Enhanced self-propulsion of a sphere-dimer in viscoelastic fluid

Soft Matter ◽  
2019 ◽  
Vol 15 (10) ◽  
pp. 2170-2177 ◽  
Author(s):  
Soudamini Sahoo ◽  
Sunil Pratap Singh ◽  
Snigdha Thakur
Keyword(s):  
Viscoelastic Fluid

Response of non-Newtonian medium results in enhancement of self-propulsion for micro-swimmers.

An implicit scheme for simulation of free surface non-Newtonian fluid flows on dynamically adapted grids

2021 ◽  
Vol 36 (3) ◽  
pp. 165-176
Author(s):  
Kirill Nikitin ◽  
Yuri Vassilevski ◽  
Ruslan Yanbarisov
Keyword(s):  
Free Surface ◽  
Numerical Model ◽  
Newtonian Fluid ◽  
Viscoelastic Fluid ◽  
Fluid Flows ◽  
Numerical Results ◽  
Implicit Scheme ◽  
New Approach

Abstract This work presents a new approach to modelling of free surface non-Newtonian (viscoplastic or viscoelastic) fluid flows on dynamically adapted octree grids. The numerical model is based on the implicit formulation and the staggered location of governing variables. We verify our model by comparing simulations with experimental and numerical results known from the literature.

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