Journal Publications (Underlines indicate current or former students, " indicates postdoc, * indicates visiting scholar, ** indicates undergrad)

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​2012 and earlier
  1. R.I. Borja, W.C. Sun, Estimating inelastic sediment deformation from local site response simulations, Acta Geotechnica, 2(3):183-195, doi: 10.10072Fs11440-007-0044-x, 2007. [PDF] [Bibtex]
  2. R.I. Borja, W.C. Sun, Co-seismic sediment deformation during the 1989 Loma Prieta Earthquake, Journal of Geophysical Research, Vol.113, B08314, doi:10.1029/2007JB005265, 2008. [PDF] [Bibtex]
  3. W.C. Sun, J.E. Andrade, J.W. Rudnicki, A multiscale method for characterization of porous microstructures and their impact on macroscopic effective permeability, International Journal for Numerical Methods in Engineering, 88(12), 1260-1279, doi:10.1002/nme.3220, 2011. [PDF] [Bibtex]
  4. W.C. Sun, J.E. Andrade, J.W. Rudnicki, P. Eichhubl, Connecting microstructural attributes and permeability from 3-D tomographic images of in situ compaction bands using multi-scale computation, Geophysical Research Letter, 38(10), L1032, doi:10.1029/2011GL047683, 2011 (featured in EARTH magazine September 2011 issue). [PDF] [Bibtex]

2013
  1. W.C. Sun, An unified method to predict diffuse and localized instabilities in sands, Geomechanics and Geoengineering, 8(22):65-75, doi:10.1080/17486025.2012.695403, 2013. [PDF] [Bibtex]
  2. A. Mota, W.C. Sun, J.T.Ostein, J.W. Foulk III,  K.N. Long, Lie-Group interpolation and variational recovery for internal variables, Computational Mechanics, 52:1281-1299, doi:10.1007/s00466-013-0876-1, 2013. [PDF] [Bibtex]
  3. W.C. Sun, J.T. Ostien, A.G. Salinger, A stabilized assumed deformation gradient finite element formulation for strongly coupled poromechanical simulations at finite strain, International Journal for Numerical and Analytical Methods in Geomechanics, 37(16):2755-2788, doi:10.1002/nag.2161, 2013. [PDF] [Bibtex]
  4. W.C. Sun, M.R. Kuhn and J.W.Rudnicki, A multiscale DEM-LBM analysis on permeability evolutions inside a dilatant shear band, Acta Geotechnica, 8(5):465-480, doi:10.1007/s11440-013-0210-2, 2013. (The authors received the Caterpillar Best paper prize in the year of 2013) [PDF] [Bibtex]

2014
  1. W.C. Sun, Q. Chen, J.T. Ostien, Modeling hydro-mechanical responses of strip and circular footings on saturated collapsible geomaterials, Acta Geotechnica, 9(5):903-934,  doi:10.1007/s11440-013-0276-x, 2014. [PDF] [Bibtex]
  2. W.C. Sun, A. Mota, A multiscale overlapped coupling formulation for large deformation strain localization, Computational Mechanics, 54(3):803-820,  doi: 10.1007/s00466-014-1034-0, 2014. [PDF] [Bibtex] [Erratum] 

2015
  1. W.C. Sun, A stabilized finite element formulation for monolithic thermo-hydro-mechanical simulations at finite strain, International Journal for Numerical Methods in Engineering, 103(11):798-839, doi:10.1002/nme.4910, 2015. [PDF] [Bibtex] (This paper is one of the 5 most cited papers from 2015 to 2016 in IJNME, and is selected for the Zienkiewicz Numerical Methods in Engineering Prize [URL #1][URL #2].)
  2. M.R. Kuhn, W.C. Sun, Q. Wang, Stress-induced anisotropy in granular materials: fabric, stiffness, and permeability, Acta Geotechnica, 10(4)399-419, doi:10.1007/s11440-015-0397-5, 2015. [PDF] [Bibtex]
  3. K. Wang, W.C. Sun, Anisotropy of a tensorial Bishop's coefficient for wetted granular materials, Journal of Engineering Mechanics, doi:10.1061/(ASCE)EM.1943-7889.0001005, 2015. [PDF] [Bibtex]
  4. Y. Liu, W.C. Sun, J. Fish, Determining material parameters for critical state plasticity models based on multilevel extended digital database, Journal of Applied Mechanics, 88(1), doi: 10.1115/1.4031619, 2015. [PDF][Bibtex]

2016
  1. Y. Liu, W.C. Sun, Z-F. Yuan, J. Fish, A nonlocal multiscale discrete-continuum model for predicting mechanical behavior of granular materials,  International Journal for Numerical Methods in Engineering, 106(2):129-160, doi: 10.1002/nme.5139, 2016. [PDF] [Bibtex] (PhD Student Yang Liu won 2015 best poster competition at USNCCM San Diego).
  2. N. Guo, J. Zhao, W.C. Sun, Multiscale analysis of shear failure of thick-walled hollow cylinder in dry sand, Géotechnique Letters, 6(1), doi:10.1680/jgele.15.00149, 2016. [PDF][Bibtex]
  3. S. Na, W.C. Sun, Wave propagation and strain localization in a fully saturated softening porous medium under the non-isothermal conditions, International Journal for Numerical and Analytical Methods in Geomechanics, 40(10):1485-1510,  doi:10.1002/nag.2505, 2016. [PDF][Bibtex]
  4. Z. Zheng*, W.C. Sun, J. Fish, Micropolar effect on the cataclastic flow and brittle-ductile transition in high-porosity rocks, Journal of Geophysical Research, doi:10.1002/2015JB012179, 2016. [Bibtex]
  5. K. Wang, W.C. Sun, A semi-implicit discrete-continuum coupling method for porous media based on the effective stress principle at finite strain, Computer Methods in Applied Mechanics and Engineering, 304(1):546-583, doi:10.1016/j.cma.2016.02.020, 2016. [PDF][Bibtex]
  6. K. Wang, W.C. Sun, S. Salager, S. Na, G. Khaddour, Identifying material parameters for a micro-polar plasticity model via X-ray micro-CT images: lessons learned from the curve-fitting exercises, International Journal of Multiscale Computational Engineering, 14(4):389-413,  doi:10.1615/IntJMultCompEng.2016016841, 2016. [PDF][Bibtex]
  7. A.G. Salinger, R.P. Pawlowski, Eric T. Phipps, R.A. Bartlett, G.A. Hansen, I. Kalashnikova, J.T. Ostien, W.C. Sun, Q. Chen, A. Mota, R.A. Muller, E. Nielsen, X. Gao. Albany: A Component-Based Partial Differential Equation Code Build on Trilinos, International Journal of Multiscale Computational Engineering, 14(4):415-438, doi:10.1615/IntJMultCompEng.2016017040,  2016. [PDF][Bibtex]
  8. W.C. Sun, Foreword: computational poromechanics, International Journal of Multiscale Computational Engineering,  doi:10.1615/IntJMultCompEng.2016018596, 2016. [PDF][Bibtex]

2017
  1. K. Wang, W.C. Sun, A unified variational eigen-erosion framework for interacting fractures and compaction bands in brittle porous media, Computer Methods in Applied Mechanics and Engineering, 318:1-32  doi:10.1016/j.cma.2017.01.017, 2017. [PDF][Bibtex]
  2. S. Na, W.C. Sun, Computational thermo-hydro-mechanics for multiphase freezing and thawing porous media in the finite deformation range, Computer Methods in Applied Mechanics and Engineering, 318:667-700, doi:10.1016/j.cma.2017.01.028, 2017. (PhD Student SeonHong Na selected as runner-up for the 2017 best paper competition at EMI Nashville) [PDF][Bibtex]​
  3. W.C. Sun, Z. Cai, J. Choo", Mixed Arlequin method for multiscale poromechanics problems, International Journal for Numerical Methods in Engineering, 111:624-659,  ​doi:10.1002/nme.5476, 2017. [PDF][Bibtex]
  4. I. Wollny, W.C. Sun, M. Kaliske, A hierarchical sequential ALE poromechanics model for tire-water-road interaction on fluid-infiltrating roads,  International Journal for Numerical Methods in Engineering, 112(8):909-938,  doi:10.1002/nme.5537, 2017. [PDF][Bibtex]
  5. S. Na, W.C. Sun, H. Yoon, M. Ingraham, Effects of elastic heterogeneity on the fracture pattern and macroscopic effective toughness of Mancos Shale in Brazilian Tests, Journal of Geophysical Research:Solid Earth, B013374, 122(8): 6202-6230 , doi:10.1002/2016JB013374, 2017. [PDF][Bibtex]
  6. H. Xin*, W.C. Sun, J. Fish, a surrogate modeling approach for additive-manufactured materials, International Journal of Multiscale Computational Engineering, doi:10.1615/IntJMultCompEng.2017024632, 2017. 

2018
  1. O.I. Ulven*, W.C. Sun, Capturing the two-way hydro-mechanical coupling effect on fluid-driven fracture in a dual-graph lattice beam model, International Journal for Numerical and Analytical Methods in Geomechanics, 42(5):736-767, doi:10.1002/nag.2763, 2018. [PDF]
  2. H. Xin*, W.C. Sun, J. Fish, Thermo-mechanical discrete element simulations on powder-bed sintering-based additive manufacturing, International Journal of Mechanical Sciences, 149:373-392, doi:10.​1016/​j.​ijmecsci.​2017.​11.​028, 2018. 
  3. J. Choo", W.C. Sun, Coupled phase-field and plasticity modeling of geological materials: From brittle fracture to ductile flow,  Computer Methods in Applied Mechanics and Engineering, 330:1-32, doi:10.1016/j.cma.2017.10.009, 2018. [PDF][Bibtex]
  4. J. Choo", W.C. Sun, Cracking and damage from crystallization in pores: Coupled chemo-poro-mechanics and phase-field modeling, Computer Methods in Applied Mechanics and Engineering, 335:347-379, doi:10.1016/j.cma.2018.01.044, 2018.​[PDF][Bibtex]
  5. K. Wang, W.C. Sun,   A multiscale multi-permeability poroplasticity model linked by recursive homogenizations and deep learning​, Computer Methods in Applied Mechanics and Engineering, 334(1):337-380, doi:10.1016/j.cma.2018.01.036, ​2018. [PDF][Bibtex]
  6. S. Na, W.C. Sun, Computational thermomechanics of crystalline rock. Part I: a combined multi-phase-field/crystal plasticity approach for single crystal simulations, Computer Methods in Applied Mechanics and Engineering, 338:657-691, doi:10.1016/j.cma.2017.12.022, 2018. [PDF][Bibtex]
  7. ​W.C. Sun, T-F. Wong, Prediction of hydraulic and electrical transport properties of sandstone with multiscale lattice Boltzmann/finite element simulation on microtomographic images, International Journal of Rock Mechanics and Mining Sciences, 106, 269-277, doi:10.​1016/​j.​ijrmms.​2018.​04.​020, 2018. [PDF][Bibtex]
  8. X. Zhong*, W.C. Sun, A adaptive reduced-dimensional discrete element method for non-dissipative explicit dynamic responses of granular materials with high-frequency noises, International Journal of Multiscale computational Engineering, 16(4):345-366, doi:10.1615/IntJMultCompEng.2018026895, 2018. [PDF][Bibtex]
  9. G. Liu*, W.C. Sun, S.M. Lowinger**,  Z. Zhang, M. Huang, J. Peng, Flow network and discrete element modeling of injection-induced crack propagation and coalescence in brittle rock, Acta Geotechnica, doi:10.1007/s11440-018-0682-1, 2018. 
  10. E.C. Bryant, W.C. Sun, Mixed-mode phase field fracture for secondary cracks in isotropic and anisotropic brittle rocks with consistent kinematics, Computer Methods in Applied Mechanics and Engineering, 342:561-584, doi:10.1016/j.cma.2018.08.008, 2018. [PDF][Bibtex]
  11. R. Gupta, S. Salager, ​K. Wang, W.C. Sun,  Open-source support toward validating and falsifying discrete mechanics models using synthetic granular materials Part I: Experimental tests with particles manufactured by a 3D printer, Acta Geotechnica, doi:10.1007/s11440-018-0703-0, 2018. 

2019
  1. K. Wang, W.C. Sun, An updated Lagrangian LBM-DEM-FEM coupling model for dual-permeability porous media with embedded discontinuities, Computer Methods in Applied Mechanics and Engineering, 344:276-305, doi:10.1016/j.cma.2018.09.034, 2019. [PDF][Bibtex]
  2. K. Wang, W.C. Sun, Meta-modeling game for deriving theory-consistent, micro-structure-based traction-separation laws via deep reinforcement learning, Computer Methods in Applied Mechanics and Engineering, 346:216-241,  doi:10.1016/j.cma.2018.11.026, 2019. [PDF][Bibtex][Data]
  3. A. Qinami, E.C. Bryant, W.C. Sun, M. Kaliske, Circumventing mesh bias by r- and h-adaptive techniques for variational eigen-fracture, International Journal of Fracture, doi:10.1007/s10704-019-00349-x, ​2019. 
  4. C. Liu", W.C. Sun, Shift domain material point method for solids in the finite deformation range, special thematic issue for Meshfree and Particle Methods for Modeling Extreme Loadings, Computational Particle Mechanics, doi: 10.1007/s40571-019-00239-y, 2019. [PDF]
  5. E.C. Bryant, W.C. Sun, A micromorphic-regularized anisotropic Cam-clay-type model for capturing size-dependent anisotropy, Computer Methods in Applied Mechanics and Engineering, 354:56-95,  doi:10.1016/j.cma.2019.05.003, 2019. [PDF]
  6. K. Wang, W.C. Sun, Q. Du, A cooperative game for automated learning of elasto-plasticity knowledge graphs and models with AI-guided experimentation, Computational Mechanics, special issue for Data-Driven Modeling and Simulations: Theory, Methods and Applications, ​ 64(2):67–499, doi:,10.1007/s00466-019-01723-1, 2019. [PDF]
  7. S. Na, E.C. Bryant, W.C. Sun, A configurational force for adaptive re-meshing of gradient-enhanced poromechanics problems with history-dependent variables, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2019.112572, 2019. [PDF]
  8. Y. Heider", W.C. Sun, Phase field modeling of capillary-induced fracture in unsaturated porous media: drying-induced vs. hydraulic-driven cracking, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2019.112647, 2019. [PDF]
  9. H.S. Suh, W.C. Sun, An open source FEniCS implementation of a phase field fracture model for micropolar continua, International Journal of Multiscale Computational Engineering, doi:10.1615/IntJMultCompEng.2020033422, 2019. [open source code]

2020
  1. R. Ma", W.C. Sun, FFT-based solver for higher-order and multi-phase-field fracture models applied to strongly anisotropic brittle materials and poly-crystals, Computer Methods in Applied Mechanics and Engineering, 362:112781,  doi:10.1016/j.cma.2019.112781, 2020.
  2. Y. Heider", K. Wang, W.C. Sun, SO(3)-invariance of graph-based deep neural network for anisotropic elastoplastic materials, Computer Methods in Applied Mechanics and Engineering, 363:112875,  doi:10.1016/j.cma.2020.112875, 2020. [PDF]
  3. C. Liu", W.C. Sun, ILS-MPM: an unbiased implicit level-set-based material point method for frictional particulate contact mechanics of deformable particles, Computer Methods in Applied Mechanics and Engineering, accepted, doi:10.1016/j.cma.2020.113168, 2020. [PDF]
  4. H.S. Suh, D. O'Conner, W.C. Sun, A phase field model for cohesive fracture in micropolar continua, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2020.113181, 2020. [Video]
  5. R. Ma",  W.C. Sun, Computational thermomechanics for crystalline rock. Part II: chemo-damage-plasticity and healing in strongly anisotropic polycrystals, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2020.113184, 2020. [PDF]
  6. N. Vlassis, R. Ma", W.C. Sun, Geometric deep learning for computational mechanics Part I: Anisotropic Hyperelasticity, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2020.113299, 2020. [PDF]
  7. K. Wang, W.C. Sun, Q. Du, A non-cooperative meta-modeling game for automated third-party training, validating, and falsifying constitutive laws with adversarial attacks, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2020.113514, 2020. [arxiv][Video]
  8. R. Ma", W.C. Sun, Phase field modeling of coupled crystal plasticity and deformation twinning in polycrystals with monolithic and splitting solvers, International Journal for Numerical Method in Engineering, doi:10.1002/nme.6577, 2020. [PDF]
  9. N. de Marchi*, W.C. Sun, V. Salomoni, Shear wave splitting and polarization in anisotropic fluid-infiltrating porous media: a numerical study, Materials, doi:10.3390/ma13214988, 2020. [preprint]
  10. E.C. Bryant, W.C. Sun, Phase field modeling of frictional slip with slip weakening/strengthening under non-isothermal conditions, Computer Methods in Applied Mechanics and Engineering, accepted, 2020. 
  11. X. Zhong*, W.C. Sun, Y. Dai, A reduced-dimensional explicit discrete element solver for simulating granular mixing problems, Granular Matter, accepted, 2020.

2021
  1. H.S. Suh, W.C. Sun, An immersed phase field model for microporomechanics of fracture-induced leakage, Physics of Fluids (Editor's pick), doi:10/1063/5.0035602, 2021. [long Video][short video][preprint]
  2. N. Vlassis, W.C. Sun, Sobolev training of thermodynamic-informed neural network for interpretable elasto-plasticity models with level set hardening, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2021.113695, 2021. [Video][preprint]
  3. Y. Heider", H.S. Suh, W.C. Sun, An offline multi-scale unsaturated poromechanics model enabled by self-designed/self-improved neural network, International Journal for Numerical and Analytical Methods in Geomechanics, doi:10.1002/nag.3196, 2021. 
  4. A. Fuchs, Y. Heider", K. Wang, W.C. Sun, M. Kaliske, DNN2: A hyper-parameter reinforcement learning game for self-design neural network elasto-plastic constitutive laws, Computer and Structures, 249:106505, doi:10.1016/j.compstruc.2021.106505, 2021. 
  5. B. Bahmani, W.C. Sun, A kd-tree accelerated hybrid data-driven/model-based approach for poroelasticity problems with multi-fidelity multi-physics data, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2021.113868, 2021. [Video] [PDF]
  6. T. Xue, W.C. Sun, S. Adriaenssens, Y. Wei, C. Liu", a new finite element level set re-initialization based on the shifted boundary method, Journal of Computational Physics, doi:10.1016/j.jcp.2021.110360, 2021. 
  7. R. Ma", W.C. Sun, C. R. Picu, Atomistic-model informed pressure-sensitive crystal plasticity for crystalline HMX, International Journal of Solid and Structures, 232:111170, doi:10.1016/j.ijsolstr.2021.111170, 2021.  
  8. X. Sun, B. Bahmani, N. Vlassis, W.C. Sun, Y. Xu, Data-driven discovery of interpretable causal relations for deep learning material laws with uncertainty propagation, Granular Matter, doi:10.1007/s10035-021-01137-y, 2021. 
  9. M. Xiao, W.C. Sun, C. Liu", DP-MPM: Domain partitioning material point method for evolving multi-body  thermal-mechanical contacts and fragmentation, Computer Methods in Applied Mechanics and Engineering, 385:114063,  doi:10.1016/j.cma.2021.114063​, 2021. [Video]
  10. H. Suh, W.C. Sun, Asynchronous phase field fracture model for porous media with thermally non-equilibrated constituents, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2021.114182, 2021. [Preprint][PDF]
  11. N. Vlassis, W.C. Sun, Component-based machine learning paradigm for discovering rate-dependent and pressure-sensitive level-set plasticity models, Journal of Applied Mechanics, doi:10.1115/1.4052684, 2021.
  12. B. Bahmani, W.C. Sun, Pre-training strategies for multi-objective/multi-task collocation physics-informed neural network, unpublished work, 2021. [PDF]

2022
  1. R. Ma", W.C. Sun, A finite micro-rotation material point method for micro-polar solid and fluid dynamics with three-dimensional evolving contacts and free surfaces, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2021.114540, 2022. ​
  2. N. Vlassis, P. Zhao, R. Ma, T. Sewell, W.C. Sun, MD-inferred neural network monoclinic finite-strain hyperelasticity models for β-HMX: Sobolev training and validation against physics constraints,  International Journal for Numerical Method in Engineering, doi:10.1002/nme.6992, 2022.
  3. Q. Yin", E. Ando, G. Viggiani, W.C. Sun​, Freezing-induced stiffness and strength anisotropy in freezing clayey soil: theory, numerical modeling and experimental validation, International Journal for Numerical and Analytical Methods in Geomechanics, doi:10.1002/nag.3380, 2022. [NAG Cover]
  4. B. Bahmani, W.C. Sun, Manifold embedding data-driven mechanics, Journal of the Mechanics and Physics of Solids, doi:10.1016/j.jmps.2022.104927, 2022. [PDF]
  5. H. Suh, W.C. Sun, Multi-phase-field microporomechanics model for simulating ice lens growth and thaw in frozen soil, International Journal for Numerical and Analytical Methods in Geomechanics, doi:10.1002/nag.3408, 2022. [PDF]​[Featured Cover]
  6. P.C.H.Nguyen, B. Bahmani, N.N. Vlassis, W.C. Sun, H.S. Udaykumar, S.S. Baek, Synthesizing controlled microstructures of porous nedia using Generative Adversarial Networks and reinforcement learning, Scientific Reports, 12:9034, 2022. [URL]
  7. M. Xiao, W.C. Sun, Geometric prior of multi-resolution yielding manifold and the local closest projection for nearly non-smooth plasticity, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2022.115469, 2022. [URL][PDF]
  8. R. Ma", W.C. Sun, C.R. Picu, T. Sewell, Domain partitioning material point method for simulating shock in polycrystalline energetic materials, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2022.115815, 2022. ​

​2023
  1. N.N. Vlassis, W.C. Sun, Geometric deep learning for computational mechanics Part II: Graph embedding for interpretable multi-scale plasticity, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2022.115768, 2023. [Preprint]
  2. B. Bahmani, W.C. Sun, Distance-preserving manifold de-noising for data-driven mechanics, Computer Methods in Applied Mechanics and Engineering, doi:10.1016/j.cma.2022.115857, 2022. [URL]​​
  3. C. Cai, N. Vlassis, L. Magee, R. Ma", Z. Xiong, B. Bahmani, T-F Wong, Y. Wang, W.C. Sun, Equivariant geometric learning for digital rock physics. Part I: Estimating formation factor and effective permeability tensors, International Journal for Multiscale Computation and Engineering, doi:10.1615/IntJMultCompEng.2022042266, 2023. [arxiv]
  4. R. Villarreal, N.N. Vlassis, N.N. Phan, T.A. Catanach, R.E. Jones, N.A. Trask, S.L. Karmer, W.C. Sun, Design of experiments for the calibration of history-dependent models via deep reinforcement learning and an enhanced Kalman filter, Computational Mechanics, doi:10.1007/s00466-023-02335-6​, ​2023. 
  5. H.S. Suh, C. Kweon, B. Lester, S. Kramer, W.C. Sun, A publicly available e PyTorch-ABAQUS UMAT deep-learning framework for level-set plasticity, Mechanics of Materials, doi:10.1016/j.mechmat.2023.104682, 2023. [URL]
  6. N.N. Vlassis, W.C. Sun, Denoising diffusion algorithm for inverse design of microstructures with fine-tuned nonlinear material properties, Computer Methods in Applied Mechanics and Engineering​, 413:116126, doi:10.1016/j.cma.2023.116126, 2023. [URL]
  7. M. Xiao, W.C. Sun, Geometric learning for computational mechanics Part III. Physics-locally-constrained response surface of geometric nonlinear shells, Computer Methods in Applied Mechanics and Engineering​, doi:10.1016/j.cma.2023.116219, 2023. [URL]
  8. Z. Xiong, M. Xiao, N.N. Vlassis, W.C. Sun, A neural kernel method for capturing multiscale high-dimensional micromorphic plasticity of materials with internal structures, Computer Methods in Applied Mechanics and Engineering​, doi:10.1016/j.cma.2023.116317, 2023.
  9. K. Kalina, P. Gebhart, J. Brummund, L. Linden, W.C. Sun, M. Kästner, Neural network-based multiscale modeling of finite strain magneto-elasticity with relaxed convexity, Computer Methods in Applied Mechanics and Engineering​, accepted, 2023.

​2024
  1. B. Bahmani, H.S. Suh, W.C. Sun, Discovering interpretable elastoplasticity models via the neural polynomial method enabled symbolic regressions, Computer Methods in Applied Mechanics and Engineering​, doi:10.1016/j.cma.2024.116827, 2024. [Code]​
  2. J. Chung, T. Mukerji, W.C. Sun, R. Ahmad, W. Cai, Prediction of Effective Elastic Moduli of Rocks using Graph Neural Networks, Computer Methods in Applied Mechanics and Engineering​, doi:10.1016/j.cma.2024.116780, 2024.
  3. B. Bahmani, W.C. Sun, Physics-constrained symbolic model discovery for polyconvex incompressible hyperelastic materials, International Journal for Numerical Method in Engineering, doi:10.1002/nme.7473, 2024. 
  4. R. Ma, W.C. Sun, T. Guo, Phase-field model for ductile fracture in the stress resultant geometrically exact shell, International Journal for Numerical Method in Engineering, doi:10.1002/nme.7462, 2024.​
  5. M. Xiao, W.C. Sun, A MPM Lagrangian-Eulerian hydrocode for simulating buried explosions in transversely isotropic geomaterials, International Journal for Numerical and Analytical Methods in Geomechanics (special collection: Meshless and Continuum Particle Methods in Geomechanics), doi:10.1002/nag.37172024.,2024.
  6. WR. Jian, M. Xiao, W.C. Sun, W. Cai,Prediction of yield surface of single crystal copper from discrete dislocation dynamics and geometric learning, Journal of the Mechanics and Physics of Solids, doi:10.1016/j.jmps.2024.105577, 2024. [Code]
  7. M. Rosenkranz, K.A. Kalina*, J. Brummund, W.C. Sun, M. Kästner, Viscoelasticty with physics-augmented neural networks: model formulation and training methods without prescribed internal variables, Computational Mechanics, doi:10.1007/s00466-024-02477-1, 2024.
  8. N.N. Vlassis, W.C. Sun, K. Alshibli, R.A. Regueiro, Synthesizing realistic sand assemblies with de-noising diffusion in latent space,  International Journal for Numerical and Analytical Methods in Geomechanics, accepted, 2024. 
  9. G. Barkoulis Gavris, W.C. Sun, Topology optimization with graph neural network enabled regularized thresholding, Extreme Mechanics Letters, accepted, 2024. 

Manuscript under review or in revision


  1. C. Durate, C.R. Picu, V. Tomar, W.C. Sun, Anisotropy of the fracture toughness in β-HMX crystals: a computational study, submitted. 
  2. J-H Bastek, W.C. Sun, D.M. Kochmann, Physics-informed diffusion models, submitted. [arxiv]

Peer Reviewed Conference Proceedings and Book Chapters

  1. J. Chung, R. Ahmad, M. Liu, W.C. Sun, W. Cai, T. Mukerji, Predicting rock transport and mechanical properties using graph neural networks,  58th US Rock Mechanics/Geomechanics Symposium held in Golden, Colorado, USA, 23-26 June, 2024.
  2. J.  Fish, K.  Matous, R. Ghanem, W.C. Sun, Predictive multiscale paradigm for computational design certification,  Comprehensive Mechanics Mechanics of Materials (book chapter),  2:303-351,  doi:10.1016/B978-0-323-90646-3.00052-6, 2004. 
  3. Y. Heider, W.C. Sun, Objectivity and accuracy enhancement within ANN-based multiscale material modeling, Proceedings in Applied Mathematics and Mechanics, doi:10.1002/pamm.202200203, 2023. [URL]
  4. Y. Heider, W.C. Sun, B. Markert, Advancements in multi-phase unsaturated porous media, Proceedings in Applied Mathematics and Mechanics, doi:10.1002/pamm.202000223, 2021. 
  5. H.S. Suh, W.C. Sun, An immersed phase field fracture model in fluid-infiltrating porous media with evolving Beavers-Joseph-Saffman condition, 2nd International Conference on Energy Geotechnics, La Jolla, California, USA, 2021. 
  6. S. Na, W.C. Sun, A multi-phase-field anisotropic damage-plasticity model for crystalline rocks, Proceedings of China-Europe Conference on Geotechnical Engineering, SSGG, pp.1-4, doi:10.1007/978-3-319-97112-4_13, 2018. 
  7. K. Wang, W.C. Sun, Data-driven discrete-continuum Method for partially saturated micro-polar porous media, 6th Biot Conference on Poromechanics - A tribute to Olivier Coussy, Paris, France, 2017. 
  8. K. Wang, W.C. Sun, A semi-implicit micropolar discrete-to-continuum method for granular materials, VII European Congress on Computational Methods in Applied Science and Engineering, Crete Island, Greece, 2016. [PDF]
  9. O.I. Ulven*, W.C. Sun, A. Malthe-Sørenssen, Fluid transport in reaction induced fractures, European Geophysical Union General Assembly, Vienna, Austria, 2015. [PDF]
  10. J. Zhao, N. Guo, W.C. Sun, A multiscale study of inherent anisotropy and strain localization in granular soils, 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Japan, 2015. [PDF]
  11. W.C. Sun, Stabilized mixed finite element modeling of unsaturated flow barrier and fractured porous media at finite strain, 17th US National Congress on Theoretical and Applied Mechanics, Michigan State University, 2014. [PDF]
  12. W.C. Sun, M.R. Kuhn, J.W. Rudnicki, A micromechanical analysis on permeability evolutions of a dilatant shear band, Proceedings of the 48th American Rock Mechanics Association Symposium, University of Minnesota, 2014. [PDF]
  13. Q. Chen, W.C. Sun, J.T. Ostien, Finite element analysis of hydro-mechanical coupling effects on shear  failures of fully saturated collapsible geomaterials, Soil Behavior and Geomechanics GSP 236, GeoShanghai, Shanghai, China, 2014 [PDF] 
  14. W.C. Sun, J.E. Andrade, Diffuse bifurcations of porous media under partially drained conditions, Springer Series in Geomechanics and Geoengineering, 2:61-64, doi:10.1007/978-3-642-19630-0\_16, 2011. [PDF]
  15. W.C. Sun, J.E. Andrade, Capturing the effective permeability of field compaction band using hybrid lattice Boltzmann/Finite element simulations, Proceedings of 9th World Congress of Computational Mechanics/APCOM 2010, Sydney, Australia, doi:10.1088/1757-899X/10/1/012077, 2010. [PDF]
  16. W.C. Sun, J.E. Andrade, Surface slumping of submarine slope and its relation to material instability, Proceedings of 16th US National Congress on Theoretical and Applied Mechanics, University Park, Pennsylvania, 2010. [PDF]
  17. N. Lenoir, J.E. Andrade, W.C. Sun, J.W. Rudnicki, In situ permeability measurement inside compaction bands using X-ray CT and lattice Boltzmann calculations, Proceedings of 3th International Workshop on X-ray CT for geomaterials, New Orleans, Louisiana, 2010. [PDF]

Technical Reports

  1. W.C. Sun, Final Report: Cryo-mechanics of unsaturated frozen soils during freeze-thaw cycles, US Army Research Office, Contract Number No. W911BF15-1-0442, 2017 [PDF]
  2. W.C. Sun, Final Report: A multiscale analysis on the moisture effect of dynamics responses of granular matters, US Army Research Office, Contract No. W911NF-14-1-0658, 2016. [PDF]
  3. W.C. Sun, A multi-scale framework for modeling instabilities in fluid-infilrating porous solids, PhD Dissertation, Northwestern University, June 2011.  [PDF]
  4. B. Jeremic, J. Putnam, Z. Yang, K. Sett, Z. Cheng, J. Liao, G. Jie, W.C. Sun, Final Report: Earthquake Response of Bridge Abutment Backfills Constructed with Tire Shreds, University of California Davis, 2005. [PDF]

Open Source Data

  1. R. Gupta,  E. Ando,  S. Salager,  K. Wang,  W.C. Sun,  Open source database for validating and falsifying discrete mechanics models using synthetic granular materials Part I: Experimental tests with particles manufactured by a 3D printer, Mendeley Data, doi:10.17632/n6t49stxrh.1, 2018. (Supplement data for verification, validation and falsification of published work Gupta et al. Acta Geotechnica [PDF])
  2. K. Wang, W.C. Sun, Discrete element traction-separation data for meta-modeling, Mendeley Data, doi:10.17632/n5v7hyny8n.1, 2019. (Supplement data for meta-modeling games published in Computer Methods in Applied Mechanics and Engineering [PDF]). 

Supervised PhD Dissertations 

  1. Yang Liu, Multiscale Modeling of Granular Materials, doi:10.7916/D88W3CR1, Columbia University, August 2015. [PDF]
  2. SeonHong Na, Multiscale thermo-hydro-mechanical-chemical coupling effects for fluid-infiltrating crystalline solids and geomaterials: theory, implementation, and validation, doi:10.7916/D8P85VM9, Columbia University, July 2018 [PDF] 
  3. Kun Wang, from multiscale modeling to meta-modeling of geomechanics problems, doi:10.7916/d8-v19n-d734, Columbia University, July 2019. [PDF]
  4. Eric C Bryant, Capturing evolving size-dependent anisotropy from brittle fracture to plasticity for geological materials, Columbia University, July, 2020, doi:10.7916/d8-xsrn-th19, [PDF]
  5. Nikolaos N. Vlassis, Toward trusthworthy geometric learning for elastoplasticity, , doi:10.7916/d8-h132-kj82, Columbia University, August, 2021. [PDF]
  6. Hyoung Suk Suh, Computational microporomechanics for phase-changing geological materials doi:10.7916/g3t3-b002, Columbia University, July 2022. [PDF]
  7. Bahador Bahmani, Geomtry-informed data-driven mechanics, doi:10.7916/x6qt-4981, Columbia University, December 2023. [PDF]