Development of Computational Methods 수치해석 기법개발
Viscoelastic flow simulations
- DEVSS기반의 점탄성 고분자유동에 대한 유한요소 수치해석기법개발
- 점탄성 유체에 분산된 입자와 유체의 수력학적 상호작용해석을 위한 직접수치해석기법 개발
- 점탄성 유동해석에서의 O(N)성능의 반복해석기법개발
- W.R. Hwang, M.A. Hulsen, H.E.H. Meijer (2004)
"Direct
simulations of particle suspensions in a viscoelastic
fluid in sliding bi-periodic
frames," Journal of Non-Newtonian Fluid Mechanics,
121(1), p.15-33.
- W.R. Hwang, G.W.M. Peters, M.A. Hulsen, H.E.H. Meijer (2006)
"Modeling of flow-induced crystallization of particle-filled polymers,"
Macromolecules, 39(24), p.8389-8398.
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W.R. Hwang, M.A. Hulsen (2011)
"Structure formation of non-colloidal
particles in viscoelastic fluids subject to simple shear flow,"
Macromolecular Materials and Engineering, 296(3-4), p.321-330.
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W.R. Hwang, W.R. Kim, E.S. Lee, J.H. Park (2011)
"
Direct simulations of orientational dispersion
of platelet particles in a viscoelastic fluid subjected to a partial drag flow for
effective coloring of polymers," Korea-Australia Rheology Journal (Special Memorial Issue of Late Professor Tai Hun Kwon),
23(3), p.173-181.
- W.R. Hwang, M.A. Walkley, O.G. Harlen (2011)
"A fast and efficient iterative scheme for viscoelastic flow simulations
with the DEVSS finite element method,"
Journal of Non-Newtonian Fluid Mechanics, 166(7-8), p.354-362.
Solid/liquid flow simulations
- 입자와 유체의 수력학적 상호작용을 고려한 유한요소법 기반의 직접수치해석 기법개발
- W.R. Hwang, M.A. Hulsen, H.E.H. Meijer (2004)
"Direct simulation of particle suspensions in sliding bi-periodic
frames," Journal of Computational Physics, 194(2), p.742-772.
- W.R. Hwang, M.A. Hulsen, H.E.H. Meijer (2004)
"Direct
simulations of particle suspensions in a viscoelastic
fluid in sliding bi-periodic
frames," Journal of Non-Newtonian Fluid Mechanics,
121(1), p.15-33.
- W.R. Hwang, P.D. Anderson, M.A. Hulsen (2005)
"Chaotic advection in a cavity flow with rigid particles,"
Physics of Fluids, 17(4), 043602.
- H.T. Chung, S.H. Kang, W.R. Hwang (2005)
"Numerical simulations of elliptic particle suspensions
in sliding bi-periodic frames,"
Korea-Australia Rheology Journal, 17(4), p.171-180.
- W.R. Hwang, G.W.M. Peters, M.A. Hulsen, H.E.H. Meijer (2006)
"Modeling of flow-induced crystallization of particle-filled polymers,"
Macromolecules, 39(24), p.8389-8398.
- W.R. Hwang, M.A. Hulsen (2006)
"Direct numerical simulations of hard particle suspensions
in planar elongational flow,"
Journal of Non-Newtonian Fluid Mechanics, 136(2-3), p.167-178.
- J.S. Myong, W.R. Hwang, H. Y. Won, K.H. Ahn, S.J. Lee (2007)
"Finite element analysis of
elastic solid/Stokes flow interaction problem,"
Korea-Australia Rheology Journal, 19(4), p.233-242.
- W.R. Hwang, W.R. Kim, S.H. Kang, S.J. Kim (2009) "Direct simulations of 2D mold-filling processes
of particle-filled fluids," Korea-Australia Rheology Journal, 21(3),
p.193-200.
- H.J. Jeong, W.R. Hwang, C. Kim, S.J. Kim (2010) "Numerical simulations of
capillary spreadings
of a particle-laden droplet on a solid substrate,"
Journal of Materials Processing Technology, 210(2), p.297-305.
-
W.R. Hwang, S.G. Advani, S. Walsh (2011) "Direct simulations of particle deposition and filtration
in dual-scale porous media," Composites Part A, 42(10), p.1344-1352.
-
W.R. Hwang, W.R. Kim, E.S. Lee, J.H. Park (2011)
"
Direct simulations of orientational dispersion
of platelet particles in a viscoelastic fluid subjected to a partial drag flow for
effective coloring of polymers," Korea-Australia Rheology Journal (Special Memorial Issue of Late Professor Tai Hun Kwon),
23(3), p.173-181.
Liquid/liquid flow simulations
- 표면장력효과를 고려한 에멀전계의 유한요소법 기반의 유동해석 기법개발
- S.J. Kim and W.R. Hwang (2007)
"Direct numerical simulations of droplet
emulsions in sliding
bi-periodic frames using the level-set method,"
Journal of Computational Physics, 225(1), p.615-634.
- S.J. Kim, W.R. Hwang, K.H. Lim, H.S. Shin (2008)
"Numerical
simulations of drop deformation in a cylindrical
tube using moving and fixed grid methods,"
International Journal of Modern Physics B, 22(9-11), p.1552-1557.
-
S.J. Kim, W.R. Hwang (2011) "
Transient stresses of two-dimensional model droplet emulsions
subjected to simple shear flow by numerical simulations,"
Korea-Australia Rheology Journal (Special Memorial Issue of Late Professor Tai Hun Kwon),
23(3), p.163-171.
Flow simulations through porous media
- 다공질 유동해석 및 이중스케일 다공질 유동해석 기법개발
- J.F. Wang and W.R. Hwang (2008)
"Permeability predicition of fibrous porous media in a bi-periodic domain,"
Journal of Composite Materials, 42(9), p.909-929.
- H. Liu, W.R. Hwang (2009)
"Transient filling simulations in unidirectional fibrous porous media,"
Korea-Australia Rheology Journal, 21(1), p.71-79.
- W.R. Hwang, S.G. Advani (2010) "Numerical simulations of Stokes-Brinkman
equations for permeability prediction of dual-scale fibrous porous media,"
Physics of Fluids, 22(11), 113101.
- J.F. Wang, W.R. Hwang (2011)
"Transverse mobility prediction of non-Newtonian fluids
across fibrous porous media,"
Journal of Composite Materials, 45(8), p.883-893.
-
W.R. Hwang, S.G. Advani, S. Walsh (2011) "Direct simulations of particle deposition and filtration
in dual-scale porous media," Composites Part A, 42(10), p.1344-1352.
-
H.L. Liu, W.R. Hwang (2012) "
Permeability prediction of fibrous porous media with complex 3D architectures,"
Composites Part A, 43, 2030-2038.
-
H.L. Liu, J.S. Moon, W.R. Hwang "Numerical simulations of a shear-thinning fluid through packed spheres,"
Korea-Australia Rheology Journal, submitted.
Free-surface flow simulations
- 입자분산 유체의 잉크젯 프린팅 공정해석 기법개발 및 사출성형 유동선단해석기법 개발
- W.R. Hwang, W.R. Kim, S.H. Kang, S.J. Kim (2009) "Direct simulations of 2D mold-filling processes
of particle-filled fluids," Korea-Australia Rheology Journal, 21(3),
p.193-200.
- H.J. Jeong, W.R. Hwang, C. Kim, S.J. Kim (2010) "Numerical simulations of
capillary spreadings
of a particle-laden droplet on a solid substrate,"
Journal of Materials Processing Technology, 210(2), p.297-305.
-
H.J. Jeong, C. Kim, W.R. Hwang (2012) "Numerical simulations of the impact and spreading of a particulate drop on a solid substrate,"
Modelling and Simulations in Engineering, accepted for publication.
Fast iterative solvers for highly constrained flow problems
