Modeling electrokinetic flows by consistent implicit incompressible smoothed particle hydrodynamics
Journal Article
·
· Journal of Computational Physics
- Univ. of Wisconsin, Madison, WI (United States). Department of Mechanical Engineering
- Sandia National Laboratories, NM (United States). Center for Computing Research
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Advanced Computing, Mathematics, & Data Division
In this paper, we present a consistent implicit incompressible smoothed particle hydrodynamics (I2SPH) discretization of Navier–Stokes, Poisson–Boltzmann, and advection–diffusion equations subject to Dirichlet or Robin boundary conditions. It is applied to model various two and three dimensional electrokinetic flows in simple or complex geometries. The accuracy and convergence of the consistent I2SPH are examined via comparison with analytical solutions, grid-based numerical solutions, or empirical models. Lastly, the new method provides a framework to explore broader applications of SPH in microfluidics and complex fluids with charged objects, such as colloids and biomolecules, in arbitrary complex geometries.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR) (SC-21)
- Grant/Contract Number:
- AC02-05CH11231; AC04-94AL85000; AC05-76RL01830
- OSTI ID:
- 1341746
- Alternate ID(s):
- OSTI ID: 1356491
OSTI ID: 1396718
- Report Number(s):
- PNNL-SA--117311; PII: S0021999116307069
- Journal Information:
- Journal of Computational Physics, Journal Name: Journal of Computational Physics Vol. 334; ISSN 0021-9991
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Fully implicit time integration in truly incompressible SPH
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journal | March 2019 |
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