本文用三维弹塑性有限元法计算了含圆孔对称复合材料层板的层间应力分布。
In this paper, the interlaminar stress distributions of symmetric composite laminates with a hole are predicted by the three-dimensional elastoplastic finite element method.
利用三维有限元计算弹塑性地基中不同基础在水平力与竖向力作用下交错桁架体系的变形与内力。
The three dimensions FEM is used to investigate the displacement and forces of staggered truss with different foundation in elastoplastic ground under horizontal and vertical loads.
针对旧污水沉降罐在安装刮泥机后的受力可靠性问题，建立了简化力学模型和三维弹塑性有限元模型。
The simplified mechanical model and three-dimensional elastic-plastic finite element models was found to analyze the reliability of sewage settling tanks equipped with scraping sludge machine.
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