Automobile rear anti-collision beam optimization method based on CAE (Computer Aided Engineering) crash simulation technology

Abstract

The invention provides an optimization method for replacing plastic with metal for an automobile rear anti-collision beam for a CAE (Computer Aided Engineering) crash simulation technology. On the basis of the CAE crash simulation technology and the rear anti-collision beam of traditional metal, the rear anti-collision beam of the traditional metal is changed into the rear anti-collision beam of plastic, a verification result shows that a rear collision working condition and a rear low-speed collusion working condition CAE analysis result meet a target value requirement, and a rear automobileexperiment verifies that the rear collision of the rear anti-collision beam of plastic and rear low-speed collision meet requirements. The rear anti-collision beam of plastic has the advantages of light quality, corrosion resistance, fatigue resistance, good toughness and low cost.

Description

technical field [0001] The invention relates to the technical field of motor vehicle collision simulation, in particular to an optimization method for an automobile rear anti-collision beam based on CAE collision simulation technology. Background technique [0002] The role of the rear anti-collision steel beam is to absorb the impact force through its own deformation at the first time of the collision, so as to ensure the integrity of the rear car body structure. From the pictures of the chassis, we can see that behind the rear bumper of the general vehicle is the spare tire well, and there are structural beams on both sides of the spare tire well. , About 40 centimeters, in the front is the seat of the rear passenger. And behind the spare tire compartment is the key anti-collision steel beam, especially for hatchbacks, it absorbs the rear impact energy to ensure that the rear of the car is deformed as little as possible. [0003] In fact, the biggest role of the anti-col...

AI Technical Summary

Problems solved by technology

[0005] Usually in the event of a rear low-speed collision or a rear collision, two key issues are raised in the project: 1. Control development costs, starting from the rear bumper beam; 2. While saving costs, it is also necessary to meet the conditions of rear collision and Performance requirements for rear low-speed collision conditions

The above poses a great challenge to engineers

Images