Based on the finite element calculation results, some failure reasons of the pipeline system and the improving methods are discussed.
通过热胀应力和自重应力的系统分析，探讨了该管系的失效原因及其改进措施。
Described are the development target, main technical features and parameters, main structure, finite element calculation results and testing of the 4d-axle welding frame type bogies.
介绍了4d轴焊接构架式转向架的研制目标、主要技术特点和参数、主要结构、有限元计算结果及试验情况。
The finite element calculation results further showed that, the computation formulation of the adhesive interface shear stress of CFRP and steel, proposed by this paper, is effective.
粘结界面剪应力的有限元计算结果进一步表明，本文提出的CFRP与钢板的界面粘结剪应力计算公式是有效的。
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