public ChsTrussTConnection(SteelChsSection Chord, SteelChsSection MainBranch, double thetaMain, AxialForceType ForceTypeMain,
SteelChsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord): base( Chord, MainBranch, thetaMain, ForceTypeMain,
SecondBranch, thetaSecond, ForceTypeSecond, IsTensionChord,
P_uChord, M_uChord)
{
}
public ChsTrussYConnection(SteelChsSection Chord, SteelChsSection MainBranch, double thetaMain, AxialForceType ForceTypeMain,
SteelChsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord) : base(Chord, MainBranch, thetaMain, ForceTypeMain,
SecondBranch, thetaSecond, ForceTypeSecond, IsTensionChord,
P_uChord, M_uChord)
{
}
public RhsTYXTrussBranchConnection(SteelRhsSection Chord, SteelRhsSection BranchMain, double thetaMain,
SteelRhsSection BranchSecondary, double thetaSecondary, AxialForceType ForceTypeMain, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord)
: base( Chord, BranchMain, thetaMain, ForceTypeMain, BranchSecondary, thetaSecondary, ForceTypeSecond, IsTensionChord, P_uChord, M_uChord)
{
}
public ChsTrussBranchConnection(SteelChsSection Chord, SteelChsSection MainBranch, double thetaMain, AxialForceType ForceTypeMain,
SteelChsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord): base(IsTensionChord,P_uChord,M_uChord)
{
this.Chord = Chord;
this.MainBranch =MainBranch ;
this.thetaMain =thetaMain ;
}
//no overrides compared to base RhsTYXTrussConnection class
public RhsTrussYConnection(SteelRhsSection Chord, SteelRhsSection MainBranch, double thetaMain,
SteelRhsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeMain, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord)
: base(Chord, MainBranch, thetaMain, SecondBranch, thetaSecond, ForceTypeMain, ForceTypeSecond, IsTensionChord,
P_uChord, M_uChord)
{
if (thetaSecond != thetaMain)
{
throw new Exception("Please specify same angles theta_Main and theta_Second for Y connection");
}
if (MainBranch.Section.B != SecondBranch.Section.B || MainBranch.Section.H != SecondBranch.Section.H)
{
throw new Exception("Please specify same values for main and secondary branch for Y connection.");
}
}
public RhsTrussXConnection(SteelRhsSection Chord, SteelRhsSection MainBranch, double thetaMain,
SteelRhsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeMain, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord)
: base(Chord, MainBranch, thetaMain, SecondBranch, thetaSecond, ForceTypeMain, ForceTypeSecond, IsTensionChord,
P_uChord, M_uChord)
{
if (ForceTypeMain == AxialForceType.Tension && ForceTypeSecond != AxialForceType.Tension)
{
throw new Exception("Specify the same type of force for both branches or switch to K connection");
}
if (ForceTypeSecond == AxialForceType.Tension && ForceTypeMain != AxialForceType.Tension)
{
throw new Exception("Specify the same type of force for both branches or switch to K connection");
}
}
public RhsTrussXConnection(SteelRhsSection Chord, SteelRhsSection MainBranch, double thetaMain,
SteelRhsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeMain, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord)
: base(Chord, MainBranch, thetaMain, SecondBranch, thetaSecond, ForceTypeMain, ForceTypeSecond, IsTensionChord,
P_uChord, M_uChord)
{
if (ForceTypeMain == AxialForceType.Tension && ForceTypeSecond != AxialForceType.Tension )
{
throw new Exception("Specify the same type of force for both branches or switch to K connection");
}
if (ForceTypeSecond == AxialForceType.Tension && ForceTypeMain != AxialForceType.Tension)
{
throw new Exception("Specify the same type of force for both branches or switch to K connection");
}
}
/// <summary>
/// K-connection base class
/// NOTE THAT IT IS CRITICAL TO SPECIFY MAIN BRANCH AS COMPRESSION BRANCH
/// </summary>
/// <param name="Chord">Chord object instance</param>
/// <param name="MainBranch">Branch object instance</param>
/// <param name="thetaMain">Main branch angle</param>
/// <param name="ForceTypeMain">Main branch force type</param>
/// <param name="SecondBranch">Branch object instance</param>
/// <param name="thetaSecond">Secondary branch angle</param>
/// <param name="ForceTypeSecond">Secondary branch force type</param>
/// <param name="IsTensionChord">Identifies if branch is in tension</param>
/// <param name="P_uChord">Design axial force in chord</param>
/// <param name="M_uChord">Design moment in chord</param>
/// <param name="g">Gap</param>
public ChsTrussKConnection(SteelChsSection Chord, SteelChsSection MainBranch, double thetaMain, AxialForceType ForceTypeMain,
SteelChsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord, double g): base( Chord, IsTensionChord,
P_uChord, M_uChord)
{
this.g = g;
#region Assign chord sections based on forces
if (ForceTypeMain == AxialForceType.Compression && ForceTypeSecond == AxialForceType.Compression)
{
throw new Exception("Branch force types need to be specified to have opposite signs for K conncection");
}
if (ForceTypeMain == AxialForceType.Tension && ForceTypeSecond == AxialForceType.Tension)
{
throw new Exception("Branch force types need to be specified to have opposite signs for K conncection");
}
//if (ForceTypeMain == AxialForceType.Reversible && ForceTypeSecond == AxialForceType.Reversible)
//{
// this.MainBranch = MainBranch;
// this.thetaMain = thetaMain;
// this.ForceTypeMain = ForceTypeMain;
// this.SecondBranch = SecondBranch;
// this.thetaSecond = thetaSecond;
// this.ForceTypeSecond = ForceTypeSecond;
//}
//if (ForceTypeMain == AxialForceType.Compression && ForceTypeSecond == AxialForceType.Reversible)
//{
this.MainBranch = MainBranch;
this.thetaMain = thetaMain;
this.ForceTypeMain = ForceTypeMain;
this.SecondBranch = SecondBranch;
this.thetaSecond = thetaSecond;
this.ForceTypeSecond = ForceTypeSecond;
//}
//if (ForceTypeMain == AxialForceType.Tension && ForceTypeSecond == AxialForceType.Reversible)
//{
// this.MainBranch = SecondBranch;
// this.thetaMain = thetaSecond;
// this.ForceTypeMain = ForceTypeSecond;
// this.SecondBranch = MainBranch;
// this.thetaSecond = thetaMain;
// this.ForceTypeSecond = ForceTypeMain;
//}
#endregion
}
//no overrides compared to base RhsTYXTrussConnection class
public RhsTrussYConnection(SteelRhsSection Chord, SteelRhsSection MainBranch, double thetaMain,
SteelRhsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeMain, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord)
: base(Chord, MainBranch, thetaMain, SecondBranch, thetaSecond, ForceTypeMain, ForceTypeSecond, IsTensionChord,
P_uChord, M_uChord)
{
if (thetaSecond != thetaMain)
{
throw new Exception("Please specify same angles theta_Main and theta_Second for Y connection");
}
if (MainBranch.Section.B != SecondBranch.Section.B || MainBranch.Section.H != SecondBranch.Section.H)
{
throw new Exception("Please specify same values for main and secondary branch for Y connection.");
}
}
/// <summary>
/// K-connection base class
/// NOTE THAT IT IS CRITICAL TO SPECIFY MAIN BRANCH AS COMPRESSION BRANCH
/// </summary>
/// <param name="Chord">Chord object instance</param>
/// <param name="MainBranch">Branch object instance</param>
/// <param name="thetaMain">Main branch angle</param>
/// <param name="ForceTypeMain">Main branch force type</param>
/// <param name="SecondBranch">Branch object instance</param>
/// <param name="thetaSecond">Secondary branch angle</param>
/// <param name="ForceTypeSecond">Secondary branch force type</param>
/// <param name="IsTensionChord">Identifies if branch is in tension</param>
/// <param name="P_uChord">Design axial force in chord</param>
/// <param name="M_uChord">Design moment in chord</param>
/// <param name="g">Gap</param>
public ChsTrussKConnection(SteelChsSection Chord, SteelChsSection MainBranch, double thetaMain, AxialForceType ForceTypeMain,
SteelChsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord, double g) : base(Chord, IsTensionChord,
P_uChord, M_uChord)
{
this.g = g;
#region Assign chord sections based on forces
if (ForceTypeMain == AxialForceType.Compression && ForceTypeSecond == AxialForceType.Compression)
{
throw new Exception("Branch force types need to be specified to have opposite signs for K conncection");
}
if (ForceTypeMain == AxialForceType.Tension && ForceTypeSecond == AxialForceType.Tension)
{
throw new Exception("Branch force types need to be specified to have opposite signs for K conncection");
}
//if (ForceTypeMain == AxialForceType.Reversible && ForceTypeSecond == AxialForceType.Reversible)
//{
// this.MainBranch = MainBranch;
// this.thetaMain = thetaMain;
// this.ForceTypeMain = ForceTypeMain;
// this.SecondBranch = SecondBranch;
// this.thetaSecond = thetaSecond;
// this.ForceTypeSecond = ForceTypeSecond;
//}
//if (ForceTypeMain == AxialForceType.Compression && ForceTypeSecond == AxialForceType.Reversible)
//{
this.MainBranch = MainBranch;
this.thetaMain = thetaMain;
this.ForceTypeMain = ForceTypeMain;
this.SecondBranch = SecondBranch;
this.thetaSecond = thetaSecond;
this.ForceTypeSecond = ForceTypeSecond;
//}
//if (ForceTypeMain == AxialForceType.Tension && ForceTypeSecond == AxialForceType.Reversible)
//{
// this.MainBranch = SecondBranch;
// this.thetaMain = thetaSecond;
// this.ForceTypeMain = ForceTypeSecond;
// this.SecondBranch = MainBranch;
// this.thetaSecond = thetaMain;
// this.ForceTypeSecond = ForceTypeMain;
//}
#endregion
}
public RhsTYXTrussBranchConnection(SteelRhsSection Chord, SteelRhsSection BranchMain, double thetaMain,
SteelRhsSection BranchSecondary, double thetaSecondary, AxialForceType ForceTypeMain, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord)
: base(Chord, BranchMain, thetaMain, ForceTypeMain, BranchSecondary, thetaSecondary, ForceTypeSecond, IsTensionChord, P_uChord, M_uChord)
{
}
public RhsTrussBranchConnection(SteelRhsSection Chord, SteelRhsSection MainBranch, double thetaMain, AxialForceType ForceTypeMain,
SteelRhsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord) : base(IsTensionChord, P_uChord, M_uChord)
{
this.Chord = Chord;
this.MainBranch = MainBranch;
this.thetaMain = thetaMain;
this.SecondBranch = SecondBranch;
this.thetaSecond = thetaSecond;
this.ForceTypeMain = ForceTypeMain;
this.ForceTypeSecond = ForceTypeSecond;
}
public IHssTrussBranchConnection GetConnection(HssTrussConnectionMemberType MemberType,
HssTrussConnectionClassification Classification, ISectionHollow ChordSection, ISectionHollow MainBranchSection,
ISectionHollow SecondaryBranchSection, double F_yChord, double F_yBranch,
double thetaMainBranch, double thetaSecondaryBranch, AxialForceType ForceTypeMainBranch,
AxialForceType ForceTypeSecondaryBranch, bool IsTensionChord,
double P_uChord, double M_uChord,
double O_v = 0)
{
if (MemberType == HssTrussConnectionMemberType.Rhs)
{
if (ChordSection is ISectionTube && MainBranchSection is ISectionTube && SecondaryBranchSection is ISectionTube)
{
SteelMaterial matChord = new SteelMaterial(F_yChord);
SteelRhsSection Chord = new SteelRhsSection(ChordSection as ISectionTube, matChord);
SteelMaterial matBr = new SteelMaterial(F_yBranch);
SteelRhsSection MainBranch = new SteelRhsSection(MainBranchSection as ISectionTube, matBr);
SteelRhsSection SecondaryBranch = new SteelRhsSection(SecondaryBranchSection as ISectionTube, matBr);
switch (Classification)
{
case HssTrussConnectionClassification.T:
return(new RhsTrussTConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.Y:
return(new RhsTrussYConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.X:
return(new RhsTrussXConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.GappedK:
return(new RhsTrussGappedKConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.OverlappedK:
return(new RhsTrussOverlappedConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord, M_uChord, O_v));
break;
default:
throw new Exception("Connection classification not recognized.");
break;
}
}
else
{
throw new Exception("One of the member section is not of type ISectionTube. Ensure that a rectangular hollow section object type is used for chord and branches.");
}
}
else
{
throw new NotImplementedException("Circular HSS truss connections are not supported yet.");
}
}
public IHssTrussBranchConnection GetConnection(HssTrussConnectionMemberType MemberType,
HssTrussConnectionClassification Classification, ISectionHollow ChordSection, ISectionHollow MainBranchSection,
ISectionHollow SecondaryBranchSection, double F_yChord, double F_yBranch,
double thetaMainBranch, double thetaSecondaryBranch, AxialForceType ForceTypeMainBranch,
AxialForceType ForceTypeSecondaryBranch, bool IsTensionChord,
double P_uChord, double M_uChord,
double O_v=0)
{
if (MemberType == HssTrussConnectionMemberType.Rhs)
{
if (ChordSection is ISectionTube && MainBranchSection is ISectionTube && SecondaryBranchSection is ISectionTube)
{
SteelMaterial matChord = new SteelMaterial(F_yChord);
SteelRhsSection Chord = new SteelRhsSection(ChordSection as ISectionTube, matChord);
SteelMaterial matBr = new SteelMaterial(F_yBranch);
SteelRhsSection MainBranch = new SteelRhsSection(MainBranchSection as ISectionTube, matBr);
SteelRhsSection SecondaryBranch = new SteelRhsSection(SecondaryBranchSection as ISectionTube, matBr);
switch (Classification)
{
case HssTrussConnectionClassification.T:
return new RhsTrussTConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord);
break;
case HssTrussConnectionClassification.Y:
return new RhsTrussYConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord);
break;
case HssTrussConnectionClassification.X:
return new RhsTrussXConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord);
break;
case HssTrussConnectionClassification.GappedK:
return new RhsTrussGappedKConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord,M_uChord);
break;
case HssTrussConnectionClassification.OverlappedK:
return new RhsTrussOverlappedConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord, M_uChord,O_v);
break;
default:
throw new Exception("Connection classification not recognized.");
break;
}
}
else
{
throw new Exception("One of the member section is not of type ISectionTube. Ensure that a rectangular hollow section object type is used for chord and branches.");
}
}
else
{
throw new NotImplementedException("Circular HSS truss connections are not supported yet.");
}
}
public RhsTrussOverlappedConnection(SteelRhsSection Chord, SteelRhsSection MainBranch, double thetaMain,
SteelRhsSection SecondBranch, double thetaSecond, AxialForceType ForceTypeMain, AxialForceType ForceTypeSecond, bool IsTensionChord,
double P_uChord, double M_uChord,
double O_v)
: base(Chord, MainBranch, thetaMain, ForceTypeMain, SecondBranch, thetaSecond, ForceTypeSecond, IsTensionChord, P_uChord, M_uChord)
{
this.O_v = O_v;
}
