When the load boundaries vary with time and under the dynamics loads, the mesh generator can derefinement and re-refinement dynamically mesh with moving of stress concentration region.
当荷载作用边界随时间变化及在动力荷载作用下，网格生成器可随应力集中区域的变化而动态退化与再加密网格。
The influences of moving load on shear stress and bending moment are analysed by static characteristics, and the reliability of crane is studied with MonteCarlo method.
通过静态特性研究，分析了移动荷载对结构的剪力、弯矩和应力的影响，分别确定了剪力值最大、弯矩值最大和应力最大的位置。
The time-history curve of stress, stress path and curves of the principal stress axes rotation of soil element under and beside the load moving line are presented.
给出荷载移动线正下方和荷载移动线外土单元应力的时程曲线、应力路径、主应力轴方向变化曲线。
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