scholarly journals A finite element method for simulating soft active non-shearable rods immersed in generalized Newtonian fluids

2021 ◽  
pp. 106213
Author(s):  
Roberto Federico Ausas ◽  
Cristian Guillermo Gebhardt ◽  
Gustavo Carlos Buscaglia
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Newtonian Fluids ◽  
Generalized Newtonian Fluids ◽  
Element Method

Analysis of Hydrodynamic Journal Bearings Having Non-Newtonian Lubricants (Prandtl Model) by a Finite Element Method

1981 ◽  
Vol 23 (2) ◽  
pp. 63-68 ◽  
Author(s):  
S. P. Tayal ◽  
R. Sinhasan ◽  
D. V. Singh
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Shear Thickening ◽  
Shear Thinning ◽  
Journal Bearings ◽  
Newtonian Fluids ◽  
Finite Width ◽  
Nonlinear Behaviour ◽  
Prandtl Model ◽  
Element Method

Additives are used to improve the performance of commercial lubricants. These lubricants behave like non-Newtonian fluids (shear thinning or shear thickening). The effect of the nonlinear behaviour on the performance characteristics of finite width journal bearings is investigated using the Prandtl model. The finite element method, using Galerkin's technique, has been used to solve the Navier-Stokes equations in cylindrical coordinates, representing the flow-field in the clearance space of a bearing using Newtonian fluids, and the non-Newtonian effect is introduced by modifying the viscosity term for the model in each iteration. The results applicable to shear-thinning (pseudoplastic) and shear-thickening (dilatant) lubricants are compared with the established results for Newtonian lubricants.

Simulation of tuning graphene plasmonic behaviors by ferroelectric domains for self-driven infrared photodetector applications

Nanoscale ◽  
2019 ◽  
Vol 11 (43) ◽  
pp. 20868-20875 ◽  
Author(s):  
Junxiong Guo ◽  
Yu Liu ◽  
Yuan Lin ◽  
Yu Tian ◽  
Jinxing Zhang ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Interfacial Effect ◽  
Infrared Photodetector ◽  
The Finite Element Method ◽  
Ferroelectric Domains ◽  
Element Method

We propose a graphene plasmonic infrared photodetector tuned by ferroelectric domains and investigate the interfacial effect using the finite element method.

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