By applying formal asymptotic analysis and Laplace transformation, we obtain two-dimensional model system of linearly viscoelastic 「flexural」 shell from three-dimensional equations.
应用形式渐近分析和拉普拉斯变换,我们从三维线性粘弹性方程组得到二维线性粘弹性弯壳的数学模型。
On the basis of the governing equations and the asymptotic expansion of the stress fields proposed by Gao and Hwang, a generally asymptotic analysis is performed.
基于基本方程组和高玉臣、黄克智提出的应力场的渐近展开式作了渐近分析。
An elastic viscoplastic material model was adopted to the asymptotic analysis on power law and logarithmic singularity of dynamic growing crack tip.
本文利用弹-粘-塑性材料力学模型,对动态扩展裂纹尖端的指数奇异性和对数奇异性进行了渐近分析。