Lightweight optimization method for automobile frame

A car frame and optimization method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as high cost, low competitiveness, and long development cycle, and achieve the effect of weight reduction

Active Publication Date: 2019-05-31
JIANGLING MOTORS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on this, the purpose of the present invention is to solve the problem that in the prior art, there are still some automobile manufacturers in China who do not have effective generalization and lightweight development technology, which makes the product development cycle long and the cost high, resulting in weak competitiveness The problem

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  • Lightweight optimization method for automobile frame
  • Lightweight optimization method for automobile frame
  • Lightweight optimization method for automobile frame

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Embodiment Construction

[0037] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. A preferred embodiment of the invention is shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0039] At pre...

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Abstract

The invention relates to an automobile frame lightweight optimization method which comprises the following steps: according to preset modeling parameters, carrying out entity modeling on an automobileframe to obtain a frame entity model; Carrying out topological optimization analysis on the frame solid model according to a preset torsional rigidity boundary condition so as to determine an optimization area corresponding to a frame middle cross beam in the automobile frame, and carrying out structure optimization on the frame middle cross beam; And according to a shell grid model established by the frame entity model and a preset bending boundary condition, carrying out size optimization on girders on two opposite sides in the automobile frame to obtain an optimal section size and an optimal material thickness. According to the automobile frame lightweight optimization method provided by the invention, the overall torsional rigidity and bending rigidity of the automobile frame can be ensured, and the product quality is further improved.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a method for optimizing the weight of an automobile frame. Background technique [0002] With the increasing requirements of the country for energy saving and emission reduction and the intensification of competition in the automobile industry, how to apply advanced structural design technology to the structural design of the automobile frame to realize the weight reduction and light weight of the frame, so as to meet the increasingly stringent regulations of the country Requiring and improving product competitiveness will become the key factor for the survival of automotive OEMs in the future. [0003] Platform-based development technology, that is, to achieve generalization and light weight as much as possible under the premise of meeting the performance bandwidth, so that various models such as SUV and MPV models have a large number of common body parts, thereby minimizing...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 陈为欢段龙杨黄晖余显忠邱星王伟夏昌华陈磊余祯琦
Owner JIANGLING MOTORS
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