化学非平衡流动解耦算法及其研究进展

来源 :第十四届全国物理力学学术会议 | 被引量 : 0次 | 上传用户:dsmhjs
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  对国内外解耦算法的研究现状进行了简单综述,主要介绍我们于1993年提出的新型解耦算法,论证算法方程解耦的物理机理,其中源项方程描述流体微团在当地绝热、定容热力学系统内发生的化学反应过程,流动方程描述流体微团按照冻结流模型保持组元稳定并沿流线的运动。该算法在计算程序编写和具体应用中不断得以改进和丰富,基于有限差分法和有限体积法的特点,形成了多种计算格式,对此我们进行了回顾和总结。算例结果表明,该算法在保持空间精度的同时,时间精度高于点隐算法,计算效率比隐式耦合算法更具优势。
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