public static Dictionary<string, object> ChordSidewallLocalCripplingStrength(string HssTrussConnectionMemberType, string HssTrussConnectionClassification, CustomProfile MainBranchSection, double theta_main, string AxialForceTypeMain,
CustomProfile SecondaryBranchSection, double theta_sec, string AxialForceTypeSecondary, double F_yb, CustomProfile ChordSection, double F_yc, bool IsTensionChord,
double P_uChord, double M_uChord, double O_v, string Code = "AISC360-10")
{
//Default values
double phiP_nMain = 0;
double phiP_nSec = 0;
bool IsApplicableMain = false;
bool IsApplicableSecn = false;
//Calculation logic:
#region Evaluate and update input
HssTrussConnectionMemberType _MemberType;
HssTrussConnectionClassification _Class;
AxialForceType _MainBranchForceType;
AxialForceType _SecondaryBranchForceType;
ISectionHollow _MainBranchSection;
ISectionHollow _SecondaryBranchSection;
ISectionHollow _ChordSection;
bool IsValidMemType = Enum.TryParse(HssTrussConnectionMemberType, true, out _MemberType);
if (IsValidMemType == false)
{
throw new Exception("Failed to convert string. HssTrussConnectionMemberType must be either RHS (rectanguar HSS) or CHS (circular HSS) . Please check input.");
}
bool IsValidIClass = Enum.TryParse(HssTrussConnectionClassification, true, out _Class);
if (IsValidIClass == false)
{
throw new Exception("Failed to convert string. HssTrussConnectionClassification needs to specify T,Y,X, GappedK or Overlapped K connection type. Please check input.");
}
bool IsValidMainForce = Enum.TryParse(AxialForceTypeMain, true, out _MainBranchForceType);
if (IsValidMainForce == false)
{
throw new Exception("Failed to convert string. Specify force as Tension, Compression or Reversible. Please check input.");
}
bool IsValidSecForce = Enum.TryParse(AxialForceTypeSecondary, true, out _SecondaryBranchForceType);
if (IsValidSecForce == false)
{
throw new Exception("Failed to convert string. Specify force as Tension, Compression or Reversible. Please check input.");
}
if (!(MainBranchSection.Section is ISectionHollow) || !(SecondaryBranchSection.Section is ISectionHollow) || !(ChordSection.Section is ISectionHollow))
{
throw new Exception("Failed to convert section. Section needs to be either a Pipe or a Tube. Please check input.");
}
_MainBranchSection = MainBranchSection.Section as ISectionHollow;
_SecondaryBranchSection = SecondaryBranchSection.Section as ISectionHollow;
_ChordSection = ChordSection.Section as ISectionHollow;
#endregion
HssTrussConnectionFactory factory = new HssTrussConnectionFactory();
IHssTrussBranchConnection conMain = factory.GetConnection(_MemberType, _Class, _ChordSection, _MainBranchSection, _SecondaryBranchSection, F_yc,
F_yb, theta_main, theta_sec, _MainBranchForceType, _SecondaryBranchForceType, IsTensionChord, P_uChord, M_uChord, O_v);
IHssTrussBranchConnection conSec = factory.GetConnection(_MemberType, _Class, _ChordSection, _SecondaryBranchSection, _MainBranchSection, F_yc,
F_yb, theta_sec, theta_main, _SecondaryBranchForceType, _MainBranchForceType, IsTensionChord, P_uChord, M_uChord, O_v);
phiP_nMain = conMain.GetChordSidewallLocalCripplingStrength().Value;
phiP_nSec = conSec.GetChordSidewallLocalCripplingStrength().Value;
IsApplicableMain = conMain.GetChordSidewallLocalCripplingStrength().IsApplicable;
IsApplicableSecn = conSec.GetChordSidewallLocalCripplingStrength().IsApplicable;
return new Dictionary<string, object>
{
{ "phiP_nMain", phiP_nMain }
,{ "phiP_nSec", phiP_nSec }
,{ "IsApplicableMain", IsApplicableMain }
,{ "IsApplicableSecn", IsApplicableSecn }
};
}
public static Dictionary<string, object> ChordWallPlastificationStrength(string HssTrussConnectionMemberType, string HssTrussConnectionClassification, CustomProfile MainBranchSection, double theta_main,
string AxialForceTypeMain,
CustomProfile SecondaryBranchSection, double theta_sec, string AxialForceTypeSecondary, double F_yb, CustomProfile ChordSection, double F_yc, bool IsTensionChord,
double P_uChord, double M_uChord, double O_v, string Code = "AISC360-10")
{
//Default values
double phiP_nMain = 0;
double phiP_nSec = 0;
bool IsApplicableMain = false;
bool IsApplicableSecn = false;
//Calculation logic:
#region Evaluate and update input
HssTrussConnectionMemberType _MemberType;
HssTrussConnectionClassification _Class;
AxialForceType _MainBranchForceType;
AxialForceType _SecondaryBranchForceType;
ISectionHollow _MainBranchSection;
ISectionHollow _SecondaryBranchSection;
ISectionHollow _ChordSection;
bool IsValidMemType = Enum.TryParse(HssTrussConnectionMemberType, true, out _MemberType);
if (IsValidMemType == false)
{
throw new Exception("Failed to convert string. HssTrussConnectionMemberType must be either RHS (rectanguar HSS) or CHS (circular HSS) . Please check input.");
}
bool IsValidIClass = Enum.TryParse(HssTrussConnectionClassification, true, out _Class);
if (IsValidIClass == false)
{
throw new Exception("Failed to convert string. HssTrussConnectionClassification needs to specify T,Y,X, GappedK or Overlapped K connection type. Please check input.");
}
bool IsValidMainForce = Enum.TryParse(AxialForceTypeMain, true, out _MainBranchForceType);
if (IsValidMainForce == false)
{
throw new Exception("Failed to convert string. Specify force as Tension, Compression or Reversible. Please check input.");
}
bool IsValidSecForce = Enum.TryParse(AxialForceTypeSecondary, true, out _SecondaryBranchForceType);
if (IsValidSecForce == false)
{
throw new Exception("Failed to convert string. Specify force as Tension, Compression or Reversible. Please check input.");
}
if (!(MainBranchSection.Section is ISectionHollow) || !(SecondaryBranchSection.Section is ISectionHollow) || !(ChordSection.Section is ISectionHollow))
{
throw new Exception("Failed to convert section. Section needs to be either a Pipe or a Tube. Please check input.");
}
_MainBranchSection = MainBranchSection.Section as ISectionHollow;
_SecondaryBranchSection = SecondaryBranchSection.Section as ISectionHollow;
_ChordSection = ChordSection.Section as ISectionHollow;
#endregion
HssTrussConnectionFactory factory = new HssTrussConnectionFactory();
bool IsKConnection = _Class == Wosad.Steel.AISC.Entities.HssTrussConnectionClassification.GappedK || _Class == Wosad.Steel.AISC.Entities.HssTrussConnectionClassification.OverlappedK ? true : false;
if (IsKConnection == true && _MemberType == Wosad.Steel.AISC.Entities.HssTrussConnectionMemberType.Chs && _MainBranchForceType == AxialForceType.Reversible && _SecondaryBranchForceType == AxialForceType.Reversible)
{
// account for load reversal in branches
IHssTrussBranchConnection conMain1 = factory.GetConnection(_MemberType, _Class, _ChordSection, _MainBranchSection, _SecondaryBranchSection, F_yc,
F_yb, theta_main, theta_sec, AxialForceType.Compression, AxialForceType.Tension, IsTensionChord, P_uChord, M_uChord, O_v);
IHssTrussBranchConnection conMain2 = factory.GetConnection(_MemberType, _Class, _ChordSection, _MainBranchSection, _SecondaryBranchSection, F_yc,
F_yb, theta_main, theta_sec, AxialForceType.Tension, AxialForceType.Compression, IsTensionChord, P_uChord, M_uChord, O_v);
IHssTrussBranchConnection conSec1 = factory.GetConnection(_MemberType, _Class, _ChordSection, _SecondaryBranchSection, _MainBranchSection, F_yc,
F_yb, theta_sec, theta_main, AxialForceType.Compression, AxialForceType.Tension, IsTensionChord, P_uChord, M_uChord, O_v);
IHssTrussBranchConnection conSec2 = factory.GetConnection(_MemberType, _Class, _ChordSection, _SecondaryBranchSection, _MainBranchSection, F_yc,
F_yb, theta_sec, theta_main, AxialForceType.Tension, AxialForceType.Compression, IsTensionChord, P_uChord, M_uChord, O_v);
SteelLimitStateValue main1 = conMain1.GetChordWallPlastificationStrength(true);
SteelLimitStateValue main2 = conMain2.GetChordWallPlastificationStrength(true);
SteelLimitStateValue sec1 = conSec1.GetChordWallPlastificationStrength(true);
SteelLimitStateValue sec2 = conSec2.GetChordWallPlastificationStrength(true);
phiP_nMain = Math.Min(main1.Value, main2.Value);
phiP_nMain = Math.Min(sec1.Value, sec2.Value);
IsApplicableMain = main1.IsApplicable;
IsApplicableSecn = sec1.IsApplicable;
}
else
{
IHssTrussBranchConnection conMain = factory.GetConnection(_MemberType, _Class, _ChordSection, _MainBranchSection, _SecondaryBranchSection, F_yc,
F_yb, theta_main, theta_sec, _MainBranchForceType, _SecondaryBranchForceType, IsTensionChord, P_uChord, M_uChord, O_v);
IHssTrussBranchConnection conSec = factory.GetConnection(_MemberType, _Class, _ChordSection, _SecondaryBranchSection, _MainBranchSection, F_yc,
F_yb, theta_sec, theta_main, _SecondaryBranchForceType, _MainBranchForceType, IsTensionChord, P_uChord, M_uChord, O_v);
SteelLimitStateValue main = conMain.GetChordWallPlastificationStrength(true);
SteelLimitStateValue sec = conSec.GetChordWallPlastificationStrength(true);
phiP_nMain = main.Value;
phiP_nSec = sec.Value;
IsApplicableMain = main.IsApplicable;
IsApplicableSecn = sec.IsApplicable;
}
return new Dictionary<string, object>
{
{ "phiP_nMain", phiP_nMain }
,{ "phiP_nSec", phiP_nSec }
,{ "IsApplicableMain", IsApplicableMain }
,{ "IsApplicableSecn", IsApplicableSecn }
};
}
