An artificial viscous term is introduced in the equation to treat the supercritical flow with embeded shock waves and to eliminate the discontinuous solution.

为了处理超临界流和有冲波情况，我们在方程中引入人工粘性项，以消除解中可能出现的不连续性。

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The wave input method for viscous-spring artificial boundary, calculating method of static boundary conditions on the proposed unifiedboundary and their numerical simulation techniques are studied.

研究了粘弹性人工边界上的波动输入方法，给出了粘弹性静-动力统一人工边界上静力边界条件的确定方法；

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Thermal production, which is used in Liaohe oil Field as a main method to explore viscous oil, gives rise to the artificial increase of CO2 content in the crude produced from well.

辽河油田稠油开发主要以热力采油为主，人为地使油井采出物中二氧化碳的含量增加。

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