金属橡胶的角锥模型及有限元分析  

Pyramids Model of Metal-rubber and Its FEM Analysis

作　　者：李明森[1] 吴新跃[1] 张文群[1] 张萌[1] 

机构地区：[1]海军工程大学船舶与动力学院,武汉430033

出　　处：《机械科学与技术》2009年第6期779-782,共4页Mechanical Science and Technology for Aerospace Engineering

基　　金：国防预研基金项目(501010302)资助

摘　　要：以细不锈钢丝为原材料,经特定工艺制成的金属橡胶构件具有优良的非线性机械性能,在减振、密封等领域有很大的应用优势。笔者通过建立金属橡胶的角锥模型,利用有限元分析软件,对试件成形方向的循环压缩性能进行了仿真分析,仿真结果与实验结果基本一致。该模型能有效描述试件干摩擦阻尼性能的迟滞回线,考察相对密度的改变对结果的影响,为加工前期金属橡胶构件阻尼性能的预估和成型工艺中相对密度的确定提供了科学的依据。Metal-rubber（ MR）, made of stainless steel wire by special molding art, can be used in seal and vibration isolation fields for its good nonlinear characteristics. A pyramids model of MR is constructed in this paper. The finite element analysis software ANSYS11. 0 is used to simulate the MR＇s compressive loop behavior in forming pressure direction. The simulation results are hysteresis loops, which match the experimental results approximately. The influence of the relative density on damping characteristics is simulated and analyzed. The method provides an important way for estimating MR damping characteristics, and it is helpful for selecting an appropriate relative density of MR in the molding process.

关 键 词：金属橡胶 非线性 角锥模型 有限元法 

分 类 号：TB331[一般工业技术—材料科学与工程]