The structure simplification of the open boxcar, choosing elements type, and disposing the boundary and restriction of the model are introduced.
基于有限元分析方法，对运煤敞车的结构简化、单元选取、边界及约束处理等建模技术进行阐述。
A new wireless echo algorithm is described based on table actuation, stratification and simplification structure.
概要叙述了一种基于表驱动的、分层结构的、简化的回波算法。
This paper also discussed the practical simplification of complicated structure, the complex modeling method of different kinds of element, and contact analysis problems.
在课题研究中，还探讨了复杂结构的合理简化、多种单元混合建模以及接触分析等问题。
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