Simulation of Shear Thickening Fluids Based on Friction Constraint

Abstract

Fluids can be divided into two types: Newtonian fluids, which have constant viscosity, and non-Newtonian fluids, whose viscosity increases or decreases nonlinearly depending on the applied force. In this study, we focus on shear thickening fluid(dilatant fluids) whose viscosity increases as the applied force increases. We propose a new method to simulate a characteristics of dilatant fluids by reproduce the friction of fine particles in the fluid, which is the principle that generates non-Newtonianity, with friction constraint in the position-based method, instead of the method by controlling the viscosity coefficient, which has been used in previous studies.