Virtual car crash detecting system and construction method thereof
A construction method and collision detection technology, applied in the field of virtual experiment system, can solve the problems of restricting the development of the automobile industry, long cycle and high cost, and achieve the effects of low cost, short development cycle and high repeatability
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[0014] The establishment of the virtual vehicle crash test field The model of each object of the virtual test is established: the solution to the current various simulation and test platforms is simply a single software form for a certain vehicle type and movement. (1) Establish a model library of vehicles and people. The finite element model library of the tested vehicle is the primary task of the virtual crash test. It is combined with the design platform. The external dimensions of the components establish the geometric solid model of the car. Then the geometric model needs to be meshed according to the crash test project. Important components that play a decisive role in the entire collision deformation mode need to establish accurate geometric models and fine mesh sizes; non-important components, such as engines, can use approximate models. Finally, it is necessary to define the material of each part of the car and the connection form between each part, such as welding a...
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