高铁大变形橡胶止挡非线性刚度特性曲线计算精度分析

baozang

【英文篇名】 Analysis on computation accuracy of nonlinear stiffness performance curve for large-deformation rubber stopper of high-speed train
8 P6 a6 `* q/ K. O" z: U1 F8 W% D【作者中文名】 刘建勋; 黄友剑; 张亚新; 侯之超;
【作者英文名】 LIU Jianxun1; HUANG Youjian1; Zhang Yaxin1; HOU Zhichao2（1.Zhuzhou times new material technolgoy Co.; Ltd.; Zhuzhou 412007; Hunan; China; 2.Automotive Engineering Department; Tsinghua University; Beijing 100084; China）;
" y6 `# b; G8 J& r, s3 G/ ~, Q【作者单位】 株洲时代新材料科技股份有限公司; 清华大学汽车工程学院;
* q9 K3 T" [0 `* J  N) y【文献出处】 计算机辅助工程, Computer Aided Engineering, 编辑部邮箱 2011年 01期  
期刊荣誉：ASPT来源刊  CJFD收录刊
【关键词】 高铁; 橡胶止挡; 非线性刚度; 计算精度;
【英文关键词】 high-speed train; rubber stopper; nonlinear stiffness; computation accuracy;
8 j: @7 a. ^' m1 h8 U: I( q$ X$ @$ x【摘要】 针对某型高铁橡胶止挡的有限元静态刚度特性曲线与实验结果存在较大误差的问题,从实验与分析相结合的角度剖析发生偏差的原因,提出从实验方案、本构模型选择和接触定义等3方面进行优化分析的思路.分析与实验结果表明:实验条件符合准静态的假定、本构模型包含高应力、体积压缩效应,接触定义符合橡胶真实接触状态,这些措施可使分析结果更符合实际情况,为准确分析类似橡胶止挡的静态刚度特性曲线提供参考.
1 ~9 v4 B6 r, t( X( N) V【英文摘要】 As to the large error between the experiment results and the static stiffness performance curve obtained by finite element analysis for the rubber stopper of a high-speed train,the reason about the error is analyzed by combining experiment and analysis,and the idea of the optimization analysis is proposed from three aspects,including experiment scheme,constructive model selection and contact definition.The analysis and the experiment result indicate that some effective measures should be taken to ensure

每天洗衣做饭

时代新材的文章，反正他们单位现在啥东西都要非线性一下