Time has become the major role in the market competition, so the direct integration of reverse engineering and rapid prototyping is becoming important more and more.
随着市场竞争的不断加剧,时间因素占据着主导地位,反求工程和快速成型技术的直接集成越来越受到重视。
It is found that the displacement input model is more accurate than the generally used acceleration input model, given the same direct integration method and time step.
数值计算结果表明,若采用相同的数值积分方法和积分步长,位移输入模型可获得比加速度输入模型更高的计算精度。
By means of the precise time-integration method and the method of direct integration of state equation, the mode of the time-integration has been discussed on the structural dynamical responses.
采用精细时程积分法及状态方程直接积分法,讨论了求解动力响应问题的时程积分方式。
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