...式 MSC/NASTRAN程式中所具备之暂态反应分析功 能有两种: (1)直接求解耦合运动方程式之直接积分法(direct integration method) (2)模态叠加法(mode superposition method) 而本研究在计算波击作用下之结构响应主要是采 用直接积分法的方式来计算。
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It is shown that the approximation method with sufficient accuracy costs less computation time than the direct integration method.
近似方法与直接积分方法的比较表明近似方法的计算工作量大幅减少,可以给出足够精度的计算结果。
Professor Zhang Senwen from Jinan University created a new direct integration method which makes use of the precise integration method.
暨南大学张森文教授运用精细积分法的成果提出了状态方程直接积分法。
With regard to the nonlinear kinetics problems of a rotor system the direct integration method is more effective than the modality superposition method.
对于转子系统非线性动力学问题,直接积分法比模态叠加法更为有效。
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