Unlock instant, AI-driven research and patent intelligence for your innovation.

Finite element modeling method of simulating contact

A modeling method and finite element technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as convergence problems, difficult troubleshooting, heavy workload, etc., to reduce modeling time, The effect of reducing the manual steps and reducing the risk of errors

Active Publication Date: 2013-06-12
CHERY AUTOMOBILE CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These steps only complete a pair of contacts. In the CAE analysis of automobiles, many pairs of contacts are often used in one working condition. This is a heavy workload and error-prone, and such errors often lead to convergence problems. Not easy to troubleshoot

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Finite element modeling method of simulating contact
  • Finite element modeling method of simulating contact

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Below with reference to the accompanying drawings, through the description of the implementation examples, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between each part, the role and working principle of each part, etc., will be further described. detailed instructions.

[0017] Such as figure 1 , the finite element modeling method of the simulated contact of the present invention, comprises the following steps:

[0018] A: Basic modeling: including a: Geometry cleaning: To ensure that uniform and qualified finite element meshes can be divided into geometric models; b: Basic mesh division: According to the size and thickness of parts, choose to use shell elements or The solid element is meshed; c: the shell element mesh is translated to the mid-plane;

[0019] B: Assign corresponding nonlinear materials to each part according to the design requirements in turn;

[0020] C: establish cont...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a finite element modeling method based on nonlinear simulating contact, which comprises three steps of basic modeling, material attribute assignment and selection of a corresponding contact normal judgment function according to the finite element type of the contact. According to the finite element modeling method, automation of modeling is increased, the step of manual setting is reduced, time of modeling is shortened, and risks of errors are reduced.

Description

technical field [0001] The invention relates to the technical field of automobile auxiliary computer design, in particular to a finite element modeling method for simulating contact. Background technique [0002] The current automotive computer-aided design (CAE) technology has been widely used in the automotive development process. Collision safety, NVH, reliability and other performance requirements are increasingly inseparable from CAE work, which not only reduces the test cost but also reduces the design cycle. In order to improve the accuracy of CAE results, it is necessary to keep the finite element model and the actual data as consistent as possible. The modeling of contact is very critical, and it will greatly affect the transmission of displacement and stress among various components. [0003] At present, there are three commonly used types of contact in automotive CAE analysis: the contact between shell elements, the contact between shell elements and solid elemen...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 王昌胜黄茁
Owner CHERY AUTOMOBILE CO LTD