ABAQUS-based honeycomb composite material ultrasonic cutting process simulation method

Abstract

The invention discloses a honeycomb composite material ultrasonic cutting process simulation method. The method comprises the steps that S11, a honeycomb material layered model and a cutter model in the honeycomb composite material ultrasonic cutting process are established; S12, defining material attributes for the established honeycomb material layered model and the established cutter model through ABAQUS simulation software; S13, respectively carrying out mesh generation on the established honeycomb material layered model and the established cutter model through ABAQUS simulation software;S14, assembling and positioning the honeycomb material layered model and the cutter model; S15, constraints between all layers of the honeycomb material layered model and constraints between the honeycomb material model and the cutter model are set; S16, establishing analysis steps and output variables according to the ultrasonic cutting motion characteristics; S17, setting boundary conditions andapplying loads according to the motion characteristics of the cutter model relative to the honeycomb material model; and S18, submitting the simulation model of the ultrasonic cutting process of thehoneycomb composite material processed in the steps S11-S17 to a solver of ABAQUS simulation software to carry out solving operation, so as to obtain an operation result.

Description

technical field [0001] The invention relates to the technical fields of aerospace, automobiles, ships and the like, in particular to an ABAQUS-based simulation method for the ultrasonic cutting process of honeycomb composite materials. Background technique [0002] Nomex honeycomb composite material is an artificial regular hexagonal orthotropic material made of aramid paper impregnated with phenolic resin, imitating the shape of a natural honeycomb. It is light in weight, high in specific strength and specific stiffness, and self-extinguishing. Good insulation properties and excellent chemical properties make it one of the indispensable and important materials in the fields of aerospace, automobiles, ships, etc., and its application range is becoming wider and wider. However, Nomex honeycomb composite material is difficult to process. Traditional high-speed milling methods have disadvantages such as rough surface quality, low processing efficiency, serious contamination of ...

AI Technical Summary

Problems solved by technology

At present, many scholars have used experimental methods to optimize the process of ultrasonic machining of honeycomb materials, but these are based on a large number of experiments, the cost of the experiments is high, and the characteristics of the contact interface between the tool and the material, and the microscopic damage of the material during the experiment surface can't show

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