Multifunctional simulation analytical method for automobile collision and movable counterguard

Abstract

The invention discloses a multifunctional simulation analysis method of automobile collision and a movable barrier. The method includes: establishing a model of the movable barrier, and defining the vehicle frame, tires, and mounting plates of the movable barrier as non-deformed and relatively For the rigid body of displacement, the model of the upper and lower honeycomb energy-absorbing blocks of the movable barrier is built on the mounting plate, and the relevant dimensions of the movable barrier are set as specific model parameters, and the vehicle of the actual vehicle The parameters are correspondingly brought into the model parameters of the movable barrier, so that the vehicle under test is simulated by using the movable barrier to perform various collision test analysis of the vehicle. The present invention can improve calculation accuracy and analysis reliability in collision simulation analysis and calculation, improve calculation convergence and shorten calculation time, is beneficial to define contact, and can prevent crashes or exit from calculation in collision simulation analysis and calculation. The invention has great significance for improving the independent research and development capability of automobiles in my country.

Description

technical field [0001] The invention relates to automobile collision simulation technology, in particular to a multifunctional movable barrier and a modeling method for automobile collision simulation analysis. Background technique [0002] At present, the car crash simulation tests done by domestic car companies and research institutes lack a multifunctional movable barrier, which can not only do a variety of car side collision simulation tests, but also can do car traffic accident reproduction simulation tests. . The movable barriers in the existing foreign crash simulations are single-purpose. For example, the movable barriers used in Europe can only be used for the ECE R95 side impact test. And there is not a kind of movable barrier at home and abroad that can be used as the vehicle causing the accident in the simulation test of the reproduction of the automobile traffic accident, and needs to spend a lot of time and energy to set up the model of the vehicle causing the...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a multi-functional simulation analysis method of automobile collision and a movable barrier, so as to solve the technical problem that the existing collision simulation technology has a single purpose and cannot be universally applied to different collision standards

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