在建立管线模型时，接头简化为刚性，管线简化为弹性地基梁。
The joints are predigested as rigid joints and pipelines are predigested as elastic groundsill girders.
运用弹塑性有限元法，研究了胶粘剂弹性模量对含间隙的铝合金单搭接接头上应力分布的影响。
The effect of elastic modulus of adhesive on the str ess distribution in aluminium alloy single lap joint was investigated using elastic-plastic finite element method(FEM).
这表明在弹性阶段，文中提出的模型能较好反映纵缝接头的受力状态。
It illustrates that at the elastic stage this model can reflect the loading state of the joint.
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