Design method of bionic spider web composite material structure

Abstract

The invention discloses a design method of a bionic spider web composite material structure, comprising seven steps as follows: (1) performing static force analysis on stress of an original structure by finite-element analysis software to obtain a stress deformation cloud chart of the structure; (2) finding out the position of the maximum deformation region from the deformation cloud chart of the structure; (3) selectively arranging annular and arc-shaped regular latitudes and regular longitudes, wherein the maximum radius thereof is equal to or larger than the radius of the maximum deformation concentrated region; (4) arranging the regular longitudes in the mode that the regular longitudes are diffused to the periphery along the centers of the annular and arc-shaped regular latitudes, wherein the density of the longitudes is determined according to the order of magnitude of deformation of the maximum deformation concentrated region and the maximum deformation region; (5) arranging irregular longitudes along the gradient direction of deformation of the regions outside the maximum deformation concentrated region; (6) removing parts of materials from the sections of the structure having smaller stress deformation so as to form a hollow structure and reduce the whole mass of the structure; and (7) performing repeated design improvement on the original structure based on the above steps until the requirement is met.

Description

(1) Technical field [0001] The invention relates to a design method of a bionic spider web composite material structure, in particular to the lightweight design of components in military fields such as aerospace and aviation, and the structure of machine tool components, and is a structure 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 specific stiffness of the moving structural p...

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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