An Optimal Design Method for Key Structural Parts of Automobile Suspension

Abstract

The present invention provides a method for optimal design of key structural parts of automobile suspension, comprising the following steps: according to a predetermined development plan of the suspension system, establishing a dynamic model of the suspension system, and obtaining the connection points of the suspension structural parts under typical working conditions Equivalent load; establish the kinematics model of the suspension system mechanism, and determine the initial design domain of the developed structural parts; establish the finite element analysis model of the initial design domain of the developed structural parts; obtain the material distribution of the developed structural parts and determine the basic design domain of the developed structural parts Topological configuration; obtaining the conceptual design model of the developed structural part; obtaining the optimal scheme of each parameter and the optimized design model of the conceptual design model of the developed structural part. The implementation of the embodiment of the present invention can effectively shorten the development cycle of the key structural components of the suspension, and provide reference for the optimal design of other system components of the automobile.

Description

technical field [0001] The invention relates to the field of digital design of automobiles, in particular to an optimal design method for key structural parts of automobile suspension. Background technique [0002] The automobile suspension system determines and affects the ride comfort, handling stability and ride comfort of the vehicle. Suspension system design, especially the development of key structural parts, determines the overall performance, assembly convenience and design versatility of the suspension. [0003] The development of key structural parts of automobile suspension needs to meet the requirements of space, strength and stiffness, technology and fatigue durability. At present, the development work mainly relies on the method of "experience + trial and error", which may easily lead to defects such as space motion interference and material thickness surplus, and cannot meet the requirements of efficient design and cost control. In view of this, domestic aut...

AI Technical Summary

Problems solved by technology

[0005] None of them gave the method of determining the initial design domain of topology optimization, or directly gave the initial geometric design space of the developed structural parts, or directly stated that it was designed according to the hard point arrangement and suspension space requirements, lacking a clear initial design domain design Basis and Determination Method

[0006] In addition, the existing technical solutions have failed to form standardized and systematic development processes and technical methods in terms of development ideas and design processes

Images