesign)
{
IncreaseWeb(Section);
}
}
//// public static double Xbar
// {
// get
// {
// return BuiltUpSection.x_Bar;
// }
// set
// {
// xbar = value;
// }
// }
//====================
//check
// n /a + mx / zx
public static SectionI Design(double rafterLength, double purlinSpacing, double bracingSpacing, SectionI Section, HndzAnalysisResults AppliedLoadsStart, HndzAnalysisResults AppliedLoadsEnd)
{
initDesigner(SteelGrade.st37, LoadingType.Case2, purlinSpacing, rafterLength, bracingSpacing, Section, AppliedLoadsStart, AppliedLoadsEnd);
CheckIfSectionIsCompact();
do
{
if (!FlangIsCompact)
{
IncreaseFlang(Section);
}
if (!WebIsCompact)
{
IncreaseWeb(Section);
}
CheckIfSectionIsCompact();
} while (!SectionCompact);
CheckLateralTortionalBuckling(purlinSpacing);
bool Check1 = CheckBeamBuckling(0.7);
bool Check2 = CheckAllowableStresses(SwayCondtion.PermitedToSway, SteelGrade.st37);
bool Check3 = CheckShearStress();
bool Check4 = CheckEquvilantStress();
if (!Check1 || !Check2 || !Check3 || !Check4)
{
if (!Check1)
{
IncreaseWeb(Section);
}
else
{
IncreaseSection(Section);
}
// return Design(rafterLength,purlinSpacing,bracingSpacing,Section,AppliedLoadsStart,AppliedLoadsEnd);
return(null);
}
else
{
return(Section);
}
}