静载作用下大位移桥梁伸缩装置的应力分析_建筑工程管理论文 关键词：桥梁伸缩装置，三维有限元模型，静载 [gap=311]Key words: bridge expansion deviee，three dimension finite element model，Static load
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This paper developed a three dimension finite element model to analyze stress distribution on residual limb of crus under lumped loads with different displacement constraint conditions.
通过建立三维线性有限元模型来分析在集中载荷作用下小腿肢体残端的应力分布，且分析了不同边界条件对肢体残端应力分布的影响。
Three-dimension finite element model is built according to the actual structural characteristic of suspension pipe bridge.
按照悬索式管桥的实际结构特点，建立了三维有限元模型。
Based on three-dimension finite element model, transient temperature field in nozzle was calculated.
基于三维有限元模型，计算了喷管的瞬时温度场。
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