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首页> 外文会议>International conference on multibody systems, nonlinear dynamics, and control;ASME international design engineering technical conferences and computers and information in engineering conference >DEVELOPMENT OF SHEAR DEFORMABLE LAMINATED SHELL ELEMENT AND ITS APPLICATION TO ANCF TIRE MODEL
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DEVELOPMENT OF SHEAR DEFORMABLE LAMINATED SHELL ELEMENT AND ITS APPLICATION TO ANCF TIRE MODEL

机译：剪切可变形层合壳单元的开发及其在ANCF轮胎模型中的应用

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摘要

In this investigation, a physics-based tire model for multibody vehicle dynamics simulation is developed using the laminated composite shell element based on the absolute nodal coordinate formulation with the transverse slope coordinates. The shell element accounts for the complex deformation coupling exhibited in fiber-reinforced composite rubber materials used in tires, and the element lockings are systematically eliminated by the assumed natural strain and enhanced strain approaches. Furthermore, various nonlinear material models including incompressible rubber material models can be considered for each layer in a way same as solid elements. The load-deflection curve and the contact patch lengths are validated against the test data to ensure that the fundamental structural tire properties can be correctly captured by the tire model.
机译：在这项研究中，基于层状复合壳单元，基于具有横向坡度坐标的绝对节点坐标公式，开发了基于物理的轮胎模型，用于多体车辆动力学仿真。壳单元解决了轮胎中使用的纤维增强复合橡胶材料中表现出的复杂变形耦合问题，并且通过假定的自然应变和增强应变方法来系统地消除了单元锁定。此外，可以以与实体元素相同的方式针对每一层考虑各种非线性材料模型，包括不可压缩的橡胶材料模型。根据测试数据验证了载荷-挠度曲线和接触面片的长度，以确保轮胎模型可以正确地捕捉轮胎的基本结构特性。

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