This paper expounds a method of realizing animated display of structure model by computer animation at the request of test model analysis.
根据实验模态分析的需要，论述用计算机动画实现结构模态分析动画显示方法。
Taking a prototype light rail car with aluminum alloy car-body for example, the test model analysis is carried out. The test results show that the prototype car has good dynamic characteristics.
针对一台铝合金车体的轻轨样车，进行了试验模态分析，通过试验说明了该样车具有良好的动态特性。
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