The Particle Velocity Sensor (PVS) is a kind of acoustic transducer which measures the particle velocity directly with figure-of-eight directivity. This paper p
In this paper, the transonic gas equation will be considered. Different methods will be presented and discussed. We will show that there is no unique solution i
The main goal of the paper is to obtain the local strong solution of the Cauchy problem of the nonhomogeneous incompressible Boussinesq equation in two-dimensio