Analytical method for composite siding based on structural genomics technology

Abstract

The method for analyzing composite material panels based on the structural genome technology of the present invention includes: extracting a representative structural genome from the structural form of the composite panel, establishing a geometric model based on the structural genome, and performing a network on the geometric model. Lattice discretization; using the mechanical properties of the matrix phase and reinforcement phase of the internal structure of the structural genome to obtain the material properties of the structural genome through homogenization theoretical analysis; according to the macrostructure of the composite material siding to establish an analysis model of the composite siding; The material properties of the siding are given an analytical model for the analysis of composite siding. Based on the structural genome technology, the invention establishes the structural genome of the wall plate structure from the periodicity of the composite material wall plate structure, reduces the complexity of modeling the composite material wall plate structure, and greatly shortens the time period on the basis of ensuring the accuracy of the analysis results. Pre-analytical processing time and analysis time for composite siding.

Description

technical field [0001] The invention relates to the technical field of composite material simulation, in particular to a composite material panel analysis method based on structural genome technology. Background technique [0002] Composite materials are obtained by mixing two or more materials through physical or chemical means, and can achieve a good weight reduction effect compared with metal materials. At present, the structure of the wing and fuselage of the aircraft widely uses the panel structure composed of composite material skeleton and skin. The panel structure is a very important load-bearing structure form in the aircraft structure. It is characterized by high utilization rate, which can well meet the conditions of lightweight design of aircraft structure. [0003] The current analysis of composite wall panels is mainly based on engineering algorithms or finite element methods for verification. It is necessary to perform finite element model modeling on the pan...

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Problems solved by technology

[0003] The current analysis of composite wall panels is mainly based on engineering algorithms or finite element methods for verification. It is necessary to carry out finite element model modeling on the panel model according to the geometric model, and different model settings are required according to the shape of the reinforcement. Complicated modeling of composite siding structures and increased time for composite siding structural analysis

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