Preprints
- C. B. Larsen, S. Samothrakitis, R. Woracek, E. Polatidis, J. Čapek, M. V. Upadhyay, M. Tovar, S. Schmidt and M. Strobl
“Exploring Grain-Resolved Strain Tensors and Non-Uniform Lattice Deformations with Laue 3DNDT”
Preprint DOI: ssrn.4990660
- K. A. Abdesselam, S. Gaudez, S. van Petegem, V. Honkimäki, S. Hallais, L. Cornet, M. Vallet and M. V. Upadhyay
“Altering microstructure and enhancing mechanical properties during direct energy deposition of Ti-6Al-4V via in-process laser heat treatments”
Preprint DOI: hal-04746656
- G. D. Lima Chaves, A. Acharya and M. V. Upadhyay
“A finite deformation theory of dislocation thermomechanics”
Preprint DOI: arXiv.2409.17194
- J. G. Santos Macías, K. Chen, A. Tanguy, M. Vallet, L. Cornet, V. Michel and M. V. Upadhyay
“Post-process lasering improves strength-ductility tradeoff and fatigue limit of additively manufactured stainless steels”
Preprint DOI: hal-04530203
- S. Gaudez, D. Weisz-Patrault, K. A. Abdesselam, H. Gharbi, V. Honkimäki, S. van Petegem and M. V. Upadhyay
“On the accuracy of temperature estimates from operando X-ray diffraction measurements during additive manufacturing”
Preprint DOI: hal-04305465
2024
- A. F. Chadwick, J. G. Santos Macías, A. Samaei, G. Wagner, M. V. Upadhyay and P. W. Voorhees
“On microstructure development during laser melting and resolidification: An experimentally validated simulation study”
Acta Materialia, (2024) 120482
DOI: 10.1016/j.actamat.2024.120482
- M. V. Upadhyay, S. Gaudez and W. Pantleon
“Dislocation structure evolution during metal additive manufacturing”
IOP Conference Series: Materials Science and Engineering, 44th Risø International Symposium on Materials Science (RISO 2024) 02/09/2024 – 06/09/2024 Roskilde, Denmark, 1310 (2024) 012012
DOI: 10.1088/1757-899X/1310/1/012012
- K. Chen, J. G. Santos Macías, N. Isac, M. Vallet, L. Cornet and M. V. Upadhyay
“Silicon mediated twin formation in laser direct energy deposited 316L stainless steel”
Scripta Materialia, 253 (2024) 116257
DOI: 10.1016/j.scriptamat.2024.116257
- M. V. Upadhyay and J. Viñals
“Coupling Phase Field Crystal and Field Dislocation Mechanics for a consistent description of dislocation structure and elasticity”
European Journal of Mechanics-A/Solids, 108 (2024) 105419
DOI: 10.1016/j.euromechsol.2024.105419
- N. Mohanan, J. G. Santos Macías, J. Bleyer, T. Helfer, M. V. Upadhyay
“Intergranular stress and plastic strain formation during laser scanning of additively manufactured stainless steel: An experimentally-driven thermomechanical simulation study”
Materialia, 34 (2024) 102082
DOI: 10.1016/j.mtla.2024.102082
- G. D. Lima-Chaves and M. V. Upadhyay
“Finite element implementation of the thermal field dislocation mechanics model: study of temperature evolution due to dislocation activity”
Computer Methods in Applied Mechanics and Engineering, 421 (2024) 116763
DOI: 10.1016/j.cma.2024.116763
2023
- S. Gaudez, M. Ben Haj Slama, E. Héripré, L. Yedra, M. Scheel, S. Hallais and M. V. Upadhyay
“A synchrotron transmission X-ray microscopy study on precipitate evolution during solid-state thermal cycling of a stainless steel”
Additive Manufacturing, 73 (2023) 103692
Preprint DOI: 10.2139/ssrn.4379782
DOI: 10.1016/j.addma.2023.103692
- S. Gaudez, K. A. Abdesselam, H. Gharbi, Z. Hegedüs, U. Lienert, W. Pantleon and M. V. Upadhyay
“High resolution reciprocal space mapping reveals dislocation structure evolution during 3D printing”
Additive Manufacturing, 71 (2023) 103602
Preprint DOI: 10.2139/ssrn.4367212
DOI: 10.1016/j.addma.2023.103602
- E. Polatidis, J. Capek and M. V. Upadhyay
“Validating texture and lattice strain evolution models via in-situ neutron diffraction and shear tests”
Materialia, 28 (2023) 101752
DOI: 10.1016/j.mtla.2023.101752
2022
- M. V. Upadhyay
Memoir for accreditation to direct research (Habilitation à diriger des recherches – HDR): “Modeling, Simulation and Experiment Synergy (MoSES) to engineer microstructures of additively manufactured alloys”
Institut Polytechnique de Paris, (2022)
- S. Gaudez, M. Ben Haj Slama, A. Kaestner and M. V. Upadhyay
“3D deep convolutional neural network segmentation model for precipitates and porosities identification in synchrotron X-ray tomograms”
Journal of Synchrotron Radiation, 29 (2022) 1232 – 1240
DOI: 10.1107/S1600577522006816
- M. Ben Haj Slama, L. Yedra, E. Héripré and M. V. Upadhyay
“Insight on precipitate evolution during additive manufacturing of stainless steels via in-situ heating-cooling experiments in a transmission electron microscope”
Materialia, 21 (2022) 101368
DOI: 10.1016/j.mtla.2022.101368
HAL (preprint): hal-03570116
- Invited Contribution: M. V. Upadhyay and J. Bleyer
“Dislocation transport using a time-explicit Runge-Kutta discontinuous Galerkin finite element approach”
Special Issue: “Emerging Leaders 2021”
Modelling and Simulation in Materials Science and Engineering, 30 (2022) 034002
DOI: 10.1088/1361-651X/ac44a7
HAL (preprint): hal-03466796
- Review article: S. Lucarini, M. V. Upadhyay and J. Segurado
“FFT based approaches in micromechanics: fundamentals, methods and applications”
Modelling and Simulation in Materials Science and Engineering, 30 (2022) 023002
DOI: 10.1088/1361-651X/ac34e1
2021
- M. V. Upadhyay, M. Ben Haj Slama, S. Gaudez, N. Mohanan, L. Yedra, S. Hallais, E. Héripré and A. Tanguy
“Non-oxide precipitates in additively manufactured austenitic stainless steel”
Scientific Reports, 11 (2021) 10393
DOI: 10.1038/s41598-021-89873-2
2020
- M. V. Upadhyay
“On the thermo-mechanical theory of field dislocations in transient heterogeneous temperature fields”
Journal of the Mechanics and Physics of Solids, 145 (2020) 104150
DOI: 10.1016/j.jmps.2020.104150
HAL (preprint): hal-02439503
- Y. Balit, C. Guevenoux, A. Tanguy, M. V. Upadhyay, E. Charkaluk and A. Constantinescu
“High resolution digital image correlation for microstructural strain analysis of a stainless steel repaired by Directed Energy Deposition”
Materials Letters, 270 (2020) 127632
DOI: 10.1016/j.matlet.2020.127632
HAL (preprint): hal-02503766
- Invited Contribution: C. Fressengeas and M. V. Upadhyay
“A continuum model for slip transfer at grain boundaries”
Special Issue: “Interface Modeling and Simulation in Polycrystalline Materials”
Advanced Modeling and Simulation in Engineering Sciences, 7 (2020) 12
DOI: 10.1186/s40323-020-00145-6
HAL (preprint): hal-02467953
2019
- M. V. Upadhyay, J. Capek, T. Panzner and H. Van Swygenhoven
“Microstructure evolution of stainless steel subjected to biaxial load path changes: in-situ neutron diffraction and multi-scale modeling”
International Journal of Plasticity, 122 (2019) 49 – 72
DOI: 10.1016/j.ijplas.2019.06.006
- M. Zecevic, M. V. Upadhyay, E. Polatidis, T. Panzner, H. Van Swygenhoven and M. Knezevic
“A crystallographic extension to the Olson-Cohen model for predicting strain path dependence of martensitic transformation”
Acta Materialia, 166 (2019) 386 – 401
DOI: 10.1016/j.actamat.2018.12.060
2018
- M. V. Upadhyay, A. Patra, W. Wen, T. Panzner, S. Van Petegem, Carlos N Tomé, R. A. Lebensohn and H. Van Swygenhoven
“Mechanical response of stainless steel subjected to biaxial load path changes: Cruciform experiments and multi-scale modeling”
International Journal of Plasticity, 108 (2018) 144 – 168
DOI: 10.1016/j.ijplas.2018.05.003
2017
- M. V. Upadhyay, J. Capek, S. Van Petegem, R. A. Lebensohn and H. Van Swygenhoven
“Intergranular Strain Evolution During Biaxial Loading: A Multiscale FE-FFT Approach”
JOM, 69 (2017) 839 – 847
DOI: 10.1007/s11837-017-2299-5
- S. Van Petegem, A. Guitton, M. Dupraz, A. Bollhalder, K. Sofinowski, M. V. Upadhyay and H. Van Swygenhoven
“A miniaturized biaxial deformation rig for in situ mechanical testing”
Experimental Mechanics, 57 (2017) 569 – 580
DOI: 10.1007/s11340-016-0244-0
- M. V. Upadhyay, T. Panzner, S. Van Petegem and H. Van Swygenhoven
“Stresses and strains in cruciform samples deformed in tension”
Experimental Mechanics, 57 (2017) 905 – 920
DOI: 10.1007/s11340-017-0270-6
2016
- M. V. Upadhyay, S. Van Petegem, T. Panzner, R. A. Lebensohn and H. Van Swygenhoven
“Study of lattice strain evolution during biaxial deformation of stainless steel using a finite element and fast Fourier transform based multi-scale approach”
Acta Materialia, 118 (2016) 28 – 43
DOI: 10.1016/j.actamat.2016.07.028
- M. V. Upadhyay, L. Capolungo, V. Taupin, C. Fressengeas and R. A. Lebensohn
“A higher order elasto-viscoplastic model using fast Fourier transforms: effects of lattice curvatures on mechanical response of nanocrystalline metals”
International Journal of Plasticity, 83 (2016) 126 – 152
DOI: 10.1016/j.ijplas.2016.04.007
- S. Van Petegem, J. Wagner, T. Panzner, M. V. Upadhyay, T. T. T. Trang and H. Van Swygenhoven
“In-situ neutron diffraction during biaxial deformation”
Acta Materialia, 105 (2016) 404 – 416
DOI: 10.1016/j.actamat.2015.12.015
2015
- V. Taupin, L. Capolungo, C. Fressengeas, M. V. Upadhyay and B. Beausir
“A mesoscopic theory of dislocation and disclination fields for grain boundary-mediated crystal plasticity”
International Journal of Solids and Structures, 71 (2015) 277-290
DOI: 10.1016/j.ijsolstr.2015.06.031
- N. Bertin, M. V. Upadhyay, C. Pradalier and L. Capolungo
“A FFT-based formulation for efficient mechanical fields computation in isotropic and anisotropic periodic discrete dislocation dynamics”
Modelling and Simulation in Materials Science and Engineering, 26 (2015) 065009
DOI: 10.1088/0965-0393/23/6/065009
2014
- M. V. Upadhyay
Dissertation: “On the role of defect incompatibilities on mechanical properties of polycrystalline aggregates: a multi-scale study”
Georgia Institute of Technology (2014)
PDF
- M. V. Upadhyay, L. Balogh and L. Capolungo
“On the computation of diffraction peaks from discrete defects in continuous media: comparison of displacement and strain-based methods”
Journal of Applied Crystallography, 47 (2014) 861 – 878
DOI: 10.1107/S1600576714005500
2013
- M. V. Upadhyay, L. Capolungo, V. Taupin and C. Fressengeas
“Elastic constitutive laws for incompatible crystalline media: the contributions of dislocations, disclinations and G-disclinations”
Philosophical Magazine, 93 (2013) 794 – 832
DOI: 10.1080/14786435.2012.733829
- V. Taupin, C. Fressengeas, L. Capolungo, A. Das and M. V. Upadhyay
“Grain boundary modeling using an elasto-plastic theory of dislocation and disclination fields”
Journal of the Mechanics and Physics of Solids, 61 (2013) 370 – 384
DOI: 10.1016/j.jmps.2012.10.001
- V. Taupin, L. Capolungo, C. Fressengeas, A. Das and M. V. Upadhyay
“A Theory of Disclination and Dislocation Fields for Grain Boundary Plasticity”
In: Altenbach H., Forest S., Krivtsov A. (eds) Generalized Continua as Models for Materials. Advanced Structured Materials, Springer, Berlin, Heidelberg, 22 (2013) 303 – 320
DOI: 10.1007/978-3-642-36394-8_18
2012
- C. Fressengeas, V. Taupin, M. V. Upadhyay and L. Capolungo
“Tangential continuity of elastic/plastic curvature and strain at interfaces”
International Journal of Solids and Structures, 49 (2012) 2660 – 2667
DOI: 10.1016/j.ijsolstr.2012.05.020
2011
- M. V. Upadhyay, L. Capolungo, V. Taupin and C. Fressengeas
“Grain boundary and triple junction energies in crystalline media: A disclination based approach”
International Journal of Solids and Structures, 48 (2011) 3176 – 3193
DOI: 10.1016/j.ijsolstr.2011.07.009