public double GetUtilizationRatio(HssKConnectionLoadCaseData LoadCase, out double RequiredAxialStrenghPro,
out double RequiredMomentStrengthMro)
{
ISteelSection chordSec = Chord as ISteelSection;
double Umax = 0.0;
double Fx = 0.0;
double M = 0.0;
if (chordSec!=null)
{
double D = GetChordDiameter();
var forces = Chord.Forces.Where(f => f.LoadCaseName == LoadCase.LoadCaseName).ToList();
foreach (var f in forces)
{
Fx = Math.Abs(f.Fx);
M = Math.Sqrt(Math.Pow(f.My,2)+Math.Pow(f.Mz,2));
double U = GetUtilizationRatio(chordSec, Fx, M);
}
}
else
{
throw new Exception("Chord Member must implement ISteelSection interface");
}
RequiredAxialStrenghPro = Fx;
RequiredMomentStrengthMro = M;
return Umax;
}
public double GetUtilizationRatio(HssKConnectionLoadCaseData LoadCase, out double RequiredAxialStrenghPro,
out double RequiredMomentStrengthMro)
{
ISteelSection chordSec = Chord as ISteelSection;
double Umax = 0.0;
double Fx = 0.0;
double M = 0.0;
if (chordSec != null)
{
double D = GetChordDiameter();
var forces = Chord.Forces.Where(f => f.LoadCaseName == LoadCase.LoadCaseName).ToList();
foreach (var f in forces)
{
Fx = Math.Abs(f.Fx);
M = Math.Sqrt(Math.Pow(f.My, 2) + Math.Pow(f.Mz, 2));
double U = GetUtilizationRatio(chordSec, Fx, M);
}
}
else
{
throw new Exception("Chord Member must implement ISteelSection interface");
}
RequiredAxialStrenghPro = Fx;
RequiredMomentStrengthMro = M;
return(Umax);
}
public double GetUtilizationRatio(HssKConnectionLoadCaseData LoadCase)
{
double P = 0.0;
double M = 0.0;
double U = GetUtilizationRatio(LoadCase, out P, out M);
return(U);
}
public double GetUtilizationRatio(HssKConnectionLoadCaseData LoadCase)
{
double P = 0.0;
double M = 0.0;
double U = GetUtilizationRatio(LoadCase,out P, out M);
return U;
}
internal double GetTensionBranchCapacity(HssKConnectionLoadCaseData loadCase, double D, double Qg, double Qf)
{
HssTrussConnectionBranch tensionBranch = loadCase.TensionBranch;
double P_ChordPlastification = CheckChordPlastificationForTensionBranch(loadCase.LoadCaseName, D, Qf, Qg);
double P =Math.Abs(P_ChordPlastification);
//add capacity to branch info
tensionBranch.AddStrengthValue(P, loadCase.LoadCaseName);
return P;
}
internal double GetTensionBranchCapacity(HssKConnectionLoadCaseData loadCase, double D, double Qg, double Qf)
{
HssTrussConnectionBranch tensionBranch = loadCase.TensionBranch;
double P_ChordPlastification = CheckChordPlastificationForTensionBranch(loadCase.LoadCaseName, D, Qf, Qg);
double P = Math.Abs(P_ChordPlastification);
//add capacity to branch info
tensionBranch.AddStrengthValue(P, loadCase.LoadCaseName);
return(P);
}
internal double GetCompressionBranchCapacity(HssKConnectionLoadCaseData loadCase, double D, double Qg, double Qf)
{
HssTrussConnectionBranch compressionBranch = loadCase.CompressionBranch;
double P_ChordPlastification = CheckChordPlastificationForCompressionBranch(loadCase.LoadCaseName, D, Qf, Qg);
double P_ShearYielding = GetBranchShearYielding(compressionBranch);
double P = Math.Min(Math.Abs(P_ChordPlastification), Math.Abs(P_ShearYielding));
//add capacity to branch info here
compressionBranch.AddStrengthValue(P, loadCase.LoadCaseName);
return P;
}
internal double GetCompressionBranchCapacity(HssKConnectionLoadCaseData loadCase, double D, double Qg, double Qf)
{
HssTrussConnectionBranch compressionBranch = loadCase.CompressionBranch;
double P_ChordPlastification = CheckChordPlastificationForCompressionBranch(loadCase.LoadCaseName, D, Qf, Qg);
double P_ShearYielding = GetBranchShearYielding(compressionBranch);
double P = Math.Min(Math.Abs(P_ChordPlastification), Math.Abs(P_ShearYielding));
//add capacity to branch info here
compressionBranch.AddStrengthValue(P, loadCase.LoadCaseName);
return(P);
}
internal void DetermineTensionCompressionBranches(List<string> loadCaseList)
{
//prior to calculation of connection capacity need to determine
//which branches are nesion and which are compression
foreach (var caseName in loadCaseList)
{
HssTrussConnectionBranch compBranch = null;
HssTrussConnectionBranch tensBranch = null;
foreach (var b in Branches)
{
//chnage this!!!!
double Fx = b.Forces.Where(f => f.LoadCaseName == caseName).ToList()[0].Fx; // first item in found forces
if (Fx<=0.0)
{
compBranch = b;
}
else
{
tensBranch = b;
}
}
HssKConnectionLoadCaseData data=null;
if (compBranch!=null && tensBranch!=null)
{
data = new HssKConnectionLoadCaseData(caseName, compBranch, tensBranch);
}
else
{
throw new Exception("Failed to identify tension and compression branches in the connection");
}
if (this.loadCases == null)
{
loadCases = new Dictionary<string, HssKConnectionLoadCaseData>();
}
loadCases.Add(caseName,data);
}
}
internal void DetermineTensionCompressionBranches(List <string> loadCaseList)
{
//prior to calculation of connection capacity need to determine
//which branches are nesion and which are compression
foreach (var caseName in loadCaseList)
{
HssTrussConnectionBranch compBranch = null;
HssTrussConnectionBranch tensBranch = null;
foreach (var b in Branches)
{
//chnage this!!!!
double Fx = b.Forces.Where(f => f.LoadCaseName == caseName).ToList()[0].Fx; // first item in found forces
if (Fx <= 0.0)
{
compBranch = b;
}
else
{
tensBranch = b;
}
}
HssKConnectionLoadCaseData data = null;
if (compBranch != null && tensBranch != null)
{
data = new HssKConnectionLoadCaseData(caseName, compBranch, tensBranch);
}
else
{
throw new Exception("Failed to identify tension and compression branches in the connection");
}
if (this.loadCases == null)
{
loadCases = new Dictionary <string, HssKConnectionLoadCaseData>();
}
loadCases.Add(caseName, data);
}
}
