TY - JOUR T1 - A High Order Well-Balanced Finite Volume WENO Scheme for a Blood Flow Model in Arteries JO - East Asian Journal on Applied Mathematics VL - 4 SP - 852 EP - 866 PY - 2018 DA - 2018/02 SN - 7 DO - http://doi.org/10.4208/eajam.181016.300517f UR - https://global-sci.org/intro/article_detail/eajam/10725.html KW - Blood flow model, finite volume scheme, WENO scheme, well-balanced property, high order accuracy, source term. AB -

The numerical simulations for the blood flow in arteries by high order accurate schemes have a wide range of applications in medical engineering. The blood flow model admits the steady state solutions, in which the flux gradient is non-zero and is exactly balanced by the source term. In this paper, we present a high order finite volume weighted essentially non-oscillatory (WENO) scheme, which preserves the steady state solutions and maintains genuine high order accuracy for general solutions. The well-balanced property is obtained by a novel source term reformulation and discretisation, combined with well-balanced numerical fluxes. Extensive numerical experiments are carried out to verify well-balanced property, high order accuracy, as well as good resolution for smooth and discontinuous solutions.