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 realistic ...

Cylindrical vector vortex beams (CVVBs) with V-point singularity and axially symmetric polarization, such as radially and azimuthally polarized beams, lead to the exploitation of various applications ...

An implicit finite-difference time-domain method in cylindrical coordinates is developed using the locally one-dimensional (LOD) scheme. The Sherman-Morrison formula is utilized to solve a cyclic ...