1) dynamic stiffness/belated initial stress method
动刚度/差时初应力法
2) Belated initial stress method
差时初应力法
3) Initial stress stiffness
初应力刚度
4) initial stress stiffness matrix
初应力刚度矩阵
1.
To take into account the P-Δ effects of planar beam-column members subjected to varying axial forces,a two-node planar beamcolumn element was proposed,and the elemental initial stress stiffness matrix was derived according to Minimum Potential Principle.
为了考虑平面梁柱构件在变化轴向荷载作用下的P-Δ效应,本文采用二节点平面梁柱单元,根据最小势能原理推导了单元的初应力刚度矩阵,并分别阐述了应用该单元求解结构临界荷载因子及迭代计算荷载-位移反应的方法。
2.
To take into account theP-Δeffects of beam-column members in a planar frame structure subjected to varying axial forces,a three-node planar beam-column element is formulated by adopting three-point interpolation Hermite polynomials as its shape functions,and the elemental linear stiffness matrix and initial stress stiffness matrix are derived according to the minimum potential principle.
为了考虑平面框架结构中梁柱构件在变化轴向荷载作用下的P—Δ效应,采用三节点平面梁柱单元,选用三点插值的Hermite多项式作为其形函数,根据最小势能原理推导了单元线性刚度矩阵和初应力刚度矩阵,并分别阐述了应用该单元求解结构屈曲荷载因子及迭代计算荷载—位移反应的方法。
5) dynamic stiffness method
动力刚度法
1.
For free vibration analysis of skeletal structures, dynamic stiffness method (DSM) is an exact method.
在杆系结构的自由振动分析中,动力刚度法(DSM)是一种精确的算法。
6) Dymanic stiffness matrix
动力直接刚度法
补充资料：初下匙时
【初下匙时】
谓初下匙时，心须想念：愿我此生，所有身口意一切恶业，悉令断尽。
谓初下匙时，心须想念：愿我此生，所有身口意一切恶业，悉令断尽。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条