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首页> 美国政府科技报告 >Laminated Composite Shell Element Using Absolute Nodal Coordinate Formulation and Its Application to ANCF Tire Model.
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Laminated Composite Shell Element Using Absolute Nodal Coordinate Formulation and Its Application to ANCF Tire Model.

机译：采用绝对节点坐标公式的层合复合壳单元及其在aNCF轮胎模型中的应用。

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摘要

In this investigation, a laminated composite shell element of the absolute nodal coordinate formulation (ANCF) is developed for application to the modeling of fiber-reinforced rubber (FRR) structure of the physics-based ANCF tire model. The complex deformation coupling exhibited in fiber-reinforced composite materials can be automatically considered in the shear deformable laminated composite shell element using the continuum mechanics approach, and the element lockings are systematically eliminated by the assumed natural strain and enhanced strain approaches, thereby leading to a locking-free shear deformable ANCF composite shell element. Furthermore, various nonlinear material models can be considered for each layer in a way same as solid elements. Using the ANCF composite shell element developed, a physics-based ANCF tire model is developed by considering the detailed tire geometry and material properties. The experimental validation of the tire model is conducted for the load-deflection curve to ensure that the fundamental structural tire properties can be correctly captured in the ANCF tire model.

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