Four kinds of numerical computing methods for structure_borne propagation are summarized: Statistical Energy Analysis, Finite Element method.

本文综述了结构声传递的四种数值计算方法：统计能量分析、有限元法、阻抗分析法、波动分析法。

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Demonstating the effectiveness of PAR method in arithmetic computing, studying the contribution to the numerical methods by PAR method;

分析、比较当前数值计算方法，研究用PAR方法来开发循环不变式和数值算法的优越性；

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In view of more computing time and bad efficiency, the paper studies the present methods that raise computing efficiency of numerical simulation.

本文针对流场计算时间长、效率低的问题，研究了现有的提高充型过程数值模拟计算效率的方法。

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