Stress and strain of elastic beam under inertial load was analyzed, and modal analysis of elastic structure was figured out.
分析了在惯性载荷作用下的弹性梁的应力及应变，并对弹性结构进行了模态分析。
The satisfactory results are obtained by using concrete calculative examples, A new method is provided to carry out finite element stress analysis for different modulus material.
经过实例分析计算，获得了满意的结果。 为对这类材料的结构进行有限元应力分析提供了一种新方法。
In summary, the stress analysis, the stress intensity evaluation and the optimization for the ultra-high pressure polythene reactive tube have been carried out.
对超高压聚乙烯反应管进行了应力分析、强度评定及结构的优化设计等项研究。
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