Evaluation method and device for damage effect of blast shock wave

Abstract

Embodiments of the present invention provide a method and device for evaluating the damage effect of an explosion shock wave. By obtaining environmental model parameters and human body model parameters, and obtaining the explosive category, explosive name and explosive quality, according to the explosive category, explosive name and Calculate the mass of the explosive to obtain the TNT equivalent of the explosive, and obtain the radius of the explosive according to the TNT equivalent of the explosive; input the environmental model parameters, human body model parameters and the radius of the explosive into the K file of the ANSYS / LS-DYNA software to obtain Target calculation file; then call ANSYS / LS-DYNA software to calculate the target calculation file according to the total time of calculation and solution and the number of ANSYS / LS-DYNA cores, and evaluate the damage level of each part of the human body according to the calculation results. The method and device can automatically create and obtain different explosion environments according to parameterized settings, are used to simulate human body damage in different explosion environments, and can intuitively, accurately and efficiently evaluate the damage to the human body caused by blast shock waves.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of finite element numerical simulation, and more specifically, to a method and device for evaluating the damage effect of an explosion shock wave. Background technique [0002] The damage to the human body caused by the blast shock wave is mainly determined by the overpressure of the shock wave and the action time of the shock wave. When the explosion shock wave interacts with the biological tissues of the human body, it will induce stress waves in the biological tissues of the human body. During the propagation of the stress waves in the biological tissues, it may cause mechanical phenomena such as rupture, tearing, and implosion of the biological tissues, thereby affecting the biological tissues. produce a traumatic effect. The damage to the human body by the blast shock wave is mainly concentrated in the biological organs containing air, such as the eardrum, lung, stomach, etc., and...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problem that the research in the field of blast shock damage in the prior art is difficult to truly reflect the damage of the blast shock wave to the human body, the embodiment of the present invention provides a method and device for evaluating the damage effect of the blast shock wave

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