裴玉姣，许俊峰，纪天宝  

    摘要：时–空守恒元解元方法作为近年来兴起的一种全新的高精度的计算方法,具有对控制方程的离散方法简单、计算精度高和通用性好等优点,是一种有广阔发展前景的数值方法。本论文应用时空守恒元和解元CE/SE方法思想,对进排气系统中的偏微分方程组的离散方程进行详细推导,并进行了实例计算,为内燃机进排气过程的数值模拟提供理论依据。

    关键词：内燃机;进排气系统;CE/SE方法;数值仿真

    Abstract: As a novel high-resolution computational method for equations of conservation law,the space-time Conservation Element and Solution Element method(CE/SE method) is a simple discrete method with these features of high accuracy and the simple construction.Based on the principles of CE/SE method,this paper deduces the discrete equations of the partial differential equation in the intake and exhaust systems and provides a theoretical basis for the numerical simulation of gas exchanging process of the internal combustion engine.

    Keywords: Internal Combustion Engine;Intake and Exhaust Systems;CE / SE Method;Numerical Simulation

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