271 Analysis of nonlinear pressure wave in elastic pipe by concentrated mass model

Abstract

In the previous report, the concentrated mass model was proposed to analyze a nonlinear pressure wave phenomenon in a rigid cylindrical straight tube. In this paper, we apply the model to an elastic pipe. To confirm the validity of the proposed elastic pipe model, we perform experiments on a silicone tube, and compare the experimental results with the numerical results. The numerical computational results agree very well with the the experimental results. Therefore, it is concluded that the proposed model is valid for the numerical analysis of nonlinear pressure wave problem in an elastic pipe.