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In order to simulate mutual effects between crankshaft and base, connecting rod and crankpin, the FEA software is applied to crankshaft's structural analysis. Based on the crankshaft model and reasonable contact set, the crankshaft is analyzed successfully. Results show that the way can be better applied for the engineering practice as a new thought for the crankshaft's intensity analysis and the...
The paper presents a new type of wire rope safety barrier, which has many posts with C-shaped cross section and 5 ropes, by way of designing the shape of the post, the diameter of the rope, the arrangement and the number of ropes etc., on the basis of the form of structure of the most advanced foreign existing wire rope safety barrier — BRIFEN. And in order to realize that the barrier is designed...
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...
The Occupant Protection of Vehicle Side Impact (GB20071-2006) is a compulsive and executable standard that all M1 and N1 style vehicle must obey to. Simulation for vehicle side impact is one of important test methods to study vehicle impact safety. And the model of moving deformable barrier (MDB) is the basic tool of the test. According to the requirements in regulation for the performance and test...
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...
The value of the chassis gap has an important impact on driving safety and handling stability of vehicle. Focusing on the efficiency and accuracy of the detection equipment for testing chassis gap, the controlling performance influenced by chassis gap and a novel tester model is presented. The finite element analysis is adopted to ensure the reliability of the tester proposed the Coulomb criterion...
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...
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