Publications
2026
59. Sutcliffe, S. J., Coombs, W. M., Zhang, W., Duddu, R., and Augarde, C. E. (2026). Modelling cliff collapse and run-out with the material point method. Computers and Geotechnics, 189, 107608. doi: 10.1016/j.compgeo.2025.107608 (link)
2025
58. Saurabh, S., Gupta, A., Chowdhury, R., & Duddu, R. (2025). Robust topology optimization for uncertainty in load positions of transient dynamic loading. Reliability Engineering \& System Safety, 264(PB): 111440. doi: 10.1016/j.ress.2025.111440 (link)
57. Gao, Y., Duddu, R., Kolouri, S., Gupta, A., & Prabhakar, P. (2025). An inverse design framework for optimizing tensile strength of composite materials based on a CNN surrogate for the phase field fracture model. Composites Part A: Applied Science and Manufacturing, 192, 108758. doi: 10.1016/j.compositesa.2025.108758 (link)
56. Nguyen, D. T., Gupta, A., Duddu, R. and Annavarapu, C. (2025). An adaptive mesh refinement algorithm for stress-based phase field fracture models for heterogeneous media: Application using FEniCS to ice-rock cliff failures. Finite Elements in Analysis and Design, 244, 104311. doi: 10.1016/j.finel.2024.104311 (link)
55. Ranganathan, M., Robel, A. A., Huth, A., and Duddu, R. (2025). Glacier damage evolution over ice flow timescales. The Cryosphere, 19, 1599–1619. doi: 10.5194/tc-19-1599-2025 (link)
54. Clayton, T., Duddu, R., Hageman, T. and Martínez-Pañeda, E. (2025). Modeling ice cliff stability using a new Mohr-Coulomb-based phase field fracture model. Journal of Glaciology, 1-34, doi: 10.1017/jog.2025.21 (link)
53. Karuthedath, P. L., Gupta, A., Mamindlapelly, B., Chowdhury, R., & Duddu, R. (2025). A generalized framework towards continuity and computational efficiency in topology optimization using multi-patch isogeometric methods. Engineering with Computers, 1-50. doi: 10.1007/s00366-025-02133-z (link)
2024
52. Mobasher, M. E., Duddu, R., & Waisman, H. (2024). Computational Modeling of Ice Mechanics: A Review of Challenges and Approaches in Engineering and Glaciology. Comprehensive Mechanics of Materials, 312-338. doi: 10.1016/B978-0-323-90646-3.00025-3 (link)
51. Clayton, T., Duddu, R., Hageman, T. & Martínez-Pañeda, E. (2024). The influence of firn layer material properties on surface crevasse propagation in glaciers and ice shelves. The Cryosphere, 18, 5573–5593. doi: 10.5194/tc-18-5573-2024 (link)
50. Hageman, T., Mejía, J., Duddu, R., & Martínez-Pañeda, E. (2024). Ice viscosity governs hydraulic fracture that causes rapid drainage of supraglacial lakes. The Cryosphere, 18(9), 3991-4009. doi: 10.5194/tc-18-3991-2024 (link)
49. Gupta, A., Nguyen, D. T., Hirshikesh & Duddu, R. (2024). Damage mechanics challenge: Predictions from an adaptive finite element implementation of the stress-based phase-field fracture model. Engineering Fracture Mechanics, 306, 110252. doi: 10.1016/j.engfracmech.2024.110252 (link)
48. Navidtehrani, Y., Duddu, R. & Martínez-Pañeda, E. (2024). Damage Mechanics Challenge: Predictions based on the phase field fracture model. Engineering Fracture Mechanics, 301, 110046. doi: 10.1016/j.engfracmech.2024.110046 (link)
47. Bassis, J.N., Crawford, A., Kachuck, S.B., Benn, D.I., Walker, C., Millstein, J., Duddu, R., Astrom, J., Fricker, H. & Luckman, A. (2024). Stability of Ice Shelves and Ice Cliffs in a Changing Climate. Annual Review of Earth and Planetary Sciences, 52. doi: 10.1146/annurev-earth-040522-122817 (link)
2023
46. Gao, Y, Ghosh, G., Jimenez, S., & Duddu, R. (2023). A finite-element-based cohesive zone model of water-filled surface crevasse propagation in floating ice tongues. IEEE Computing in Science & Engineering, 25(3): 8–16. doi: 10.1109/MCSE.2023.3315661 (link)
45. Bird, R. E., Augarde, C. E., Coombs, W. M., Duddu, R., Giani, S., Huynh, P. T. & Sims, B. (2023). An hp-adaptive discontinuous Galerkin method for phase field fracture. Computer Methods in Applied Mechanics and Engineering, 416, 116336. doi: 10.1016/j.cma.2023.116336 (link)
44. Huth A., Duddu, R., Smith, B. & Sergienko, O. (2023). Simulating the processes controlling ice-shelf rift paths using damage mechanics. Journal of Glaciology, 69(278), 1915-1928. doi: 10.1017/jog.2023.71 (link)
43. Wang, R., Duddu, R., and Lin, S. (2023) Extended Donnan-Manning theory for selective ion partition and transport in ion exchange membrane. Journal of Membrane Science, 681(5), 121782 doi: 10.1016/j.memsci.2023.121782 (link).
42. Gao, Y., Berger, M., and Duddu, R. (2023) CNN-based surrogate for the phase field damage model: Generalization across microstructure parameters for composite materials. Journal of Engineering Mechanics, 149(6), 1-11. doi: 10.1061/JENMDT.EMENG-6936 (link).
2022
41. Clayton, T., Duddu, R., Siegert, M., and Martinez-Paneda, E. (2022) A stress-based poro-damage phase field model for hydrofracturing of creeping glaciers and ice shelves. Engineering Fracture Mechanics, 272, 108693. doi: 10.1016/j.engfracmech.2022.108693 (link).
2021
40. Huth, A., Duddu, R., and Smith, B. E. (2021) A generalized interpolation material point method for shallow ice shelves. Part II: anisotropic nonlocal damage mechanics and rift propagation. Journal of Advances in Modeling of Earth Systems, 13(8), e2020MS002292. doi: 10.1029/2020MS002292 (link).
39. Huth, A., Duddu, R., and Smith, B. E. (2021) A generalized interpolation material point method for shallow ice shelves. 1: Shallow shelf approximation and ice thickness evolution. Journal of Advances in Modeling of Earth Systems, 13(8), e2020MS002277. doi: 10.1029/2020MS002277 (link).
38. Ghosh, G., Duddu, R., and Annavarapu, C. “On the robustness of the stabilized finite element method for delamination analysis of composites using cohesive elements.” International Journal for Computational Methods in Engineering Science & Mechanics, 2021. doi: 10.1080/15502287.2021.1896607 (link).
37. Sun, X., Duddu, R., and Hirshikesh “A poro-damage phase field model for hydrofracturing of glacier crevasses.” Extreme Mechanics Letters, 2021 doi:10.1016/j.eml.2021.101277 (link).
36. Sun, X., Srinivasan, J., Kelly, R. G., and Duddu, R. “Numerical Investigation of Critical Electrochemical Factors for Localized Corrosion using a Multi-species Reactive Transport Model.” Corrosion Science, 179: 109130, 2021 doi: 10.1016/j.corsci.2020.109130 (link).
2020
35. P. Karve, R. Duddu, J. Tierney, K. Dei, R. Hsi and B. Byram. “Finite element modeling of the effects of constitutive properties and roughness on B-mode images of hard inclusions in soft tissues.” Ultrasonic Imaging, 42(3):159-176, 2020, doi: 10.1177/0161734620917306 (link).
34. R. Duddu, S. Jimenez and J. N. Bassis. “A nonlocal continuum poro-damage mechanics model for hydrofracturing of surface crevasses in grounded glaciers.” Journal of Glaciology, 66(257): 415-429, 2020, doi: 10.1017/jog.2020.16 (link)
33. H. Gao, L. Ju, X. Li, and R. Duddu. “A space-time adaptive finite element method with exponential time integrator for the phase field model of pitting corrosion.” Journal of Computational Physics, 406: 109191, 2020, doi: 10.1016/j.jcp.2019.109191 (link)
32. H. Gao, L. Ju, R. Duddu, and H. Wei. “An efficient second-order linear scheme for the phase field model of corrosive dissolution.” Journal of Computational and Applied Mathematics, 367: 112472, 2020, doi: 10.1016/j.cam.2019.112472 (link)
2019
31. X. Sun and R. Duddu, “A sequential non-iterative approach for modeling multi-ionic species reactive transport during localized corrosion.” Finite Elements in Analysis and Design, 166: 103318, 2019, doi: 10.1016/j.finel.2019.103318 (link)
30. G. Ghosh, R. Duddu and C. Annavarapu, A stabilized finite element method for enforcing stiff anisotropic cohesive laws using interface elements, Computer Methods in Applied Mechanics and Engineering, 348: 1013-1038, 2019, doi: 10.1016/j.cma.2019.02.007 (link)
29. J. E. Tierney, S. G. Schlunk, R. Jones, M. George, P. Karve, R. Duddu, B. C. Byram, R. S. Hsi, “In vitro feasibility of next generation non-linear beamforming ultrasound methods to characterize and size kidney stones” Urolithiasis, 47: 181, 2019, doi: 10.1007/s00240-018-1036-z (link)
2018
28. G. Ghosh, C. Annavarapu, R. Duddu, “A stabilized finite element formulation remedying traction oscillations in cohesive interface elements” Proceedings of the American Society for Composites: Thirty-third Technical Conference, pp. 14, University of Washington, Seattle, Washington, September 24–26, 2018 pdf
27. Hsi RS, Schlunk SG, Tierney JE, Dei K, Jones R, George M, Karve P, Duddu R, Bryam BC, “Feasibility of non-linear beamforming ultrasound methods to characterize and size kidney stones.” PLOS ONE 13(8): e0203138, 2018. https://doi.org/10.1371/journal.pone.0203138 (link)
26. S. Jimenez and R. Duddu, “On the evaluation of the stress intensity factor in calving models using linear elastic fracture mechanics.” Journal of Glaciology, 64(247): 759-770, 2018, doi: 10.1017/jog.2018.64 (link)
25. K. Maisha, V. K. Devendiran, C. Morency, and R. Duddu. “An Analysis of Ice Sheet-Ice Shelf Mechanics through Finite Element Models” Young Scientist (a high school research journal), 8(1): 28-31, 2018 pdf
24. Z. Wang, Y. Chen, X. Sun, R. Duddu, and S. Lin, “Mechanism of Pore Wetting in Membrane Distillation with Alcohol vs. Surfactant” Journal of Membrane Science, 559: 183-195, 2018, https://doi.org/10.1016/j.memsci.2018.04.045 (link)
2017
23. G. Ghosh, C. Annavarapu, S. Jimenez, R. Duddu, “A stabilized finite element method for modeling mixed-mode delamination of composites” Proceedings of the American Society for Composites: Thirty-Second Technical Conference, pp. 16, Purdue University, West Lafayette, Indiana, October 23–25, 2017, doi: 10.12783/asc2017/15360 (link) pdf
22. J. Arnold, R. Duddu, K. Brown, D. Kosson, “Influence of multi-species solute transport on modeling of hydrated Portland cement leaching in strong nitrate solutions.” Cement and Concrete Research, 100: 227-244, 2017, doi: 10.1016/j.cemconres.2017.06.002 (link)
21. S. Jimenez, R. Duddu, J.N. Bassis, “An updated-Lagrangian damage mechanics formulation for modeling the creeping flow and fracture of ice sheets” Computer Methods in Applied Mechanics and Engineering, 313: 406-432, 2017, doi: 10.1016/j.cma.2016.09.034 (link)
2016
20. M.E. Mobasher, R. Duddu, J.N. Bassis, H. Waisman, “Modeling hydraulic fracture of glaciers using continuum damage mechanics.” Journal of Glaciology, 62(234): 794-804, 2016, doi: 10.1017/jog.2016.68 (link)
19. R. Duddu, N. Kota, S.M. Qidwai, “An extended finite element method (XFEM) based approach for modeling crevice and pitting corrosion” Journal of Applied Mechanics, 83(8): 081003-10, 2016, doi:10.1115/1.4033379 (link)
18. S. Jimenez, R. Duddu, “On the parametric sensitivity of cohesive zone models for high-cycle fatigue delamination of composites.” International Journal of Solids and Structures, 82: 111-124, 2016, doi: 10.1016/j.ijsolstr.2015.10.015 (link)
2015
17. R. Duddu, N. Kota, S.M. Qidwai, “An extended finite element model of crevice and pitting corrosion.” Proceedings of the ASME 2015 International Mechanical Engineering Congress and Exposition (IMECE), Houston, TX, doi:10.1115/IMECE2015-50423 (link) pdf
16. L. Foucard, A. Aryal, R. Duddu, F. Vernerey, “A coupled Eulerian-Lagrangian extended finite element formulation for simulating large deformations in hyperelastic media with moving free boundaries.” Computer Methods in Applied Mechanics and Engineering, 283: 280-302, 2015, doi: 10.1016/j.cma.2014.09.016 (link)
2014
15. S. Jimenez, L. Xia, R. Duddu, H. Waisman, “A discrete damage zone model for mixed-mode delamination of composites under high-cycle fatigue.” International Journal of Fracture, 190(1-2): 53-74, 2014, doi: 10.1007/s10704-014-9974-0 (link)
14. R. Duddu, “Numerical modeling of corrosion pit propagation using the combined extended finite element and level set method.” Computational Mechanics, 54(3): 613-627, 2014, doi: 10.1007/s00466-014-1010-8 (link)
2013
13. R. Duddu, H. Waisman, “A nonlocal damage mechanics approach to simulation of creep fracture in ice sheets.” Computational Mechanics, 51(6): 961-974, 2013, doi:10.1007/s00466-012-0778-7 (link)
12. X. Zhao, R. Duddu, S. Bordas, J. Qu, “Effects of elastic strain energy and interfacial stress on the equilibrium morphology of misfit particles in heterogeneous solids.” Journal of Mechanics and Physics of Solids, 61(6): 1433-1455, 2013, doi: 10.1016/j.jmps.2013.01.012 (link)
11. R. Duddu, J. N. Bassis, H. Waisman, “A numerical investigation of crevasse propagation in glaciers using nonlocal continuum damage mechanics.” Geophysical Research Letters, 40(12): 3064-3068, 2013, doi: 10.1002/grl.50602 (link)
10. L. L. Lavier, R. A. Bennett, R. Duddu, “Creep events at the brittle ductile transition.” Geochemistry, Geophysics, Geosystems, 14(9): 3334-3351, 2013, doi: 10.1002/ggge.20178 (link)
9. R. Duddu, H. Waisman, “On the continuum damage mechanics approach to modeling of polar ice fracture: A reply.” Journal of Glaciology, 59(216): 799-801, 2013, doi: 10.3189/2013JoG13J083 (link)
2012
8. X. Liu, R. Duddu, H. Waisman, “A discrete damage zone model for fracture initiation and propagation.” Engineering Fracture Mechanics, 92: 1-18, 2012, doi: 10.1016/j.engfracmech.2012.04.019 (link)
7. R. Duddu, H.Waisman, “A temperature dependent creep damage model for polycrystalline ice.” Mechanics of Materials, 46: 23-41, 2012, doi: 10.1016/j.mechmat.2011.11.007 (link)
6. R. Duddu, L. L. Lavier, T. J. R. Hughes, V. M. Calo, “A finite strain Eulerian formulation for compressible and nearly incompressible hyper-elasticity using high-order B-spline finite elements.” International Journal for Numerical Methods in Engineering, 89(6):762-785, 2012, doi: 10.1002/nme.3262 (link)
5. X. Liu, R. Duddu, H. Waisman, “Delamination analysis of composites using a finite element based discrete damage zone model.” Conference Proceedings, Society for the Advancement of Materials and Process Engineering (SAMPE), 2012 , Baltimore, MD pdf
2011
4. R. Duddu, D. L. Chopp, P. W. Voorhees, B. Moran, “Diffusional evolution of precipitates in elastic media using the extended finite element and the level set methods.” Journal of computational Physics, 230(4): 1249-1264, 2011, doi: 10.1016/j.jcp.2010.11.002 (link)
2009
3. R. Duddu, D. L. Chopp, B. Moran, “A two-dimensional continuum model of biofilm growth incorporating fluid flow and shear stress based detachment.” Biotechnology and Bioengineering, 103(1): 92-104, 2009, doi: 10.1002/bit.22233 (link)
2008
2. R. Duddu, S. Bordas, D. L. Chopp, B. Moran. “A combined extended finite element and level set method for biofilm growth.” International Journal for Numerical Methods in Engineering, 74(5): 848-870, 2008, doi: 10.1002/nme.2200 (link)
2005
1. J. Block, L. Keer, R. Duddu, “Partial contact of a smooth elastic wavy strip pressed between two flat surfaces.” Proceedings of the World Tribology Congress III – 2005. pages 381-382, doi: 10.1115/WTC2005-63985 (link) pdf
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