Large-scale finite element analysis method for rubber bushing

A rubber bushing and analysis method technology, applied in the direction of instrumentation, geometric CAD, design optimization/simulation, etc., can solve problems such as inapplicability, huge calculation time consumption, small geometric features, etc., to reduce the time and reduce the number of grids , the effect of improving efficiency

Pending Publication Date: 2022-08-09
一汽解放青岛汽车有限公司 +1
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Problems solved by technology

For large-scale finite element nonlinear calculations (such as composite air suspension systems), it is impractical to carry out finite element modeling and analysis of rubber bushings directly according to the actual model, because the actual rubber bushing products are for To obtain a sufficiently large radial stiffness, metal plates are generally added to the rubber, and the geometric characteristics of the rubber layer and the metal layer are generally small, and the structure is relatively complicated. If the actual rubber bushi

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  • Large-scale finite element analysis method for rubber bushing
  • Large-scale finite element analysis method for rubber bushing
  • Large-scale finite element analysis method for rubber bushing

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[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.

[0037] In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements....

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Abstract

The invention belongs to the technical field of rubber bushing manufacturing, and discloses a large-scale finite element analysis method for a rubber bushing. According to the large-scale finite element analysis method for the rubber bushing, a simplified rubber bushing model is used, grids are divided, model parameters needed by simulation calculation are obtained through the design value of the rubber bushing, on the premise that the simulation accuracy is not reduced, the number of the grids needed by simulation calculation is reduced, the time needed by simulation calculation is shortened, and the simulation efficiency is improved. And the efficiency of simulation calculation is improved.

Description

technical field [0001] The invention relates to the technical field of rubber bushing manufacturing, in particular to a large-scale finite element analysis method for rubber bushings. Background technique [0002] Rubber bushings are often used for the connection between various components of commercial vehicle chassis suspensions. While reducing vibration, they also transmit the force between components. Therefore, their own static stiffness (radial stiffness and torsional stiffness) directly affects the assembly components. of stress. For large-scale finite element nonlinear calculations (such as composite air suspension systems), it is impractical to perform finite element modeling and analysis of rubber bushings directly according to the actual model, because the actual rubber bushing products are designed to To obtain a sufficiently large radial stiffness, metal plates are generally added to the rubber, and the geometric features of the rubber layer and the metal layer...

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Application Information

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IPC IPC(8): G06F30/23G06F30/17G06F119/14
CPCG06F30/23G06F2119/14G06F30/17Y02T90/00
Inventor 黑大全黄德惠张排排卢佳张金鹏桂海林
Owner 一汽解放青岛汽车有限公司
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