Compressive Buckling Test Method and Equipment for Laser Welded Panel Structures

A technology of laser welding and testing methods, applied in design optimization/simulation, instruments, geometric CAD, etc., to achieve the effect of rapid modeling

Active Publication Date: 2022-03-18
武汉光谷航天三江激光产业技术研究院有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The double-sided laser simultaneous welding technology has become the general trend to replace the traditional riveting process, but this laser welding technology is still in a blank state in related fields, especially for the compressive buckling performance test of the laser simultaneous welding wall plate structure is basically zero

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Compressive Buckling Test Method and Equipment for Laser Welded Panel Structures
  • Compressive Buckling Test Method and Equipment for Laser Welded Panel Structures
  • Compressive Buckling Test Method and Equipment for Laser Welded Panel Structures

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. In addition, the technical features in each embodiment or a single embodiment provided by the present invention can be combined arbitrarily with each other to form a feasible technical solution. This combination is not restricted by the sequence of steps and / or structural composition mode, but it must be Based on the ability of those skilled in...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a compression buckling test method and equipment for laser-welded panel structures, comprising: constructing a first shell-solid model of a laser-welded panel structure; dividing unit grids on the first shell-solid model, and The elastoplastic parameters of the material are applied to the corresponding cell meshes to obtain the second shell-solid model; the displacement boundary conditions and load application methods are set for the second shell-solid model, the eigenvalue buckling equation is solved, and the eigenvalues ​​and critical values ​​are calculated. Buckling load to obtain the compressive buckling mode; copy the second shell-solid model, input the compressive buckling mode, defect size and residual stress into the second shell-solid model, set the RIKS analysis steps and historical output variables, and solve the nonlinear buckling equation , to obtain the reaction force, strain and displacement data information during the compressive buckling process of the panel structure. The invention can quantitatively study the compression failure load, strain and displacement of the laser welded panel structure.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of panel structural strength, and in particular to a compression buckling test method and equipment for laser-welded panel structures. Background technique [0002] The future development trend of civil aircraft is green, efficient, and fast. Compared with traditional civil aircraft, future civil aircraft will have more stringent requirements for weight reduction and emission reduction. Therefore, lighter aircraft structural materials and more reasonable structural connections are selected. It is particularly important to realize the lightweight of the aircraft in form. It has become a general trend to replace the traditional riveting process with double-sided laser simultaneous welding technology, but this laser welding technology is still in a blank state in related fields, especially for the compressive buckling performance test of the laser simultaneous welded panel structure is bas...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/23G06F30/15G06F119/14
CPCG06F30/23G06F30/15G06F2119/14
Inventor 张澐龙何崇文万楚豪李方志郑增超吴佳妮庹文海
Owner 武汉光谷航天三江激光产业技术研究院有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap