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A topology optimization method for internal and external rib structure of gear transmission box

A technology of gear transmission and topology optimization, applied in design optimization/simulation, geometric CAD, special data processing applications, etc., can solve problems such as lack of effective optimization methods

Active Publication Date: 2021-01-29
BEIJING INST OF SPACE LAUNCH TECH +1
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Problems solved by technology

[0004] The purpose of the present invention is to provide a topology optimization method for the internal and external rib structure of the gear transmission box, to solve the technical problem of lack of effective optimization methods applied to the structural design of the gear box

Method used

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  • A topology optimization method for internal and external rib structure of gear transmission box
  • A topology optimization method for internal and external rib structure of gear transmission box
  • A topology optimization method for internal and external rib structure of gear transmission box

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Embodiment Construction

[0037] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] Such as figure 1 As shown, the topology optimization method of the internal and external rib structure of the gear transmission box in this embodiment includes:

[0039] Step 10: Establish the initial topology model of the internal and external rib structure of the gear transmission box.

[0040] The initial topological model includes forming an initial topological space. Taking the formation of a space container as an example, including but not limited to the space outline of the container entity, inside the container entity, hollowing out the installation part space formed locally by the container entity, increasing the redundant thickness of the container entity, and determining the space height of the installation parts (such as bearings) bit height).

[0041] Step 20: Determine the optimization area of ​​the initial topology mod...

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Abstract

The topology optimization method of the internal and external rib structure of the gear transmission box of the present invention includes: establishing the initial topology model of the internal and external rib structure of the gear transmission box; determining the optimization area of ​​the initial topology model; determining the member characteristics and processing of the initial topology model direction; determine the displacement characteristics of the initial topology model; perform topology optimization of the initial topology model according to the optimization area, member characteristics, processing direction and displacement characteristics, and gradually establish the finite element model of the container entity. The adaptability of the structural rigidity and resonance strength of the box to different working conditions is guaranteed. And there is no significant increase in structural weight.

Description

technical field [0001] The invention relates to a structure optimization method, in particular to a gear transmission case structure optimization method. Background technique [0002] Structural topology optimization is an emerging technology that combines topology and computer technology and is applied in the fields of computational mechanics and image processing. Topology optimization seeks a certain layout of the structure in a given area (such as whether the structure has holes, the location and number of holes, and the connection mode of the structure, etc.), so that it can achieve the optimal design goal under certain constraints ( such as the lightest structural mass). Structural topology optimization makes people no longer limited to passively analyze and check a given structural scheme in structural design, but actively seeks the optimal structure on the basis of structural analysis. [0003] The transmission and transfer box are thin-walled box structures. In ord...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/23G06F30/17
CPCG06F30/17G06F30/23
Inventor 张庆李洪彪闫惠东周洽其他发明人请求不公开姓名
Owner BEIJING INST OF SPACE LAUNCH TECH
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