Euler equations of generalized Riemann variable are derived from unsteady primitive variableEuler equations and solved by using two - a point-two-step upwind finite difference method.
In general, Euler equation is solved by the method of variable transformation, but the procedure is complicated.
欧拉方程一般都是用“变量代换”法求解的，但其过程一般都比较繁琐。
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Based on the generalized moving least square method, a new Element-Free Galerkin (EFG) double-variable approximation is applied to dynamic characteristic calculation and analysis of Euler beam.