From the basic equations of a linear viscoelastic solid, we introduce general expressions of displacement so that the problem is reduced to solving a linear integral equation.
直接从线性粘弹性基本方程着手，引进位移的一般表达式，将问题归结为求解一个线性积分方程。
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。
Based on an effective nonlinear viscoelastic model, the differential constitutive equation and strain-rate equation of solid composite propellants are induced.
根据一个有效的非线性粘弹模型，导出复合固体推进剂微分形式本构方程和应变速率关系式。
Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
据此，在标准线性固体模型的基础上，考虑损伤内变量的演化，建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
Solid rocket propellant is a kind of high filled granular composite with viscoelastic behavior so that the experimental researches on its fracture are very difficult.
固体火箭推进剂是一种粘弹性高聚物，同时又是颗粒基复合材料。其断裂实验难度较大。
Solid rocket propellant is a kind of high filled granular composite with viscoelastic behavior so that the experimental researches on its fracture are very difficult.
固体火箭推进剂是一种粘弹性高聚物，同时又是颗粒基复合材料。其断裂实验难度较大。
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