International Journal Papers

International Journal Papers

[44 published, 0 accepted (in press), 2 submitted]

(Submitted / In preparation)

1. Moonhong Kim and Dongwoo Sohn*,
   Coupling of finite and boundary element methods for contact analysis of dielectric solids immersed in an electrostatic medium,
   Submitted.

2. 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,
   Submitted.

3. Hobeom Kim, Dongwoo Sohn, et al.,
   Thermomechanical contact analysis using polyhedral smoothed finite elements, In preparation.

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

+ A coupled CFD-DEM analysis of purge gas flow through pebble beds considering pebble segregation

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

+ Converting hexhedral elements at nonmatching interfaces into polyhedral elements at matching interfaces

+ Polyhedral element approach in optimization problems requiring remeshing

(Published / Accepted for Publication)

[2024]

1. 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. [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. [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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi:10.1016/j.ijsolstr.2015.06.026]
   (Corrigendum: Vol. 90, pp. 261, Jul-2016. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi: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. [doi:10.1142/S1756973709000086]