基于弹性理论，建立了复合材料脱层梁的基本方程式。
The basic equations are built on the basis of elastic theory.
若从弹性波方程出发，则可考虑面波能量。
If we start with elastic wave equation, surface wave energy can be considered as well.
本文讨论非线性弹性动力学方程组的外问题。
In this paper, we deal with the exterior problem for the nonlinear elastodynamic system.
数值结果表明，AMG＿CG法对求解三维弹性问题有限元方程是十分有效和健壮的。
Numerical results have shown that this AMG_CG method is very efficient and robust.
数值结果表明，AMG＿CG法对求解三维弹性问题有限元方程是十分有效和健壮的。
Numerical results have shown that this AMG_CG method is very efficient and robust.
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