International Journal Papers

[48 published, 1 accepted (in press), 2 submitted]

(Submitted / In preparation)

1. Artificial neural network-guided optimization of kagome bone regeneration scaffolds based on asymptotic expansion homogenization results and its validation via additive manufacturing

2. Structural safety and stability of seawater exchange breakwater assembled with precast concrete blocks

+ DEM simulation of binary-sized pebble packing in cuboidal and cylindrical containers according to vibration conditions

+ Simulation-based optimization using polyhedral elements for optimization problems requiring continuous remeshing

+ Finite element analysis of trimmed quadrilateral meshes using pentagonal and hexagonal quadratic elements 

+ Node-to-node contact scheme for thermomechanical analysis using polyhedral smoothed finite elements 

+ CFD–DEM study of gravity-induced effects of packed bed orientation on gas flow and heat transfer

(Published / Accepted for Publication)

[2025]

1. Uk Jin Jung, Donghyun Kim, Youngjae Shin, Moonhong Kim, Dong-Wook Seo*, and Dongwoo Sohn*,
   Numerical analysis of blast-induced chaff distribution using CFD–DEM coupling framework,
   Computational Particle Mechanics (ISSN: 2196-4378), Accepted. [Journal: https://link.springer.com/journal/40571]

2. Rigoberto Lopez Reyes, Min-Soo Ghim, Eun Chae Kim, Nae-Un Kang, Dongwoo Sohn, and Young-Sam Cho*,
   Hybrid modified cubic-honeycomb-plate structure: A novel bone regeneration scaffold with enhanced mechanical stiffness achieved through high printing fidelity,
   Journal of Bionic Engineering (ISSN: 1672-6529), Vol. 22(4), pp. 1881-1909, Jul-2025. [https://doi.org/10.1007/s42235-025-00733-5]

3. Youngjae Shin, Seunghun Lee, Uk Jin Jung, Moonhong Kim*, and Dongwoo Sohn*,
   Homogenization using lattice spring models for couple stress theory under plane strain deformation,
   Journal of Mechanical Science and Technology (ISSN: 1738-494X), Vol. 39(2), pp. 767-775, Feb-2025. [https://doi.org/10.1007/s12206-025-0121-9]

4. Moonhong Kim and Dongwoo Sohn*,
   Coupling of finite and boundary element methods for contact analysis of dielectric solids immersed in electrostatic medium,
   Computers & Structures (ISSN: 0045-7949), Vol. 307, pp. 107591, Jan-15-2025. [https://doi.org/10.1016/j.compstruc.2024.107591]

[2024]

1. Hwangki Cho, Jun Su Park, You Sung Han, Guanshui Xu*, and Dongwoo Sohn*,
   Electromagnetic–thermal–mechanical coupling analysis of bent rotor straightening via electromagnetic induction heating,
   Journal of Computational Design and Engineering (EISSN: 2288-5048), Vol. 11(6), pp. 283-299, Dec-2024. [https://doi.org/10.1093/jcde/qwae104]

2. Moonhong Kim*, Seunghun Lee, Dongwoo Sohn*, and Hyun-Gyu Kim,
   Determination of flexoelectric coefficients of higher-order continuum theories from CsCl lattice model,
   International Journal of Solids and Structures (ISSN: 0020-7683), Vol. 286-287, pp. 112596, Jan-01-2024. [https://doi.org/10.1016/j.ijsolstr.2023.112596]

[2023]

1. Jun-Seon Kim, Uk Jin Jung, Su-Hong Park, Dong-Yeob Lee, Moonhong Kim, Dongwoo Sohn, and Dong-Wook Seo*,
   Modeling and dynamic radar cross-section estimation of chaff clouds for real-time simulation,
   Remote Sensing (ISSN: 2072-4292), Vol. 15(14), pp. 3587, Jul-18-2023. [https://doi.org/10.3390/rs15143587]

[2022]

1. Hwangki Cho, Min Kuk Choi, Sangjin Park, Moonhong Kim, Jihoon Han*, and Dongwoo Sohn*,
   Determination of critical ricochet conditions for oblique impact of ogive-nosed projectiles on concrete targets using semi-empirical model,
   International Journal of Impact Engineering (ISSN: 0734-743X), Vol. 165, pp. 104214, Jul-2022. [https://doi.org/10.1016/j.ijimpeng.2022.104214]

2. Son H. Nguyen, Dongwoo Sohn, and Hyun-Gyu Kim*,
   A novel hr-adaptive mesh refinement scheme for stress-constrained shape and topology optimization using level-set-based trimmed meshes,
   Structural and Multidisciplinary Optimization (ISSN: 1615-147X), Vol. 65(2), pp. 71, Feb-2022. [https://doi.org/10.1007/s00158-021-03132-6]

[2021]

1. Dae-Ock Kim, Seon-Pil Hwang, and Dongwoo Sohn*,
   DEM study of packing and connectivity of binary-sized pebbles according to their size and mixing ratios under vibration conditions,
   Fusion Engineering and Design (ISSN: 0920-3796), Vol. 168, pp. 112648, Jul-2021. [https://doi.org/10.1016/j.fusengdes.2021.112648]

2. Kyeongjin Kim, Hwangki Cho, Dongwoo Sohn*, and Jaeha Lee*,
   The use of expansive chemical agents for concrete demolition: Example of practical design and application,
   Construction and Building Materials (ISSN: 0950-0618), Vol. 272, pp. 121849, Feb-22-2021. [https://doi.org/10.1016/j.conbuildmat.2020.121849]

3. Dongwoo Sohn and Jihoon Han*,
   An empirical approach for penetration of tandem warheads into concrete targets,
   Engineering Failure Analysis (ISSN: 1350-6307), Vol. 120, pp. 105043, Feb-2021. [https://doi.org/10.1016/j.engfailanal.2020.105043]

[2020]

1. Youngmin Lee, Dongkwon Choi, Seon-Pil Hwang, Mu-Young Ahn, Yi-Hyun Park, Seungyon Cho, and Dongwoo Sohn*,
   Numerical investigation of purge gas flow through binary-sized pebble beds using discrete element method and computational fluid dynamics,
   Fusion Engineering and Design (ISSN: 0920-3796), Vol. 158, pp. 111704, Sep-2020. [https://doi.org/10.1016/j.fusengdes.2020.111704]

[2019]

1. Youngmin Lee, Suhwan Yu, Mu-Young Ahn, Yi-Hyun Park, Seungyon Cho, and Dongwoo Sohn*,
   Numerical investigation of mechanical and thermal characteristics of binary-sized pebble beds using discrete element method,
   Fusion Engineering and Design (ISSN: 0920-3796), Vol. 146 (Part B), pp. 2285-2291, Sep-2019. [https://doi.org/10.1016/j.fusengdes.2019.03.173]

2. Shin-Mu Park, Jae Hyuk Lim*, Myeong Ryun Seong, and Dongwoo Sohn,
   Efficient generator of random fiber distribution with diverse volume fractions by random fiber removal,
   Composites Part B: Engineering (ISSN: 1359-8368), Vol. 167, pp. 302-316, Jun-15-2019. [https://doi.org/10.1016/j.compositesb.2018.12.042]

3. Dongkwon Choi, Sanghyun Park, Jihoon Han, Mu-Young Ahn, Youngmin Lee, Yi-Hyun Park, Seungyon Cho, and Dongwoo Sohn*,
   A DEM-CFD study of the effects of size distributions and packing fractions of pebbles on purge gas flow through pebble beds,
   Fusion Engineering and Design (ISSN: 0920-3796), Vol. 143, pp. 24-34, Jun-2019. [https://doi.org/10.1016/j.fusengdes.2019.03.068]

4. Sangjun Kim, Dongwoo Sohn*, and Seyoung Im,
   Construction of polyhedral finite element meshes based upon marching cube algorithm,
   Advances in Engineering Software (ISSN: 0965-9978), Vol. 128, pp. 98-112, Feb-2019. [https://doi.org/10.1016/j.advengsoft.2018.11.014]

[2018]

1. Hwangki Cho, Yunmin Nam, Kyeongjin Kim, Jaeha Lee*, and Dongwoo Sohn*,
   Numerical simulations of crack path control using soundless chemical demolition agents and estimation of required pressure for plain concrete demolition,
   Materials and Structures (ISSN: 1359-5997), Vol. 51(6), pp. 169, Dec-2018. [https://doi.org/10.1617/s11527-018-1292-y]

2. Dongwoo Sohn*, Youngmin Lee, Mu-Young Ahn, Yi-Hyun Park, and Seungyon Cho,
   Numerical prediction of packing behavior and thermal conductivity of pebble beds according to pebble size distributions and friction coefficients,
   Fusion Engineering and Design (ISSN: 0920-3796), Vol. 137, pp. 182-190, Dec-2018. [https://doi.org/10.1016/j.fusengdes.2018.09.012]

3. Dongwoo Sohn*,
   Periodic mesh generation and homogenization of inclusion-reinforced composites using an element-carving technique with local mesh refinement,
   Composite Structures (ISSN: 0263-8223), Vol. 185, pp. 65-80, Feb-01-2018. [https://doi.org/10.1016/j.compstruct.2017.10.088]

[2017]

1. Son Nguyen-Hoang, Dongwoo Sohn, and Hyun-Gyu Kim*,
   A new polyhedral element for the analysis of hexahedral-dominant finite element models and its application to nonlinear solid mechanics problems,
   Computer Methods in Applied Mechanics and Engineering (ISSN: 0045-7825), Vol. 324, pp. 248-277, Sep-01-2017. [https://doi.org/10.1016/j.cma.2017.06.014]

2. Jae Hyuk Lim, Hobeom Kim, Sun-Won Kim, and Dongwoo Sohn*,
   A microstructure modeling scheme for unidirectional composites using signed distance function based boundary smoothing and element trimming,
   Advances in Engineering Software (ISSN: 0965-9978), Vol. 109, pp. 1-14, Jul-2017. [https://doi.org/10.1016/j.advengsoft.2017.02.014]

3. Jihoon Han, Dongwoo Sohn, Wanchuck Woo, and Dong-Kyu Kim*,
   Molecular dynamics study of fracture toughness and trans-intergranular transition in bi-crystalline graphene,
   Computational Materials Science (ISSN: 0927-0256), Vol. 129, pp. 323-331, Mar-2017. [https://doi.org/10.1016/j.commatsci.2016.12.023]

[2016]

1. Jihoon Han, Seunghwa Ryu*, and Dongwoo Sohn*,
   A feasibility study on the fracture strength measurement of polycrystalline graphene using nanoindentation with a cylindrical indenter,
   Carbon (ISSN: 0008-6223), Vol. 107, pp. 310–318, Oct-2016. [https://doi.org/10.1016/j.carbon.2016.06.004]

2. Jae Hyuk Lim*, Do-Soon Hwang, Dongwoo Sohn, and Jin-Gyun Kim,
   Improving the reliability of the frequency response function through semi-direct finite element model updating,
   Aerospace Science and Technology (ISSN: 1270-9638), Vol. 54, pp. 59-71, Jul-2016. [https://doi.org/10.1016/j.ast.2016.04.003]

3. Jihoon Han, Seunghwa Ryu, Dong-Kyu Kim, Wanchuck Woo, and Dongwoo Sohn*,
   Effect of interlayer sliding on the estimation of elastic modulus of multilayer graphene in nanoindentation simulation,
   EPL (Europhysics Letters) (ISSN: 0295-5075), Vol. 114(6), pp. 68001, Jun-2016. [https://doi.org/10.1209/0295-5075/114/68001]

4. Seungmin Jin, Dongwoo Sohn, and Seyoung Im*,
   Node-to-node scheme for three-dimensional contact mechanics using polyhedral type variable-node elements,
   Computer Methods in Applied Mechanics and Engineering (ISSN: 0045-7825), Vol. 304, pp. 217-242, Jun-01-2016. [https://doi.org/10.1016/j.cma.2016.02.019]

5. Jae Hyuk Lim, Milan Henry, Do-Soon Hwang, and Dongwoo Sohn*,
   Numerical prediction of fiber mechanical properties considering random microstructures using inverse analysis with quasi-analytical gradients,
   Applied Mathematics and Computation (ISSN: 0096-3003), Vol. 273, pp. 201-216, Jan-15-2016. [https://doi.org/10.1016/j.amc.2015.09.076]

[2015]

1. A Ra Jo, Myoung Wha Hong, Yong Sang Cho, Ki Myoung Song, Jun Hee Lee, Dongwoo Sohn, Young-Yul Kim*, and Young-Sam Cho*,
   Assessment of cell proliferation in knitting scaffolds with respect to pore-size heterogeneity, surface wettability, and surface roughness,
   Journal of Applied Polymer Science (ISSN: 0021-8995), Vol. 132(38), pp. 42566, Oct-10-2015. [https://doi.org/10.1002/app.42566]

2. Dongwoo Sohn, Hyung-Suk Won, Bongkyun Jang, Jae-Hyun Kim, Hak-Joo Lee, and Seung Tae Choi*,
   Extended JKR theory on adhesive contact between elastic coatings on rigid cylinders under plane strain,
   International Journal of Solids and Structures (ISSN: 0020-7683), Vol. 71, pp. 244-254, Oct-01-2015. [https://doi.org/10.1016/j.ijsolstr.2015.06.026]
   (Corrigendum: Vol. 90, pp. 261, Jul-2016. [https://doi.org/10.1016/j.ijsolstr.2016.03.024])

3. Dongwoo Sohn* and Seungmin Jin,
   Polyhedral elements with strain smoothing for coupling hexahedral meshes at arbitrary nonmatching interfaces,
   Computer Methods in Applied Mechanics and Engineering (ISSN: 0045-7825), Vol. 293, pp. 92-113, Aug-15-2015. [https://doi.org/10.1016/j.cma.2015.04.007]

4. Seungmin Jin, Dongwoo Sohn, Jae Hyuk Lim, and Seyoung Im*,
   A node-to-node scheme with the aid of variable-node elements for elasto-plastic contact analysis,
   International Journal for Numerical Methods in Engineering (ISSN: 0029-5981), Vol. 102(12), pp. 1761-1783, Jun-22-2015. [https://doi.org/10.1002/nme.4862]

5. Hyun-Gyu Kim* and Dongwoo Sohn,
   A new finite element approach for solving three-dimensional problems using trimmed hexahedral elements,
   International Journal for Numerical Methods in Engineering (ISSN: 0029-5981), Vol. 102(9), pp. 1527-1553, Jun-01-2015. [https://doi.org/10.1002/nme.4850]

6. Jae Hyuk Lim, Jean-Baptiste Charpentier, and Dongwoo Sohn*,
   Numerical evaluation of the coefficients of thermal expansion of fibers in composite materials using a lamina-scale cost function with quasi-analytical gradients,
   Journal of Mechanical Science and Technology (ISSN: 1738-494X), Vol. 29(3), pp. 1187-1197, Mar-2015. [https://doi.org/10.1007/s12206-015-0231-x]

7. Kyehyung Lee, Jae Hyuk Lim, Dongwoo Sohn, and Seyoung Im*,
   A three-dimensional cell-based smoothed finite element method for elasto-plasticity,
   Journal of Mechanical Science and Technology (ISSN: 1738-494X), Vol. 29(2), pp. 611-623, Feb-2015. [https://doi.org/10.1007/s12206-015-0121-2]

[2014]

1. Yong-Soo Kang, Jungdo Kim, Dongwoo Sohn, Jeong Ho Kim, Hyun-Gyu Kim, and Seyoung Im*,
   A new three-dimensional variable-node finite element and its application for fluid-solid interaction problems,
   Computer Methods in Applied Mechanics and Engineering (ISSN: 0045-7825), Vol. 281, pp. 81-105, Nov-01-2014. [https://doi.org/10.1016/j.cma.2014.07.026]

2. Jihoon Han, Mingyu Park, Arim Lee, Dongwoo Sohn, Jaeshin Park, and Seyoung Im*,
   Temperature dependence of screw dislocation mobility on shuffle-set of silicon,
   Metals and Materials International (ISSN: 1598-9623), Vol. 20(5), pp. 899-907, Sep-2014. [https://doi.org/10.1007/s12540-014-5015-9]

3. Jihoon Han, Seunghwa Ryu, Dongwoo Sohn, and Seyoung Im*,
   Mechanical strength characteristics of asymmetric tilt grain boundaries in graphene,
   Carbon (ISSN: 0008-6223), Vol. 68, pp. 250-257, Mar-2014. [https://doi.org/10.1016/j.carbon.2013.10.085]

4. Yong-Soo Kang, Dongwoo Sohn, Jeong Ho Kim, Hyun-Gyu Kim*, and Seyoung Im,
   A sliding mesh technique for the finite element simulation of fluid-solid interaction problems by using variable-node elements,
   Computers & Structures (ISSN: 0045-7949), Vol. 130, pp. 91-104, Jan-2014. [https://doi.org/10.1016/j.compstruc.2013.10.003]

[2013]

1. Dongwoo Sohn*, Jae Hyuk Lim, and Seyoung Im,
   An efficient scheme for coupling dissimilar hexahedral meshes with the aid of variable-node transition elements,
   Advances in Engineering Software (ISSN: 0965-9978), Vol. 65, pp. 200-215, Nov-2013. [https://doi.org/10.1016/j.advengsoft.2013.06.017]

2. Ghi Pyoung Choi, Dongwoo Sohn, Chang Hee Woo, Se-Hwan Lee, Sang Hyun Ahn, and Young-Sam Cho*,
   Qualitative verification of the dispersion level in nano-composite and its application to YD-128/MWCNT composite to assess the wear characteristics with respect to the dispersion level,
   Journal of Mechanical Science and Technology (ISSN: 1738-494X), Vol. 27(10), pp. 3131-3138, Oct-2013. [https://doi.org/10.1007/s12206-013-0833-0]

3. Dongwoo Sohn and Seyoung Im*,
   Variable-node plate and shell elements with assumed natural strain and smoothed integration methods for nonmatching meshes,
   Computational Mechanics (ISSN: 0178-7675), Vol. 51(6), pp. 927-948, Jun-2013. [https://doi.org/10.1007/s00466-012-0774-y]

4. Dongwoo Sohn, Jihoon Han, Young-Sam Cho, and Seyoung Im*,
   A finite element scheme with the aid of a new carving technique combined with smoothed integration,
   Computer Methods in Applied Mechanics and Engineering (ISSN: 0045-7825), Vol. 254, pp. 42-60, Feb-2013. [https://doi.org/10.1016/j.cma.2012.10.014]

[2009–2012]

1. Jae Hyuk Lim, Dongwoo Sohn, and Seyoung Im*,
   Variable-node finite element families for mesh connection and adaptive mesh computation,
   Structural Engineering and Mechanics (ISSN: 1225-4568), Vol. 43(3), pp. 349-370, Aug-2012. [https://doi.org/10.12989/sem.2012.43.3.349]

2. Dongwoo Sohn, Young-Sam Cho*, and Seyoung Im,
   A novel scheme to generate meshes with hexahedral elements and poly-pyramid elements: The carving technique,
   Computer Methods in Applied Mechanics and Engineering (ISSN: 0045-7825), Vol. 201-204, pp. 208-227, Jan-2012. [https://doi.org/10.1016/j.cma.2011.09.002]

3. Dongwoo Sohn, Jae Hyuk Lim, Young-Sam Cho, Jeong Ho Kim, and Seyoung Im*,
   Finite element analysis of quasistatic crack propagation in brittle media with voids or inclusions,
   Journal of Computational Physics (ISSN: 0021-9991), Vol. 230(17), pp. 6866-6899, Jul-20-2011. [https://doi.org/10.1016/j.jcp.2011.05.016]

4. Jae Hyuk Lim, Dongwoo Sohn, Jun Ho Lee, and Seyoung Im*,
   Variable-node finite elements with smoothed integration techniques and their applications for multiscale mechanics problems,
   Computers & Structures (ISSN: 0045-7949), Vol. 88(7-8), pp. 413-425, Apr-2010. [https://doi.org/10.1016/j.compstruc.2009.12.004]

5. Sungjin Kwon, Youngmin Lee, Jong Youn Park, Dongwoo Sohn, Jae Hyuk Lim, and Seyoung Im*,
   An efficient three-dimensional adaptive quasicontinuum method using variable-node elements,
   Journal of Computational Physics (ISSN: 0021-9991), Vol. 228(13), pp. 4789-4810, Jul-20-2009. [https://doi.org/10.1016/j.jcp.2009.03.028]

6. Dongwoo Sohn, Jae Hyuk Lim, Young-Sam Cho, and Seyoung Im*,
   Multiscale finite element method for heterogeneous media with microstructures: Crack propagation in a porous medium,
   Journal of Multiscale Modelling (ISSN: 1756-9737), Vol. 1(1), pp. 157-176, Jan-2009. [https://doi.org/10.1142/S1756973709000086]