BOT中建立上图所示的力学模型。此力学模型的节点编号、杆件编号见下图。计算参数此力学模型的受力:CaseLoadTypeListLoadValues1self-weight1to7PZNegative1uniformload2to7PZ=7.03(kN/m)1uniformload1PY=6.31(kN/m)型材截面特性:SectionNameBarListAX(mm^2)AY(mm^2)AZ(mm^2)IX(mm^4)IY(mm^4)IZ(mm^4)300X12113824.0006624.0006624.000286654464.000191434752.000191434752.000180X100X82to74224.0001344.0002624.00015175695.51517723392.0006899712.000杆件参数:BarNode1Node2SectionMaterialLength(m)Gamma(Deg)Type112300X12STEEL10.900.0N/A234180X100X8STEEL2.500.0N/A356180X100X8STEEL2.500.0N/A478180X100X8STEEL2.500.0N/A5910180X100X8STEEL2.500.0N/A61112180X100X8STEEL2.500.0N/A71314180X100X8STEEL2.500.0N/A节点参数:NodeX(m)Y(m)Z(m)SupportCodeSupport1-11279.006924.120.0xxxxxxFixed2-11268.106924.120.0xxxxxxFixed3-11278.906924.120.04-11278.906921.620.05-11274.646924.120.06-11274.646921.620.0