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ON OPEN BOUNDARIES IN THE FINITE ELEMENT APPROXIMATION OF TWO-DIMENSIONAL ADVECTION-DIFFUSION FLOWS
1997
International Journal for Numerical Methods in Engineering
A steady-state and transient finite element model has been developed to approximate, with simple triangular elements, the two-dimensional advection-diffusion equation for practical river surface flow simulations. Essentially, the space-time Crank-Nicolson-Galerkin formulation scheme was used to solve for a given conservative flow-field. Several kinds of point sources and boundary conditions, namely Cauchy and Open, were theoretically and numerically analysed. Steady-state and transient
doi:10.1002/(sici)1097-0207(19970715)40:13<2493::aid-nme177>3.0.co;2-m
fatcat:gwzuu5y5qzbmznjfo2mn6h5v3a