说明：  一、通过数值求解Euler方程，模拟一维激波管算例，lax shock tube算例，interaction blast wave算例，Shu-orsher算例，low density算例。 二、其中采用的数值格式有：一阶迎风格式, 三阶迎风格式, 2、3、4阶MUSCL格式, 3、5、7阶WENO格式。
(First, by numerical solution of the Euler equation, the simulation of one-dimensional shock tube example, lax, shock, tube example, interaction, blast, wave example, Shu-orsher example, low density example. Two. The numerical schemes used include: first order upwind scheme, three order upwind scheme, 2, 3, and 4 order MUSCL schemes, 3, 5, and 7 order WENO schemes.)