文章摘要信息 关键词 ： 残余应力； 拘束力； 多体耦合； 有限元 [gap=1351]Keywords : residual stress;restraining force;multi-body coupling;finite element
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A dynamic model for a kind of spacial multi-body vibration system with elastic coupling was built.
对一类具有弹性连接的空间多刚体振动系统建立动力学模型。
Some important factors are considered, which include variable mass of recoiling parts and coupling between multi body dynamic equations and interior ballistic equations.
重点考虑后坐部分变质量、多体动力学方程与内弹道方程的耦合等因素。
In order to provide new proof for accident reconstruction, the method of occupant kinematics reconstruction using the coupling of momentum-based method and multi-body dynamics method was studied.
为了向交通事故再现提供新的依据，研究了动量冲量法与多体动力学法结合的乘员运动仿真，提出了两类算法的耦合方法。
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