...日坐标相结合解法、交替方向解法和有限单元法的基本思想,提出了求解二维饱和-非饱和溶质运移问题的交替方向特征有限单元法(ADCG)。计算实例结果表明,ADCG集这三种解法之优点,在克服数值弥散和数值波动方面和提高计算速度方面具有显著的优越性。
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生成反映结构物理特征和几何特征的自适应有限元网格是应用自适应有限单元法的必要环节。
So how to generate adaptive finite element mesh that can reflect physical and geometric characteristics of the structure is a necessary step to apply AFEA.
应用曲杆有限单元法建立曲线梁桥的实用分析方法，并考虑了曲线梁桥的非径向支承特征。
Applying the theory of curved beam FEM, a practical method of structure analysis of curved bridge is build when considering the sidelong support.
该模型的独特之处在于：基于有限元特征法得到的奇异性场数值特征解建立了一种新型界面端奇异单元。
The characteristic of this model is: a new interface edge singular element model is derived based on the numerical fundamental solutions obtained from the finite element eigensolutions method.
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