private bool IsMemberDOFRigid(bool[] bNodeDOF, ArrayList iMemberCollection, CNRelease NRelease, e3D_DOF eDOF)
{
if (NRelease == null) // No release at point - support restraints are governing
if (iMemberCollection == null || iMemberCollection.Count == 1) // None or just one FEM Member is connected, means free end - support DOF are governing
return bNodeDOF[(int)eDOF];
else // Node is connected to two or more members, releases are necessary to define DOF
return true; // Two members connection is rigid as default if no release exists
else
{
// Some release exists
if (iMemberCollection == null || iMemberCollection.Count == 1) // None or just one FEM Member is connected, means free end
{
// default Node DOF are false, therefore it is always false if no support exist in node
if (bNodeDOF[(int)eDOF] == true && NRelease.m_bRestrain[(int)eDOF] == true)
return true;
else
return false;
}
else
{
// More members is connected, do not take into account nodal support, just member releases
if (NRelease.m_bRestrain[(int)eDOF] == true) // Release DOF rigid restraint exist and is ridig
return true;
else
return false;
}
}
}
private FEM_CALC_BASE.Enums.EElemSuppType2D Get_iElemSuppType2D_Part_UR(e3D_DOF eDOF_U, e3D_DOF eDOF_R)
{
// Is DOF rigid?
// true - 1 - yes, it is
// false - 0 - no, it isnt
// true - 1 restraint (infinity rigidity) / false - 0 - free (zero rigidity)
if (
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// 00_00
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_00_00;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// 00 _ __
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_00___;
}
else if
(
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// __ _ 00
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl____00;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// 00 _ 0_
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_00_0_;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// 0_ _ 00
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_0__00;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// 00 _ _0
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_00__0;
}
else if
(
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// _0 _ 00
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl__0_00;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// 0_ _ 0_
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_0__0_;
}
else if
(
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// _0 _ _0
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl__0__0;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// 0_ _ __
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_0____;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// __ _ 0_
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl____0_;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// _0 _ __
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl__0___;
}
else if
(
IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_U) &&
!IsMemberDOFRigid(NodeStart.m_ArrNodeDOF, NodeStart.m_iMemberCollection, Member.CnRelease1, eDOF_R) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_U) &&
!IsMemberDOFRigid(NodeEnd.m_ArrNodeDOF, NodeEnd.m_iMemberCollection, Member.CnRelease2, eDOF_R)
)
{
// __ _ _0
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl_____0;
}
else
{
// __ _ __ // Not supported member !!! or other not implemented restraint conditions
return FEM_CALC_BASE.Enums.EElemSuppType2D.eEl______;
}
}
