Finite element models of a complete stump socket contains geometric model, material characteristics, load condition and model boundary condition.
一个完整的残肢接受腔有限元模型包括几何模型、材料特性、载荷状况和模型边界条件。
The characteristic of this model is only to know basic and natural boundary condition, then the stream function and flow velocity required on the boundary are obtained.
这一模型的特点只需要知道边界上的基本边界条件和自然边界条件，就可以得到边界上所需要求的流函数和水流速度；
The optimal mathematical model of the double universal spindle must satisfy the constraints of strength, rigidity, vibration condition, stability and boundary condition.
双万向轴的优化数学模型必须满足强度、刚度、振动条件、稳定性及边界条件的约束。
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