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Stability design method for composite sandwich panel

A composite material and design method technology, applied in design optimization/simulation, computer-aided design, calculation, etc., can solve problems such as FRP wall panel stability calculation problems, and achieve the effect of preventing stability damage

Active Publication Date: 2021-09-03
SOUTHWEST JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Composite sandwich panels are a major exploration of applying FRP materials to engineering practice. However, in order to promote this component in prefabricated buildings, it is inevitable to face the calculation problem of the stability of FRP wall panels.

Method used

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  • Stability design method for composite sandwich panel
  • Stability design method for composite sandwich panel
  • Stability design method for composite sandwich panel

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Embodiment Construction

[0074] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0075] Such as figure 1 and figure 2 As shown, the method for designing the stability of composite sandwich panels in this program is characterized in that it includes the following steps:

[0076] S1: According to the overall buckling failure mode of the composite sandwich panel, establish the corresponding critical buckling load calculation model;

[0077] Composite sandwich panels are composed of upper and lower panel...

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Abstract

The invention discloses a stability design method for a composite sandwich panel. The method comprises the following steps: establishing a critical buckling load calculation model, carrying out stress analysis on the calculation model, deducing an Euler buckling load calculation formula, and designing a reasonable composite sandwich panel structure by utilizing the Euler buckling load calculation formula. According to the invention, the influence of the height-width ratio of the wallboard and the number of the webs on the critical buckling load of the composite sandwich board is considered, and through calculation of the method, the optimal wallboard structure capable of preventing stability damage can be obtained by changing the number of the webs and the width of the board.

Description

technical field [0001] The invention relates to the technical field of composite material application, in particular to a method for designing the stability of a composite material sandwich panel. Background technique [0002] As a high-performance material, fiber-reinforced composite materials have excellent properties such as light weight, high strength, corrosion resistance, and fatigue resistance. Compared with traditional prefabricated building materials, components made of FRP materials have both high strength and light weight. , easy hoisting, corrosion resistance and other excellent properties, the application of FRP materials to prefabricated buildings will greatly promote the development of prefabricated buildings. [0003] Composite sandwich panels are a major exploration of applying FRP materials to engineering practice. However, in order to promote this component in prefabricated buildings, it is inevitable to face the calculation of the stability of FRP wall pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F30/10G06F113/24G06F113/26G06F119/14
CPCG06F30/20G06F30/10G06F2113/26G06F2113/24G06F2119/14
Inventor 刘艳辉杨柳王先刚李甜魏黎蒋朋博方腾海
Owner SOUTHWEST JIAOTONG UNIV
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