exam8_2
于 2011-08-07 发布
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采用平面梁单元计算两铰抛物线拱的在初始条件下自由振动,并对时程曲线结果进行FFT变换(Calculated using plane beam element in two-hinged parabolic arch of free vibration under initial conditions, and the results of time-curve FFT)
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