Developed methods for fluid-structure interaction problems leading to the dynamic failure of the solid.
Multiscale Analysis for Failure: multiscale aggregating discontinuities (MAD) method
Developed methods for coarse-graining micro-macro failure behavior.
Finite Element Method: extended finite element method (XFEM)
Meshfree Particle Method: element-free Galerkin method (EFGM)
Expanded and applied methods to various solid/fluid engineering problems.
High-Performance Computing
Developed parallel MPI code for practical engineering problems.
RESEARCH EXPERIENCE
Graduate Research Assistant (08/2004-06/2008): Northwestern University, Evanston, IL
Associate Researcher (02/2004-07/2004): Disaster Research Center of Yonsei University, Korea
Pre-doctoral fellow (03/2003-01/2004): Northwestern University, Evanston, IL
Graduate Research Assistant (02/2002-02/2003): Yonsei University, Korea
PROFESSIONAL & SERVICE ACTIVITIES
SOCIETY AFFILIATIONS
International Association on Computational Mechanics (Since 2006)
Korean Society of Civil Engineers, Korea (Since 2001)
Computational Structural Engineering Institute, Korea (Since 2001)
CONFERENCE ORGANIZATION
Topic co-organizer, ASME International Mechanical Engineering Congress and Exposition, Lake Buena Vista, Florida, 2009.
REVIEWING FOR JOURNALS
International Journal for Numerical Methods in Engineering (Since 2006)
Communications in Numerical Methods in Engineering (Since 2006)
KSCE Journal of Civil Engineering (Since 2009)
PUBLICATIONS
REFEREED JOURNAL ARTICLES
- Articles in Review
T. Menouillard, J.H. Song, Q. Duan and T. Belytschko*, "Time dependent crack tip enrichment for dynamic crack propagation", International Journal of Fracture, submitted.
O. Barkai, T. Menouillard, J.H. Song, T. Belytschko and D. Sherman*, "Slow and fast crack propagation in brittle specimens: experiments by a novel method and computations", Experimental Mechanics, submitted.
J.H. Song*, S.I. Park, H.J. Kim and S.H. Lee, "Explicit dynamic finite element method for fracture of shells", Structural Engineering & Mechanics, submitted.
- International Journals (SCI listed journals)
Q. Duan, J.H. Song, T. Menouillard and T. Belytschko*, "Element-local level set method for three-dimensional dynamic crack growth", International Journal for Numerical Methods in Engineering, accepted.
T. Rabczuk, R. Gracie, J.H. Song and T. Belytschko*, "Immersed particle method for fluid-structure interaction", International Journal for Numerical Methods in Engineering, accepted.
J.H. Song* and S.H. Lee, "Explicit dynamic finite element method for fractures with stable fracture dissipations", International Journal for Numerical Methods in Engineering, accepted.
J.H. Song* and T. Belytschko, "Dynamic fracture of shells subjected to impulsive loads", ASME Journal of Applied Mechanics, accepted.
T. Belytschko* and J.H. Song, "Coarse graining of micro-macro multiscale failure", International Journal for Numerical Methods in Engineering, accepted.
J.H. Song and T. Belytschko*, "Multiscale aggregating discontinuities method for micro-macro failure of composites", Composite Part B: Engineering, accepted.
T. Rabczuk, J.H. Song* and T. Belytschko, "Simulations of instability in dynamic fracture by the cracking particles method", Engineering Fracture Mechanics, 76:730-741 (2009). [PDF]
J.H. Song and T. Belytschko*, "Cracking node method for dynamic fracture with finite elements", International Journal for Numerical Methods in Engineering, 77:360-385 (2009). [PDF]
J.H. Song, H.W. Wang and T. Belytschko*, "A comparative study on finite element methods for dynamic fracture", Computational Mechanics, 42:239-250 (2008). [PDF]
T. Belytschko*, S. Loehnert and J.H. Song, "Multiscale aggregating discontinuities: A method for circumventing loss of material stability", International Journal for Numerical Methods in Engineering,International Journal for Numerical Methods in Engineering, 73: 869-894 (2008). [PDF]
J.H. Song, P.M.A. Areias and T. Belytschko*, "A method for dynamic crack and shear band propagation with phantom nodes", International Journal for Numerical Methods in Engineering, 67: 868-893 (2006). [PDF]
P.M.A. Areias, J.H. Song and T. Belytschko*, "Analysis of fracture in thin shells by overlapping paired elements", Computer Methods in Applied Mechanics and Engineering, 195: 5343-5360 (2006). [PDF]
P.M.A. Areias, J.H. Song and T. Belytschko*, "A finite-strain quadrilateral shell element based on discrete Kirchhoff-Love constraints", International Journal for Numerical Methods in Engineering, 64: 1166-1206 (2005). [PDF]
G. Zi*, J.H. Song, E. Budyn, S.H. Lee and T. Belytschko, "A new method for multiple cracks and its application to fatigue crack growth", Modeling and Simulations in Materials Science and Engineering, 12: 901-915 (2004). [PDF](Selected for inclusion in Institute Of Physics).
S.H. Lee*, J.H. Song, Y.C. Yoon, G. Zi and T. Belytschko, "Combined extended and superimposed finite element method for crack", International Journal for Numerical Methods in Engineering, 59: 1119-1136 (2004). [PDF]
- Korean Domestic Journals (Korea Research Foundation listed journals)
G. Zi*, J.H. Song and S.H. Lee, "A new method for growing multiple cracks without remeshing and its application to fatigue crack growth", KSCE, Journal of the Korean Society of Civil Engineers, 25:183-190 (2005). [PDF]
S.H. Lee*, J.H. Song and M.Y. Kim, "Crack propagation analysis without mesh-dependency by using extended finite element method", KSCE, Journal of the Korean Society of Civil Engineers, 23: 1077-1086 (2003). [PDF]
(*: corresponding author)
CHAPTERS IN BOOK
T. Belytschko, J.H. Song, H.W. Wang and R. Gracie, "On applications of XFEM to dynamic fracture and dislocations", IUTAM Symposium on Discretization Methods for Evolving Discontinuities, edited by A. Combescure, R. de Borst and T. Belytschko, Springer, 2007. [Link]
REFEREED CONFERENCE PROCEEDINGS & PRESENTATIONS
- International Conferences
J.H. Song and T. Belytschko, "Multiscale aggregating discontinuities method for failure", ASME IMECE'09, Lake Buena Vista, Florida, 2009.
J.H. Song and T. Belytschko "Multiscale aggregating discontinuities method: coarse graining of micro-macro multiscale failure", 10th USNCCM, Columbus, OH, 2009.
T. Menouillard, J.H. Song and T. Belytschko, "Improved crack tip enrichment in the extended finite element method for explicit dynamics", 10th USNCCM, Columbus, OH, 2009.
Q. Duan, J.H. Song and T. Belytschko, "Element-local level set method for 3D dynamic crack growth', 10th USNCCM, Columbus, OH, 2009.
T. Belytschko and J.H. Song, "Multiscale methods for failure: part I. theory", ASME IMECE'08, Boston, MA, 2008.
J.H. Song and T. Belytschko, "Multiscale methods for failure: part II. applications", ASME IMECE'08, Boston, MA, 2008.
J.H. Song, S. Loehnert and T. Belytschko, "Multiscale equivalent aggregating discontinuities: circumventing loss of ellipticity", 8th WCCM / ECCOMAS2008, Venice, Italy, 2008. [PDF]
J.H. Song, D.J. Kim, S.H. Lee and T. Belytschko, "A comparative study on dynamic fracture with finite element methods", 8th WCCM / ECCOMAS2008, Venice, Italy, 2008. [PDF]
T. Belytschko, J.H. Song, R. Gracie and J. Oswald, "Advances in the extended finite element method(XFEM)", 8th WCCM / ECCOMAS2008, Venice, Italy, 2008.
J.H. Song, S.I. Park, D.J. Kim and S.H. Lee, "Explicit dynamic finite element method for fracture of shell structures", 4th ASEM08, Jeju, Korea, 2008
T. Belytschko, J.H. Song and S. Loehnert, "Multiscale methods for the failure of heterogeneous materials", 10th PACAM, Cancun, Mexico, 2008.
T. Belytschko, J.H. Song and M. Xu, "Multiscale methods for failure analysis: circumventing loss of quasi-convexity", 9th COMPLAS, Barcelona, Spain, 2007.
J.H. Song and T. Belytschko, "Brittle/ductile dynamic fracture in 2D plane and shell elements with XFEM", 9th USNCCM, San Francisco, CA, 2007.
T. Belytschko, R. Gracie, S. Loehnert, J. Oswald and J.H. Song, "Meshfree and PU multiscale methods for failure: on circumventing loss of ellipticity, dislocations and other issues", 9th USNCCM, San Francisco, CA, 2007.
J.H. Song and T. Belytschko, "Dynamic crack propagation in thin shells with the phantom node method", 7th WCCM, Los Angeles, CA, 2006.
T. Belytschko, J.H. Song and H.W. Wang, "On methods for static and dynamic failure propagation", 7th WCCM, Los Angeles, CA, 2006.
J.H. Song, P.M.A. Areias and T. Belytschko, "A dynamic crack propagation simulation technique with phantom nodes", 8th USNCCM, Austin, TX, 2005.
P.M.A. Areias, J.H. Song and T. Belytschko, "Ductile fracture in shell structure using a piecewise enrichment", 8th USNCCM, Austin, TX, 2005.
S.H. Lee, J.H. Song, Y. C. Yoon, G. Zi and T. Belytschko, "Combined extended and superimposed finite element method for modeling of cracks", 6th WCCM, Beijing, China, 2004.
- Korean Domestic Conferences
S.H. Lee, J.H. Song and H.M. Seok, "Combined Extended and Superimposed Finite Element Method for Crack Analysis", Proceedings of Computational Structural Engineering Institute of Korea, 17(1): 341-348 (2004).
S.H. Lee and J.H. Song, "Development of crack analysis technique by using extended finite element method free from mesh-dependency", Proceedings of Computational Structural Engineering Institute of Korea, 15(2): 112-119 (2002)
S.H. Lee, J.H. Song and K.H. Leem, "Modified stiffness matrix of reflecting the effect of local cracks", Proceedings of Computational Structural Engineering Institute of Korea, 15(1): 353-360 (2002).
S.H. Lee, J.H. Song, Y.S. Jeong, "Development of a finite element analysis data model for steel box girder bridges based on STEP part 104", Proceedings of Computational Structural Engineering Institute of Korea, 14(2): 193-200 (2001).
COLLABORATORS
Dr. Qinglin Duan, Northwestern University: 3D dynamic fracture with XFEM (2008)
Prof. Timon Rabczuk, Bauhaus University Weimar, Germany:
Dynamic fracture of shells due to fluid-structure interaction (2008),