“direct integration method”的概念、定义、翻译、参考文献-科学参考

单词	direct integration method
释义	direct integration method Encyclopedia 理学动力响应求解算法释 direct integration method直接积分法结构动力学的求解方法之一。方法的核心是把时间划分为一系列合适的增量步，按照初始条件确定初始时刻的广义位移和广义速度，然后通过数值积分求出在这一增量步结束时刻的和其他量，并以它们作为下一增量步的初始值，如此逐步求解下去，就能得到最终的结果。又称逐步积分法。
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