Automobile suspension key structure element optimization design method

A technology for optimization design and automotive suspension, applied in computing, special data processing applications, instruments, etc., can solve the problem of not giving the method of determining the initial design domain of topology optimization, lacking the design basis and determination method of the initial design domain, and failing to form Standardization and systematic development process and technical methods and other issues

Active Publication Date: 2015-11-25
GUANGZHOU AUTOMOBILE GROUP CO LTD
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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 spa

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  • Automobile suspension key structure element optimization design method
  • Automobile suspension key structure element optimization design method
  • Automobile suspension key structure element optimization design method

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Embodiment Construction

[0061] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0062] Such as figure 1 Shown is the main flow chart of an embodiment of a method for optimal design of key structural components of an automobile suspension provided by the present invention. In this embodiment, the method includes the following steps:

[0063] Step S10, according to the market positioning of the developed model and the development goal of the whole vehicle, determine the suspension system development plan and set the performance target of key str...

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Abstract

The invention provides an automobile suspension key structure element optimization design method, which comprises the following steps of: building a suspension system kinetic model according to a pre-determined suspension system development scheme, and obtaining an equivalent load of a suspension structure element connecting point under a typical work condition; building a suspension system mechanism kinetic model, and determining an initial design domain of a development structure element; building a limited element analysis model of the initial design domain of the development structure element; obtaining the material distribution of the development structure element and determining a basic topological configuration of the development structure element; obtaining a conceptual design model of the development structure element; and obtaining each parameter optimum scheme of the conceptual design model of the development structure element and an optimization design model. When the embodiment of the invention is implemented, the development period of the suspension key structure element can be effectively shortened; and the reference can be provided for the optimization design of other system parts of an 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...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 林涌周王仲宜谷玉川
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD
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