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In order to study the impact of different shapes of thread section on inverse identification, the technique of parameter inverse identification based model contrast methodology was conducted in this paper, and the thread material parameters of rectangle section was identified, and then this set of parameters was adopted in finite element model with thread section shape of triangle, zigzag and trapezoid...
Rubber forming is a very important manufacture method in aircraft fabrication. Stretch flanging is a main fashion in rubber forming. A typical stretch flanging part is used to analyze the spring back control method. The finite element model is set to simulate the forming process. It is found that the simulation results agree well with the experiment. Die compensation is done based on the simulation...
A damage identification method based on improved genetic algorithm (IGA) is presented that accurately identifies both the location and severity of damage in a simulated 3-span continuous beam bridge. Damage identification based on finite element model updating is often used and damage is identified by minimizing the error between measured and analytical results. But whether model updating can be carried...
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