“…Various applications of the square cylinders which are formed in certain arrangements such as inline, staggered or square arrays are applied in heat exchangers such as shell-and tube or tube banks, as well as in cooling towers, chimneys, the supporting structures of offshore platforms and ports, trains, boat trailers (barges) and trailers [1]- [25]. Wind and water loads on a structure are some of the main factors that have to be considered in the design.…”