The simulation tool based on particle-mesh method, namely the Moving Particle Pressure Mesh (MPPM) method has been previously developed by the researchers to simulate incompressible flow with constant viscosity. In this study, the MPPM method is extended to handle fluid with variable viscosity which is commonly found in a non-Newtonian flow case. A numerically consistent method which is derived based on the Generalized Finite Difference (GFD) technique is used to discretize the viscous term. The numerical results are verified against those from the benchmark finite-element solutions and good agreements are found.
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