When treating the finite element models of the composite structure, this paper presents a "virtual beam" element mode relaxation method for the accordance of different elements.
在处理组合结构有限元模型时，对不同类型单元之间的协调提出一种“虚梁”单元节点松弛方法。
By using of virtual work principle and the unit-load method, the elastic-plastic process of loading and deflection of a beam with one degree of indeterminacy under an even load is analyzed.
通过虚功原理和单位荷载法分析了均布荷载作用下一次超静定梁的弹塑性加载及变形过程。
A photon virtual source model was developed for simulating arbitrary shape and intensity distributions of external beam using Monte Carlo method.
本文应用蒙特卡罗算法建立了一个光子虚拟源模型，用于模拟计算任意形状和强度的外照射放射治疗的射束分布。
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