Topology optimization-based cobweb-like interlayer rib plate composite structure design method

Abstract

The invention discloses a topology optimization-based cobweb-like interlayer rib plate composite structure design method, which comprises the following steps of: 1, performing a static analysis on an original structural component to obtain a deformation cloud chart; 2, performing a topological optimization design on the structural component to obtain a topological optimization unit pseudo-density diagram; 3, finding the position of a largest deformation zone from the deformation cloud chart of the structural component; 4, arranging annular regular parallels and regular meridian lines of the structural component; 5, determining the arrangement density of the regular meridian lines; 6, arranging irregular meridian lines on some parts of the component; 7, combining the topology optimization to obtain a hollow component structure; 8, making a thin layer plate on the upper layer of the cobweb-like interlayer rib plate to fully envelope the cobweb-like rib plate, so that the middle interlayer becomes a composite structure of the cobweb-like rib plate; and 9, repeatedly improving the original component according to the steps. The invention has scientific concept and a novel structure, can meet the requirement of aerospace on light weight design, and has good practical value and wide application prospect in the engineering and technology field.

Description

(1) Technical field [0001] The invention relates to a design method of a composite structure of imitation spider web interlayer rib plate based on topology optimization, in particular to the lightweight design of components and machine tool component structures in aerospace, aviation and other military fields, and is a structural design method. It belongs to the technical field of lightweight design of aerospace and various mechanical structures. (2) Background technology [0002] The development of aerospace technology has put forward higher requirements for the design of various aircraft. It has become the focus of research to increase the speed of the aircraft while ensuring its reliability, which makes the lightweight design of the aircraft more and more important. [0003] Machining technology requires machine tools to have high acceleration and high precision. This requires that the moving parts of the machine tool have small mass and high stiffness, that is, the spec...

AI Technical Summary

Problems solved by technology

At present, most researchers regard the composition of spider silk as the main content of their research, but there are few studies on the structure of spider webs.

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