Three-dimension analysis of solid rocket motor grain was presented based on incompressible and nearly incompressible viscoelastic finite element method.
基于不可压和近似不可压粘弹性有限元法，对固体火箭发动机药柱进行了三维分析。
This paper analyzes the natural frequency and modal loss factor of stiffened plates with viscoelastic damping treatment by finite element method.
对敷设粘弹性阻尼的加筋板的固有频率和模态损耗因子进行了分析。
The finite element method for analyzing dynamic problem of viscoelastic structure is briefly discussed.
同时也概略地介绍了单一粘弹性结构动力问题的有限元方法。
Stochastic parameter sensitivity of SRM grain structure was analyzed based on viscoelastic stochastic finite element method(VSFEM) and polynomial regression model.
基于粘弹性随机有限元法（VSFEM）和多项式回归模型，分析了固体火箭发动机药柱结构的随机参数灵敏度。
Stochastic parameter sensitivity of SRM grain structure was analyzed based on viscoelastic stochastic finite element method(VSFEM) and polynomial regression model.
基于粘弹性随机有限元法（VSFEM）和多项式回归模型，分析了固体火箭发动机药柱结构的随机参数灵敏度。
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