Reserch Projects
- Advanced Computational Fluid Dynamics techniques for complex 3D turbulent flows in real-life environments
- Particle-laden flows, such as debris flows and sediment transport
- Geophysical flows, such as stratified flows and gravity currents
- Stream restoration
Publications
International Journal Papers
- Paik, J., Eghbalzadeh, A., and Sotiropoulos, F. (2008) “Three-dimensional unsteady RANS modeling of discontinuous gravity currents in rectangular domains.” accepted for publication in ASCE Journal of Hydraulic Engineering.
- Khangaonkar, T., Yang, Z., Paik, J., and Sotiropoulos, F. (2008) “Simulation of hydrodynamics at stratified reservoirs using a staged modeling approach.” in press, Journal of Coastal Research.
- Tang, H., Paik, J., Sotiropoulos, F. and Khangaonkar, T. (2008) “Three-dimensional numerical modeling of hydrodynamic initial mixing of thermal discharges.” ASCE Journal of Hydraulic Engineering, 134, 1210-1224.
- Paik, J., Escauriaza, C. and Sotiropoulos, F. (2007) “On the bi-modal dynamics of the turbulent horseshoe vortex system in a wing-body junction.” Physics of Fluids, 19, 045107.
- Paik, J. and Sotiropoulos, F. (2005) “Coherent structure dynamics upstream of a long rectangular block at the side of a large aspect ratio channel.” Physics of Fluids, 17, 115104.
- Paik, J., Sotiropoulos, F., and Sale, M. J. (2005) “Numerical simulation of swirling flow in a hydroturbine draft tube using unsteady statistical turbulence models” ASCE Journal of Hydraulic Engineering, 131, 441-456.
- Paik, J., Ge, L. and Sotiropoulos F. (2004). “Toward the simulation of complex 3D shear flows using unsteady statistical turbulence models” International Journal of Heat and Fluid Flow, 25, 513-527.
Domestic Journal Papers (in Korea)
- 백중철 (2005) “안정 성층류에서 선택취수의 수치해석” 한국수자원학회논문집, 38(11) 973-984.
- 백중철 (2005) “수력터빈 드래프트관을 통과하는 물고기에 미치는 난류의 영향 수치모의” 한국수자원학회논문집, 38(5) 365-377.
- 백중철, 윤영호, 신문섭, Manh, D. V. (2005) “해안방조제가 조류 및 잔류흐름에 미치는 영향” 한국수자원학회논문집, 38(1) 83-96.
- Paik, J., and Choi, S.U. (2001) “Performance test of high resolution schemes for 1D dam break problem.” KSCE J. of Civil Engineering, 5(3), 273-280.
- Paik, J., and Cho, W. C. (1999). “Accurate variance diminishing procedure in the method of moments for advection simulation.” KSCE J. of Civil Engineering, 3(4), 359-368.
- 백중철, 최성욱, 조원철 (1999). “균일한 조도높이를 갖는 하상보호용 콘크리트 블록의 수리학적 특성” 대한토목학회논문집, 19(II-6), 677-686.
- 백중철, 조원철, 허준행 (1999). “모멘트법에 의한 이송방정식의 수치해석” 한국수자원학회논문집, 32(2), 99-100.
- 백중철, 허준행, 조원철 (1997). “월 수질 시계열자료의 추이 및 통계학적 특성 분석” 대한토목학회논문집, 17(II-2), 147-155.
- 백중철, 배덕효, 허준행, 조원철 (1996). “공간 및 시간준의 보간 특성곡선법의 비교연구” 한국수자원학회논문집, 29(1), 203-212.
- 김동현, 백중철, 허준행, 조원철 (1996). “합리법에 의한 소규모 충적수로의 안정하상 설계에 관한 연구” 대한토목학회논문집, 16(II-1), 13-22.
- 백중철, 허준행, 조원철 (1995). “한강본류의 하상변동을 고려한 안정하도에 관한 연구” 대한토목학회논문집, 15(4), 907-915.
Conference Proceedings
- Parsheh, M., Marr, J., Paik, J. Sotiropoulos, F. and Porte-Agel, F. “Experimental investigation of coherent vortices induced by a model in-stream structure at high Re.” Proceedings of RIVERFLOW 2008, International Conference on Fluvial Hydraulics, Izmir, TURKEY, September 3-5, 2008.
- Khangaonkar, T., Yang, Z., Paik, J. and Sotiropoulos, F. “Simulation of hydrodynamcis at stratified reservoirs using a staged modeling approach.” Proceedings of FLUCOME 2007, 9th International Symposium on Fluid Control, Measurement and Visualization, Tallahassee, FL, USA, September 16-19, 2007.
- Paik, J., Escauriaza, C. and Sotiropoulos, F. “On the coherent dynamics of turbulent junction flows.” Proceedings of IUTAM Symposium on Unsteady separated flows and their control, Corfu, Greece, June 18-22, 2007.
- Paik, J., Escauriaza, C. and Sotiropoulos, F. “Simulation of complex hydraulic engineering flows with coherent structure resolving turbulence models.” Proceedings of 7th International Conference on Hydroscience and Engineering, Philadelphia, USA, September 10-13, 2006.
- Paik, J., Brennan, S., Sotiropoulos, F., and Sale, M. J., “Recent advancements in unsteady computational modeling and measurement techniques for hydro turbine flows.” HYDRO 2006 ? Maximizing the Benefits of Hydropower, Porto Carras, Greece, September. 25-28, 2006.
- Paik, J., Escauriaza, C. and Sotiropoulos, F. “Simulation of junction flows with coherent structure resolving turbulence models.” Proceedings of 2nd International Conference ‘From Scientific Computing To Computational Engineering, Athens, Greece, July 5-8, 2006.
- Paik, J. and Sotiropoulos, F., “Detached-eddy simulation of the horseshoe vortex system.” Wither Turbulence Prediction and Control. Seoul, Korea, March 26-29, 2006.
- Paik, J. and Sotiropoulos, F., “Coherent vortex shedding in turbulent flow past a long surface-piercing block at the side of a shallow open channel.” Preceedings of the 4th Conference on Bluff Body Wakes and Vortex-Induced Vibrations. Santorini, Greece, June 21-24, 2005.
- Yang, J., Khangaonkar, T., Paik, J., Sotiropoulos, F., and Marshall, K. “Simulation of Hydrodynamics at stratified reservoirs using a staged modeling approach.” WSEAS/IASME International Conference on Fluid Mechanics. Corfu, Greece, August 17-19, 2004.
- Paik, J., Sotiropoulos, F., and Sale, M. J. “Numerical simulation of flow in a hydroturbine draft tube using unsteady statistical turbulence models.” Proceedings of the 22th IAHR Symposium on Hydraulic Machinery and Systems, Stockholm, Sweden, June 29 ? July 2, 2004.
- Paik, J., Ge, L., and Sotiropoulos, F., “Recent advances in the numerical simulation of hydraulic engineering flows with unsteady statistical turbulence models” Proceedings of the 6th International Conference on Hydro-science and Engineering (ICHE-2004), Brisbane, Australia, May 30-June 3, 2004.
- Paik, J., Jones, S. C., and Sotiropoulos, F., “DES and URANS of turbulent boundary layer on a concave wall,” Proceedings of the 3rd International Symposium on Turbulent and Shear Flow Phenomena, Sendai, Japan, June 24-27 2003.
- Ge, L., Paik, J., Jones, S. C., and Sotiropoulos, F., “Unsteady RANS of complex 3D flows using overset grids,” Proceedings of the 3rd International Symposium on Turbulent and Shear Flow Phenomena, Sendai, Japan, June 24-27 2003.
- Jones, S. C., Gilmanov, A., Paik, J., and Sotiropoulos, F., “Modeling fish passage through hydropower facilities,” Proceedings of Bioengineering IV, American Fisheries Society Annual Meeting, Baltimore, Maryland, August 2002.
- Paik, J. and Cho, W. “A numerical method for solving 2D depth-averaged turbulent flow”. Proceeding of the 12th Congress of APD-IAHR, Bangkok, Thailand, November. 13-16, 2000.
- Choi, S-U., Paik, J. and Cho, W. “Hydraulic properties of concrete blocks for bed protection,” International Symposium on Scour of Foundations, IS-Scour 2000, Melbourne, Australia. November 19, 2000.
- Paik, J. and Cho, W. “Method of moments with significance level for solving two-dimensional advection-dominated diffusion equation,” Hydraulic Modeling: Proceeding of WEESH, Seoul, Korea, 1999.
- Paik, J., Choi, S-U and Cho, W. “Experimental study on hydraulic properties of G-block for scour and erosion protection.” Proceeding of 3rd Korea-Japan Bilateral Symposium. Seoul, Korea, 1999.
- Paik, J. Bae, D-H., Heo J-H and Cho, W. “Advection simulation by temporal interpolation method of characteristics,” Proceeding of the 10th Congress of APD-IAHR, Langawi, Malaysia. 1998.
Conference Presentations
- Paik, J., Escauriaza, C. and Sotiropoulos, F. “On the physics of the bimodal coherent dynamics of the turbulent horseshoe vortex at Re=1.16×105”. 59th Annual Meeting of the Division of Fluid Dynamics, APS, Tempa, FL, Nov. 19-21, 2006.
- Sotiropoulos, F., Paik, J. and Escauriaza, C. “Reynolds number effects on the coherent dynamics of the turbulent horseshoe vortex”. 59th Annual Meeting of the Division of Fluid Dynamics, APS, Tempa, FL, Nov. 19-21, 2006.
- Eghbalzadeh, A., Paik, J. and Sotiropoulos, F. “High-resolution 2D and 3D numerical simulations of gravity currents.” 59th Annual Meeting of the Division of Fluid Dynamics, APS, Tempa, FL, Nov. 19-21, 2006.
- Escauriaza, C., Paik, J. and Sotiropoulos, F. “Coherent structure dynamics of the horseshoe vortex system induced by a circular cylindrical pier mounted on a flat plate at Re=40,000. DES of turbulent flow past a wall-mounted wing”. 58th Annual Meeting of the Division of Fluid Dynamics, APS, Chicago, IL, Nov. 20-22, 2005.
- Paik, J. and Sotiropoulos, F. “DES of turbulent flow past a wall-mounted wing”. 58th Annual Meeting of the Division of Fluid Dynamics, APS, Chicago, IL, Nov. 20-22, 2005.
- Sotiropoulos, F., Paik, J., and Sale, M. J. “Unsteady CFD modeling of hydraulic turbine flows: Toward environmentally friendly and energy efficient hydropower installations.” World Water & Environmental Resources Congress, Salt Lake City, Utah, USA, June 27 ? July 1, 2004.
- Paik, J. and Sotiropoulos, F. “DES and URANS of massively separated flow past a corner-mounted rectangular block”. 56th Annual Meeting of the Division of Fluid Dynamics, APS, East Rutherford, NJ, Nov. 23-25, 2003.
- Sotiropoulos, F. and Paik. J. “Investigation of concave wall turbulence using DES and URANS”. 56th Annual Meeting of the Division of Fluid Dynamics, APS, East Rutherford, NJ, Nov. 23-25, 2003.