The sound absorption coefficient of the material was tested by standing wave tube method. 采用驻波管法测试材料的吸声系数。
The effect of contact interaction between particles is decreased by the Riemann solver.Efficiency of the method is demonstrated by numerical tests of a 1D shock tube. 通过黎曼解近似粒子间的相互作用，减小接触间断附近的震荡，并给出多介质一维激波管问题的算例，验证此方法的有效性。
