为火炮炮尾炮闩设计提供了一个更有效实用的结构校核手段。
Those yield a more effective means for the evaluation of strength and stiffness design of gun breech mechanism.
基于多体力学理论，采用ADAMS软件平台建立了炮闩系统的虚拟样机。
Based on the theory of Multi-body Dynamics, we adopt ADAMS simulation platform and establish virtual prototype of breech mechanism.
该文针对火炮炮尾炮闩机构提出了对其进行装配体有限元分析的方法和建模原理。
The principle and methodology of assembly level finite element modeling and analysis of gun breech mechanism were put forward in this paper.
基于VB6.0、ACCESS2000和SQL语言编制了某型炮闩机构的故障信息数据库系统。
Based on VB6.0, ACCESS2000 and SQL language, this paper designs some breech mechanism failure information database system.
对某闭气炮闩简化模型，将该方法的结果与有限元数值模拟的结果进行了对比，验证了所建模型和计算公式的合理性。
Simultaneously, the comparison of the results from the method developed in this paper to the FEM results for a simplified model of a practical instance shows the reasonability of the method.
利用大型非线性有限元MARC ，对某自动迫击炮浮动炮闩闭气结构，进行了三维装配体有限元建模和动态弹塑性分析，获得了关键闭气构件的应力、塑性应变和变形的动态响应。
D assembly FE modeling and dynamic elastoplastic analysis are carried out for the obturator structure of a floating gun breech mechanism by using nonlinear finite element code MSC MARC.
根据降低应力集中的理论和技术措施，在现有常用的炮尾闩室圆角的基础上，提出了十几种圆角形式。
Based on different theories and techniques for the reduction of stress concentration, and on the basis of forms of breech ring fillets in general use, over a dozen of fillet forms are proposed.
根据降低应力集中的理论和技术措施，在现有常用的炮尾闩室圆角的基础上，提出了十几种圆角形式。
Based on different theories and techniques for the reduction of stress concentration, and on the basis of forms of breech ring fillets in general use, over a dozen of fillet forms are proposed.
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