Accurate modeling method for vehicle flexible connection

A technology of flexible connection and modeling method, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve problems such as failure, and achieve the effect of high accuracy, high practicability, and accurate data sources

Active Publication Date: 2021-06-25
FAW CAR CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] The purpose of the present invention is to provide a flexible connection collision simulation method of automobile parts which is simple and convenient, has high engineering application precision and strong universality, so as to solve the problem of accurate Problems reflecting the failure and mechanical properties of flexible connections

Method used

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  • Accurate modeling method for vehicle flexible connection
  • Accurate modeling method for vehicle flexible connection
  • Accurate modeling method for vehicle flexible connection

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with embodiment:

[0039] 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 here 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, only some structures related to the present invention are shown in the drawings but not all structures.

[0040] It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", etc. are only used to distinguish descriptions, and cannot be understood as indicating or implying relative...

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Abstract

The invention relates to an accurate modeling method for vehicle flexible connection which comprises two parts: 1, a part-level test: obtaining mechanical properties and failure parameters of flexible connection by a test; 2, carrying out building and test calibration of a simulation model to ensure consistency of a simulation result and a test result. According to the accurate modeling method for the vehicle flexible connection, component-level test method is simple and reliable, the universality is high, the engineering realizability is high, and the analogue simulation method is high in precision; Parameters used in the method are all obtained from a component level test, a whole vehicle level test and analogue simulation, data sources are accurate, the calibration method is high in feasibility, simulation of flexible connection of different vehicles can be achieved, mechanical properties and failure characteristics of the vehicles can be accurately simulated, an accurate deformation mode of the component in whole vehicle collision is obtained. Therefore, the collision resistance simulation precision of the whole vehicle structure, especially the simulation precision of medium and low speed collision, can be improved.

Description

technical field [0001] The invention belongs to the technical field of automobile safety, and in particular relates to an accurate simulation modeling method for flexible connections of vehicles. Background technique [0002] In vehicle development, flexible connection is a commonly used connection method for some key components. The accuracy of flexible connection modeling directly affects the development and analysis of the crashworthiness of the vehicle structure, especially the accuracy of the simulation analysis results of medium and low speed crashes. [0003] The prior art discloses a CAE simulation method for laser welding of auto parts, which includes the following steps: Step 1, test the mechanical properties of the joint at the sample level, and obtain laser welding through the sample test of lap joint and fillet joint. The mechanical characteristic parameters of the laser welding head; Step 2, the establishment and calibration of the detailed model of the laser ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F30/15G06F119/14
CPCG06F30/23G06F30/15G06F2119/14Y02T90/00
Inventor 穆光刘月杰赵彦超王小龙毕思刚王建勋陈哲
Owner FAW CAR CO LTD
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