This paper presents a three dimensional finite-difference time-domain (FDTD) scheme in cylindrical coordinates with an improved algorithm for accommodating the numerical singularity associated with ...

Abstract In this paper, a model of the heterogeneous anelastic seismic wave problem is proposed in three-dimensional (3D) cylindrical coordinates. We use the velocity-stress formula to describe the ...

The unconditionally stable associated Hermite (AH) finite-difference time domain (FDTD) with Mur's absorbing boundary condition is extended into the cylindrical coordinates system. With AH expansion ...