Construction method and system of heat conduction model of three-dimensional composite material, terminal and medium

Abstract

The invention belongs to the technical field of analysis and calculation of heat conduction performance of a composite material with a spherical particle filling matrix, and discloses a construction method and system of a heat conduction model of a three-dimensional composite material, a terminal and a medium. The construction method of the heat conduction model of the three-dimensional composite material comprises the following steps of: calculating the number of spherical filler particles under a matrix RVE model with a specific side length, a specific volume fraction and a specific particle size, and creating a model; assembling all components and randomly distributing assembly bodies; combining and cutting the assembly bodies to construct an integral material model; establishing a steady-state heat transfer analysis step, applying a temperature boundary condition and dividing grids; calculating the overall heat conductivity coefficient of the composite material. The ABAQUS software is used in the whole process of calculating the heat conductivity coefficient of the composite material, the final result can be calculated without other software tools, and the method is simple and efficient. The calculated heat conductivity coefficient of the composite material is highly matched with an actual result, and a processing result can be predicted and guided.

Description

technical field [0001] The invention belongs to the technical field of thermal conductivity analysis and calculation of composite materials filled with spherical particles, and in particular relates to a construction method, system, terminal and medium of a three-dimensional composite material thermal conductivity model. Background technique [0002] At present, polymer materials have been widely used in the main fields of the national economy such as construction, transportation, agriculture, electrical and electronic industries, and people's daily life. Usually, the thermal conductivity of polymer materials is relatively low, and the heat generated inside the material will be greater than that emitted at the same time. The heat causes the temperature to rise continuously, which further leads to the decomposition and carbonization of the material, and finally loses its original performance. Scholars have proposed that introducing inorganic filler particles with high thermal...

AI Technical Summary

Problems solved by technology

[0005] (1) The experimental method to study the thermal conductivity changes with the shape takes a long time period and the cost is high

[0006] (2) In the ABAQUS / CAE modeling process, due to the complex shape of the composite material and the large number of filling particles, it is difficult to manually create a large number of filling particle parts

[0007] (3) In ABAQUS / CAE, the filling particle parts cannot be randomly distributed by manual operation

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