The reason for generating the false stress in a transition element connecting a solid element to a thin shell element for stress analysis is considered.
分析了体—壳过渡元中产生“虚假应力”现象的根本原因，给出了两种改进方法。
This element can be used as solid element and can also be used to model thin curved shell structures.
该单元既可用做实体单元，又可模拟薄曲壳结构，在厚跨比非常小的情况下也能获得令人满意的精度。
According to Finite Element Method, the impactor is considered as a discrete mass system in terms of 3D solid element with initial velocity, and 2D shell element is used for target plate.
首先采用有限元法，将撞击体离散成由三维实体单元构成的具有一定初始速度的离散质量系统，对靶板采用二维壳单元离散。
With this solid-type shell element, satisfactory resolution can be ensured even if a relatively coarse FE mesh is employed, and this element can be easily connected with other solid type elements.
这种实体型壳元既可以用较粗的网格很好地模拟层合壳，又易与三维实体单元相连接，使变厚度、带有补强的复合材料层合壳体等复杂结构得以正确建模。
The finite element method (FEM) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
采用有限元方法，对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
The finite element method (FEM) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
采用有限元方法，对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
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