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In order to improving auto crash simulation precision, the way which fine simulation of crash which forming results of auto-body panel is as initial condition by mapping is proposed. Combined with a new model of car crash tests, the method of conventional simulation model of crash into the fine simulation model of crash which meet the requirements through loading the forming results of auto-body stamping...
In order to shorten the design cycle of FOPS and improve the pass rate of FOPS laboratory destructive tests, nonlinear finite element methods of elastic-plastic large displacement were presented to simulate the dynamic displacement, velocity and acceleration of drop hammer during impact process, and the dynamic changing law of these parameters during the whole collision were analyzed. At the same...
Based on a certain type car, the finite element model for whole car was developed in which the space occupied by the 50th percentile hybrid III dummy and safety-belt restraint system. According to the basic principle of the dynamic explicit non-linear FEM, an equation describing the rear-end crash process and finite element discretization equation were given. Then the rear-end crash was simulated...
Vehicle safety is based on the avoidance of accidents (active safety) and reduction of injuries in case a crash isnpsilat preventable (passive safety). Therefore, the motion of the vehicle is measured with suitable sensors. The data analysis takes place in qualified vehicle control units. A vehicle stabilisation is calculated in the electronical-stability control unit (ESC). The restraint systems...
Cars have become the traffic vehicles increasingly depended by people in current world, thus people pay much attention to car safety and have higher requirements. Nearly every type of cars needs impact test to evaluate safety and the need for impact test system of car safety has been increasing. Conventional safety impact test system is pneumatic, hydraulic or institutional driven. The concept of...
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