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Three-dimensional heat-structure coupling analysis method for carbon fiber wrapped composite material cylinders

A technology of winding composite materials and coupling analysis, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the complex thermal-structural coupling analysis, and it is difficult to find thermal-structural coupling performance analysis methods for carbon fiber winding composite materials and other problems, to achieve the effect of simple analysis method, significant practical significance, and wide application value

Inactive Publication Date: 2018-05-29
镇江春环密封件集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Based on this, people have conducted a series of studies on the thermal-structural coupling of composite materials; however, based on the anisotropy of materials in composite materials, the thermal-structural coupling analysis is more complicated, and it is difficult to find a method that can accurately perform carbon fiber Analytical Method for Thermal-Structural Coupling Performance of Wound Composite Materials

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  • Three-dimensional heat-structure coupling analysis method for carbon fiber wrapped composite material cylinders
  • Three-dimensional heat-structure coupling analysis method for carbon fiber wrapped composite material cylinders

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Embodiment 1

[0033] The invention provides a three-dimensional thermal-structural coupling analysis method of a carbon fiber wound composite material cylinder, comprising the following steps:

[0034] S101: Establish an overall finite element analysis model of the carbon fiber wound composite material in the finite element analysis software ANSYS. Among them, the raw material components of the carbon fiber winding composite material include: 43 parts by weight of carbon fiber, 1 part by weight of polypropylene with a number average molecular weight of 300000, 1 part by weight of polycarbonate with a number average molecular weight of 80000, and 1 part by weight of polycarbonate with a number average molecular weight of 1 part by weight of polysulfone of 30000, 3 parts by weight of magnesium, 2 parts by weight of europium, 9 parts by weight of manganese, and 2 parts by weight of aluminum.

[0035] S102: Carry out mesh division on the three-dimensional model obtained by modeling in S101. Am...

Embodiment 2

[0039] The invention provides a three-dimensional thermal-structural coupling analysis method of a carbon fiber wound composite material cylinder, comprising the following steps:

[0040] S101: Establish an overall finite element analysis model of the carbon fiber wound composite material in the finite element analysis software ANSYS. Among them, the raw material components of the carbon fiber winding composite material include: 50 parts by weight of carbon fiber, 2 parts by weight of polyamide with a number average molecular weight of 100000, 2 parts by weight of polyvinyl chloride with a number average molecular weight of 90000, and 6 parts by weight of lanthanum 6 parts by weight, 6 parts by weight of manganese and 6 parts by weight of aluminum.

[0041] S102: Carry out mesh division on the three-dimensional model obtained by modeling in S101. Among them, the grid division specifically includes: using 20-node three-dimensional solid coupling elements, each node includes 3 ...

Embodiment 3

[0045] The invention provides a three-dimensional thermal-structural coupling analysis method of a carbon fiber wound composite material cylinder, comprising the following steps:

[0046] S101: Establish an overall finite element analysis model of the carbon fiber wound composite material in the finite element analysis software ANSYS. Among them, the raw material components of the carbon fiber winding composite material include: 35 parts by weight of carbon fiber, 2 parts by weight of polyphenylene ether with a number average molecular weight of 200,000, 2 parts by weight of polycarbonate with a number average molecular weight of 50,000, magnesium 5 parts by weight, 6 parts by weight of copper and 6 parts by weight of aluminum.

[0047] S102: Carry out mesh division on the three-dimensional model obtained by modeling in S101. Among them, the grid division specifically includes: using 20-node three-dimensional solid coupling elements, each node includes 3 degrees of freedom of d...

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Abstract

The invention relates to a three-dimensional heat-structure coupling analysis method for carbon fiber wrapped composite material cylinders. The method comprises the following steps of: S101, establishing an integral finite element analysis model for carbon fiber wrapped composite materials in finite element analysis software ANSYS; S102, carrying out mesh generation on the three-dimensional modelobtained in the step S101; S103, applying a convection load on an external surface and applying a displacement constraint and a temperature boundary condition on a boundary; and S104, carrying out heat conduction solution and stress solution on the model obtained in the step S103. According to the analysis method provided by the invention, a thick-walled cylinder is taken as a geometric model, heat stress distribution condition of the inner wall of the thick-walled cylinder is calculated, and the analysis method is simple and easy to operate; the analysis result can provide guidance for the subsequent design and performance of the thick-walled cylinder, so that a wide application value is provided, and practical significance is provided for various engineering fields in which carbon fiberwrapped composite structures are applied.

Description

technical field [0001] The invention relates to the technical field of composite material performance detection, in particular to a three-dimensional thermal-structure coupling analysis method of a carbon fiber wound composite material cylinder. Background technique [0002] As we all know, filament wound composites have the advantages of high specific strength, high specific stiffness, and corrosion resistance, and have been widely used in aerospace, energy transmission, and pressure vessels. Among them, carbon fiber composite materials have the characteristics of general carbon materials, such as: friction resistance, electrical conductivity, thermal conductivity and corrosion resistance, etc. At the same time, they also have excellent fatigue resistance and impact resistance properties, especially with ultra-high strength-to-weight ratio And hardness to weight ratio, so it is widely used in the fields of aerospace and automobile industry. To date, carbon fiber composites...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/23
Inventor 孙九霄陆野刘刚
Owner 镇江春环密封件集团有限公司
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