It ' s well known that the covolume methods ( finite volume el - ement methods ) are widely and successfully used in solving many mathematical - physical problems due to their simplicity and local conservation properties in recent years 近年来，有限体积法因其具有局部守衡的性质且实施起来相对较为简单灵活而被广泛地应用于求解许多数学物理问题。
