Department of Applied Mathematics Bishwabidyalay-1344;
Department of Mathematics of Rajshahi-6205;
Department of Arts&Sciences Army University of Science and Technology-5310;
Department of Mathematics University of Bangladesh-1216;
Department of Mathematics University of Science and Technology-7408;
Department of Mathematics Sheikh Mujibur Rahman Science and Technology University 8100;
Department of Textile Engineering University of Bangladesh 1230;
Arakawa C-grid; Bay of Bengal; coast of Bangladesh; finite difference method; shallow water equations; stair-step representation;