Euler equations of generalized Riemann variable are derived from unsteady primitive variable Euler equations and solved by using two - a point-two-step upwind finite difference method.

该方法将原参数非定常欧拉方程组重新组合成以广义黎曼变量表示的欧拉方程组，再用二点二步迎风格式离散求解。

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Under the framework of finite volume method, the Riemann approximate solver is applied to obtain the numerical solution of the equation.

模型在有限体积法框架下应用黎曼近似解求得耦合方程的数值解。

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The hyperbolic equations were formulated by artificial compressibility method with the convective terms discreted using a third-order upwind scheme based on Roe's approximate Riemann solver.

不可压粘性绕流的求解采用了人工压缩性方法，其中对流项的离散应用了三阶迎风格式。

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