Comparison of strongly implicit procedures for the solution of the fluid flow equations in finite difference form

摘要: Abstract In this paper the iterative solution of system algebraic equations resulting from discretization convective and diffusive terms fluid flow is investigated. Several five- nine-point schemes are considered. A strongly implicit procedure described that solves finite difference associated with quadratic upstream weighted scheme for equations. comparison method other versions five-point procedures performed linear nonlinear problems. Comparison computing costs between solutions systems nine five diagonals in coefficient matrix, respectively, indicates only a small saving nine-diagonal system.