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。
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.
在设计中运用将“死”单元逐次激活的技术，对钢结构在整个施工过程刚度和荷载的变化情况进行模拟。
The technique to reactivate the "dead" element step by step is employed in the design so as to simulate the changes in stiffness and load of the steel structure in the construction process.
库水温度变化对坝体温度荷载的影响。
The influence of water temperature variation on thermal load on dam body.
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