Journal papers

2017

• Jihoon Kim, Jin Hwan Ko, Jaehyun Lee, Doyoung Byun, "Parametric study of the wetting transition of a moving meniscus," Journal of Visualization, Vol.20, 111-123 , Feb, 2017. (SCIE, IF=0.879)

2016

• Jihoon Kim, Patar Ebenezer Sitorus, Boreum Won, Tuyen Quang Le, and Jin Hwan Ko, "Study on Flow Velocity Control of a Multiple Hydrofoil Duct via Flow Visualization Techniques," Structural Engineering and Mechanics, Vol.14, NO.2, 12-17 , Aug, 2016. (KSCI)

• Jeong Sam Han, Boreum Won, Woo Sun Park and Jin Hwan Ko, "Transient response analysis by model order reduction of a Mokpo-Jeju submerged floating tunnel under seismic excitations," Structural Engineering and Mechanics, Vol.57, NO.5 , Mar, 2016. (SCIE, IF=2.804)

• Patar Ebenezer Sitorus, Tuyen Quang Le, Jin Hwan Ko, Tri Quang Truong & Hoon Cheol Park, "Design, implementation, and power estimation of a lab-scale flapping-type turbine," Marine Science and Technology, Vol.21, NO.1 , Mar, 2016. (SCIE, IF=1.845)

2015

• Tuyen Quang Le, Jin Hwan Ko, "Effect of hydrofoil flexibility on the power extraction of a flapping tidal generator via two- and three-dimensional flow simulations," RENEWABLE ENERGY Vol. 10, No.4, Aug, 2015. (SCIE, IF=5.439)

• Jihoon Kim, Tuyen Quang Le, Jin Hwan Ko, Patar Ebenezer Sitorus, "Experimental and numerical study of a dual configuration for a flapping tidal current generator," Bioinspiration & Biomimetics Vol. 80, 275-285, July, 2015. (SCIE, IF=3.130)

2014

• Indra H. Tambunan, Patar E. Sitorus, Hendra A. Putra, Jin Hwan Ko, Hoon Cheol Park, Tae Sam Kang, "Pitch Oscillation Control of Hydroplane in Dual System of Lab-scale Flapping Type Tidal Energy Harvester," The Journal of Instrumentation, Automation and Systems, Vol. 1, No.3, Dec, 2014.

• Tuyen Quang Le, Tien Van Truong, Hieu Trung Tran, Soo Hyung Park, Jin Hwan Ko, Hoon Cheol Park,Doyoung Byun, "How Could Beetle's Elytra Support Their Own Weight during Forward Flight?," Journal of Bionic Engineering, Vol.11, No.4, 529-540, Oct, 2014. (SCIE, IF=2.463)

• T. Q. Truong, P. E. Sitorus, H. C. Park, I. H. Tambunan, H. A. Putra, J. H. Ko & T. S. Kang, "Nonlinear dynamic model for flapping-type tidal energy harvester," Journal of Marine Science and Technology, Vol.19, 406-414, Aug, 2014. (SCIE, IF=1.465)

• Hoon Cheol Park, Quang-Tri Truong, Le-Quang Phan, Jin Hwan Ko, Kwang-Soo Lee, Tuyen Quang Le and Taesam Kang, "Geometry Design of a Pitch Controlling Type Horizontal Axis Turbine and Comparison of Power Coefficients," Journal of the Korean Society for Marine Environment and Energy, Vol.17, NO.3, 167-173, Aug, 2014. (KCI, IF=0.39)

• Tuyen Quang Le, Kwang-Soo Lee, Jin-Soon Park Jin Hwan Ko, "Flow-driven rotor simulation of vertical axis tidal turbines: A comparison of helical and straight blades," International Journal of Naval Architecture and Ocean Engineering, Vol. 6, 257-268, June, 2014. (SCIE, IF=1.465)

• Jihhon Kim, Jin Hwan Ko, Jaehyun Lee, Min Jun Kim, and Doyoung Byun, "Power enhancement of a μl-scale microbial fuel cells by surface roughness," Applied Physics Letters, Vol. 104, 223702, June, 2014. (SCIE, IF=3.521)

• H. S. Jung, K. S. Kim, M. K. Kwak and J. H. Ko, Jin Hwan Ko, Kwang-Soo Lee, Tuyen Quang Le and Taesam Kang, "Effect of polystyrenesulphonate and electrolyte concentration for electrical properties of polypyrrole film on aluminium alloy using conductive AFM," Corrosion Engineering, Science and Technology, Vol.49, NO.7, 608-613, Mar, 2014. (SCIE, IF=1.465)

• Woo-Tae Kim, In-Sung Jang, Jin Hwan Ko, Chang_joo Shin, O-Soon Kwon and Seung-Hyun Lee, "Analysis on the efficiency of underwater SPT module and stability for seabed type geotechnical investigation equipment," Journal of the Korea Academia-Industrial cooperation Society, Vol. 15, 1778-1785, Mar, 2014. (KCI, IF=0.72)

2013

• Tuyen Quang Le, Jin Hwan Ko and Doyoung Byun, "Morphological effect of a scallop shell on a flapping-type tidal stream generator," Bioinspiration & Biomimetics, Vol. 8, NO.3, Aug, 2013. (SCIE, IF=3.130)

• Tri Quang Truong, Vu Hoang Phan and Hoon Cheol Park and Jin Hwan Ko, "Effect of Wing Twisting on Aerodynamic Performance of Flapping Wing System," AMER INST AERONAUTICS ASTRONAUTICS JOURNAL, Vol. 51, NO.7, July, 2013. (SCIE, IF=1.951)

• Tuyen Quang Le, Tien Van Truong, Hieu Trung Tran, Soo Hyung Park, Jin Hwan ko, Hoon cheol Park, Kwang Joon Yoon, Dotoung Byun, "TWO-and Three-Dimensional Simulations of Beetle Hind Wing Flapping during Free Forward Flight," Journal of Bionic Engineering, Vol. 10, 316-328, July, 2013. (SCIE, IF=2.463)

• Yong-Gil Lee, Jin Hwan Ko and Woo-Sun Park, "An Exploraroty Study on the Analysis of the Economic Feasibilty of an Ocean Energy Complex," Journal of the Korean Society of Mineral and Energy Resources Engineers, Vol. 50, 387-398, June, 2013. (KCI, IF=0.15)

• Tuyen Quang Le, Tien Van Truong, Soo Hyung Park, Tri Quang Truong, Jin Hwan Ko,Hoon Cheol Park and Doyoung Byun, "Improvement of the aerodynamic performance by wing flexibility and elytrahind wing interaction of a beetle during forward flight," JOURNAL OF THE ROYAL SOCIETY INTERFACE, Vol. 10, June, 2013. (SCIE, IF=3.224)

2012

• Jin Hwan Ko, In Sung Jang, Woo Tae Kim, O Soon Kwon and Won Dae Baek,"CFD Analysis of Underwater Standard Penetration Test Equipment," Journal of Ocean Engineering and Technology, Vol. 26,33-38, Dec, 2012. (KCI)

• Jin Hwan Ko, Jihoon Kim, Jongin Hongm Yonghoon Yoo, Youngjong Lee, Tai Lie jin, Hoon Cheol Park, Nam Seo Goo and Doyoung Byun,"Micro/nanofabrication for a Realistic Beetle Wing With a Superhydrophobic Surface," Bioinspiration & Biomimetics, Vol. 7, 016011, Mar, 2012. (SCIE, IF=3.130)

2011

• Jin Hwan Ko, Joonho Jeong, Jinbok Choi, and Maenghyo Cho,"Quality factor in clamping loss of nanocantilever resonators," APPLIED PHYSICS LETTERS, Vol. 98, 171909, April, 2011. (SCIE, IF=3.521)

• Jin Hwan Ko, Kwangsub Jung, Seongseop Kim, Wonbae Kim and Maenghyo Cho,"A proper orthogonal decomposition for parametric study of the mechanical behavior of nanowires," Jounal of Mechanical Science and Technology, Vol. 25, 157-162, Jan, 2011. (SCIE, IF=1.221)

2010

• Jin Hwan Ko, Soo Hyung Park, Hoon Cheol Park and Doyoung Byun, "Finite macro-element-based volume grid deformation for large moving boundary problems," A INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING, Vol. 26, 1656-1673, Dec, 2010. (SCIE, IF=2.082)

• Tuyen Quang Le, Do young Byun, Saputra, Jin Hwan Ko, Hoon Choel Park, Min jun Kim, "Numerical investigation of the aerodynamic characteristics of a hovering Coleopteran insect," Journal of Theoretical Biology, Vol. 266, 485-495, Oct, 2010. (SCI, IF=2.574) [Link]

• Jin Hwan Ko and Jaesung Eom, "Two-Level Preconditioner via a Rigid Body Based Aggregation for the Schur Complement System," International Journal for Numerical Methods  in Biomedical Engineering, Vol. 26, 740-751. June 2010.(SCIE) [Link]

• Jin Hwan Ko, Kwangsub Jung, Seongseop Kim, Wonbae Kim, Maenghyo Cho, "A proper orthogonal decomposition for parametric study on mechanical behavior of nanowires," Journal of Mechanical Science and Technology, accepted,  2010.07 (SCIE)

• Tuyen Quang Le, Jin Hwan Ko [Corresponding author], Soo Hyung Park, Hoon Choel Park and Doyoung Byun, "Effct of Chord Flexure on Aerodynamic Performance of a Flapping Wing," Journal of Bionic Engineering, Vol. 7, 87-94, Mar. 2010. (SCIE) [Link]

• Jin Hwan Ko and Doyoung Byun, "Comparison of Numerical Solutions for Mid-Frequency Response Analysis of Finite Element Linear Systems ," Computers & Structures,   Vol. 88, 18-14, Jan. 2010. (SCI, IF=1.440). (SCI, IF=1.223).[Link]

2009

• Jin Hwan Ko , Doyoung Byun, Jeong Sam Han, "An efficient numerical solution for frequency response function of a micromechanical resonator array," Journal of Mechanical Science and Technology, Vol. 23, No. 10, 2694-2702, Oct. 2009. [Link] (SCIE)

• Won-Kap Kim, Jin Hwan Ko, Hoon Cheol Park, Doyoung Byun, "Effects of Corrugation of the Dragonfly Wing on Gliding Performance," Journal of Theoretic Biology, Vol. 260, No. 4, 523-530, 21 Oct. 2009. [Link] (SCI, IF=2.574)

• Jeong Sam Han, Jin Hwan Ko, "Frequency Response Analysis of Array-Type MEMS Resonators by Krylov Subspace Method-Based Model Order Reduction," Korean Society of Mechanical Engineering, A, Vol. 33, No. 9, 878-885, Sep. 2009.

• Jin Hwan Ko , Jee Woong Kim, Doyoung Byun, Soo Hyung Park, "Aerodynamic analysis of flapping foils using volume grid deformation code '', Journal of Mechanical Science and Technology, vol. 23, 1-7, 1 June 2009. [Link] (SCIE)

• Sung Nam Jung, Il-Ju Park, Jin Hwan Ko and  Chang-Wan Kim, "Theory of thin-walled, pretwisted composite beams with elastic couplings'' Advanced Composite Materials,  vol. 19, 105-119, 1 May, 2009. [Link] (SCIE)

• Jaesung Eom, Jin Hwan Ko, and Byungchai Lee, "A macro plane triangle element from the individual element test,'' Finite elements in Analysis and Design, vol. 45, no. 6-7, 422-430, 1 May, 2009. [Link]  (SCI, IF=0.989)

• Jin Hwan Ko , et. al, "Finite macro-element based volume grid deformation for large moving boundary problems,'' Published Online, DOI:10.1002/cnm.1252, 9 April, 2009. [Link] (SCIE)

• Si Bui Quang Tran, Doyoung Byun, Yong Hoon Yoo, Jihoon Kim, Jin Hwan Ko, Jae Woo Lee, Ki Hyun Shin and Yung Hwan Byun, "Experimental and Numerical Study of Air Entrainment Between Web and Spirally Grooved Roller," ASME Transactions, Journal of tribology , vol. 131, 1 April, 2009. [Link]  (SCI, IF=0.722)

• Doyoung Byun, Jongin Hong, Saputra, Jin Hwan Ko , Young Jong Lee, Hoon Cheol Park, Bong-Kyu Byun, Jennifer R. Lukes, "Wetting Characteristics of Insect Wing Surfaces," Journal of bionic engineering, Vol. 6, 63-70, 1 March, 2009. [Link] (SCIE)

2008

• Jin Hwan Ko , Jee Woong Kim, Doyoung Byun and Soo Hyung Park, "Volume grid deformation code for computational fluid dynamics of moving boundary problem,'' The Korean Society for Aeronautical & Space Sciences, Vol. 36, No. 11, 1049-1055, Nov. 2008.

• Jin Hwan Ko and Byungchai Lee, "Aggregation Multigrid Method for Schur Complement System in FE Analysis of Continuum Elements,'' Structural engineering & mechanics, Vol.30, No. 4 467-480, Nov. 2008. [Link] (SCIE)

• Jin Hwan Ko and Zhaojun Bai, "High Frequency Response Analysis via Algebraic Substructuring,'' International Journal of Numerical Method in Engineering, Vol. 76, No. 3, 295-313, Oct. 2008. [Link] ( SCI)

• Jin Hwan Ko , Sung Nam Jung Do Young Byun and Zhaojun Bai, ``An algebraic substructuring using multiple shifts for eigenvalue computations,'' Journal of Mechanical Science and Technology, Vol. 22, pp. 440-449, 2008.  [Link]   (SCIE)

2007

• Jin Hwan Ko and Do Young Byun "Interior eigenvalue computation using algebraic substructuring,'' Computational Structural Engineering Institute of Korea, Vol. 20, No. 6, 745-751, 2007.

2006

• Jin Hwan Ko and Byungchai Lee, "Preconditioning Schur complement matrices based on an aggregation multigrid method for shell structures", Computers & Structures, Volume 84, Issues 29-30, pp. 1853-1865, Nov. 2006. [Link]  (SCI)

Before 2006

• Jin Hwan Ko and Byungchai Lee, "Study on Robustness of Incomplete Factorization using Preconditioning for Conjugate Gradient Method," KSME, A, vol. 27, no 2, pp. 276-284, 2003.  Abstract

• Seungtae Yeo, Jin Hwan Ko, and Byungchai Lee, "Consistent thermal stress calculation by using a new approach of the enhanced assumed strain method," Computer methods in applied mechanics and Engineering, Vol. 188, No. 1-3, pp. 331-345, 2000.  [Link] (SCI)

• Jin Hwan Ko and Byungchai Lee, "Development of a Quadrilateral Enhanced Assumed Strain Element for Efficient and Accurate Thermal stress Analysis," Korean Society of Mechanical Engineering (KSME), A, vol. 23, no 7, pp. 1205-1214, 1999. Abstract

Proceedings

• Patar Ebenezer Sitorus, Boreum Won, Jin Hwan Ko, , "Numerical Study on Power Balance of Front and Rear Hydrofoils in Dual Configuration of a Flapping- Type Tidal Energy Harvester,"The 27th International Ocean and Polar Engineering Conference, 2017

• Jihoon Kim, Hyeju Park, Jin Hwan Ko, Bo Reum Won, Patar Ebenezer Sitorus, Jin-Soon Park, Kwang-Soo Lee, , "Development of a Pitch Controller via Multiple-step Experiments of Scale Models of a Horizontal Axis Tidal Current Turbine,"The 27th International Ocean and Polar Engineering Conference, 2017

• Patar Ebenezer Sitorus and Jin Hwan Ko, Oh Soon Kwon, , "Parameter Study of Chain Trenching Machines of Underwater Construction Robots via Analytical Model,"OCEANS 2016 MTS/IEEE Monterey, 2016

• Jin Hwan Ko, Jihoon Kim, Patar Ebenezer Sitorus, and Hyeju Park, , "Development of a dual flapping tidal current generator in Korea,"OCEANS 2016 MTS/IEEE Monterey, 2016

• Jin Hwan Ko, Jihoon Kim, , "Experimental Study on New Active Yaw Controller of Scale Models of Tidal Current Turbines,"The Twenty-fifth International Ocean and Polar Engineering Conference, 2015

• Patar Ebenezer Sitorus, Tuyen Quang Le, Jin Hwan Ko, Quang-Tri Truong, Indra Hartarto Tambunan, Taesam Kang, Hoon Cheol Park, , "Progress on Development of a Lab-scale Flapping- Type Tidal Energy Harvesting System in KIOST," IEEE Conference on Clean Energy and Technology,2013.

• Jin Hwan Ko , "Fluid-solid interaction using volume grid deformation for a flapping foil," Computational Structural Engineering Institute of Korea Conference, 2009.

• Jin Hwan Ko , "Model Order Reduction for Mid-Frequency Response Analysis," KSME/CAE conference, Korea, 2009

• Tuyen Le Quang, Doyoung Byun, Young Hoon Yoo, Jin Hwan Ko, and Hoon Choel Park, "Experimental and numerical investigation of beetle flight,'' IEEE Robio 2008 conference. [Link]

• Jin Hwan Ko , Jeong-Sam Han, Zhaojun Bai, "A substructuring based model order reduction for frequency response analysis of a micromechanical resonator array,'', 5-th CJK-OSM international conference, Korea, 2008.

• Jee Woong Kim, Soo Hyung Park, Jin Hwan Ko, Il-Ju Park,  Sung Nam Jung, Yung Hoon Yu, Eugene Kim, and Jang Hyuk Kwon, "Hovering rotor computation including aero-elastic effects with an overlapped grid Navier-Stokes solver'' AIAA 2008 conference, Hawaii,USA. [Link]

• Jin Hwan Ko , Jee Woong Kim, Soo Hyung Park, Tuyen Le Quang, and Doyoung Byun, "Volume grid deformation code for computational fluid dynamics of a flapping foil,'' KSME/BIO conference, Korea, 2008.

• Jin Hwan Ko and Zhaojun Bai, "Algebraic substructuring with frequency sweep algorithm for mid-frequency response analysis,'' KSME/CAE conference, Korea 2008.

• Jin Hwan Ko, Zhaojun Bai, "An Algebraic Substructuring Method for High-Frequency Response Analysis of Micro-system,'' Proceeding of International conference on Computational Science, China, 2007; Lecture Notes in Computer Science, Volume 4487/2007 . [Link]

• Zhaojun Bai, Jin Hwan Ko, "Algebraic Substructuring for Eigenvalue and Frequency Response Calculation", Proceeding of SIAM Conference on Computational Science and Eigineering, California, US, 2007

• Usmonov Botir, Jin Hwan Ko, "Vibration Analysis of One-Dimensional Viscoelastic Structures'', Rotor Korea 2007, AHS specialists' International Conference, Korea, 2007.

• Il Ju Park, Sung Nam Jung and Jin Hwan Ko, "Mixed Beam Approach for Structural Behavior of Initially Twisted, Thin-Walled Composite,'' Proceeding of 15th International Conference on Composite/Nano Eigineering, China, 2007.

• Jin Hwan Ko and Zhaojun Bai, "A high efficient solver for high-Frequency response analysis of MEMS resonators,'' KSME spring conference, Korea 2007.

• Jin Hwan Ko and Byungchai Lee, "Study on the Relation between Ordering Methods and Linear Solvers", Proceeding of the KSME 2002 Joint Symposium, Abstract