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Invited Talks
- D. Dasgupta, "On the onset of 'fuzz' formation in plasma-facing materials - A hierarchical multiscale-modeling approach," Sandia National Laboretories, Livermore, California, November 2019.
- D. Dasgupta, "Model validation experiments," 2nd MPEX (Material Plasma Exposure eXperiment) Research Forum, Virtual Meeting, September 2021.
Presentations
- Y. Panchal, S. Blondel, D. Dasgupta, R.D. Kolasinski, and B.D. Wirth, "Evaluating the temperature dependence of bubble bursting rate for low energy helium plasma-exposed tungsten," TMS Annual Meeting, Anaheim, California, February/March 2022.
- B. Sun, D. Maroudas, N. Mathew, D. Perez, S. Blondel, D. Dasgupta, B.D. Wirth, and E. Martínez, "Strain and thermal gradient effects on the transport properties of intrinsic defects and impurities in tungsten," TMS Annual Meeting, Anaheim, California, February/March 2022.
- W. Setyawan, G. Nandipati, D. Dasgupta, D. Maroudas, K.D. Hammond, S. Blondel, and B.D. Wirth, "Pressure-based helium bubble bursting modeling," 63rd Annual Meeting of the APS Division of Plasma Physics, Pittsburgh, Pennsylvania, November 2021.
- E. Martínez, B. Sun, D. Maroudas, N. Mathew, D. Perez, S. Blondel, D. Dasgupta, and B.D. Wirth, "Strain and thermal gradient effects on the transport properties of intrinsic defects and impurities in tungsten," 63rd Annual Meeting of the APS Division of Plasma Physics, Pittsburgh, Pennsylvania, November 2021.
- D. Dasgupta, C.-S. Chen, D. Maroudas, and B.D. Wirth, "Continuum-scale modeling of surface morphological response of plasma-facing tungsten," 63rd Annual Meeting of the APS Division of Plasma Physics, Pittsburgh, Pennsylvania, November 2021.
- S. Blondel, D. Dasgupta, Y. Panchal, and B.D. Wirth, "Improving the bubble bursting model in cluster dynamics simulations of low-energy helium plasma-exposed tungsten," 63rd Annual Meeting of the APS Division of Plasma Physics, Pittsburgh, Pennsylvania, November 2021.
- D. Dasgupta, A. Weerasinghe, S. Blondel, D. Maroudas, and B.D. Wirth, "On the onset of 'fuzz' formation in plasma-facing materials: A hierarchical multiscale modeling approach," AIChE Annual Meeting, Boston, Massachusetts, November 2021.
- C.-S. Chen, D. Dasgupta, B.D. Wirth, and D. Maroudas, "Effects of elastic softening and surface hole formation on surface morphological evolution of plasma-facing tungsten," AIChE Annual Meeting, Boston, Massachusetts, November 2021.
- C.-S. Chen, D. Dasgupta, A. Weerasinghe, B.D. Wirth, and D. Maroudas, "Effects of elastic softening and helium accumulation kinetics on surface morphological evolution of plasma-facing tungsten," 18th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Bonn, Germany, May 2021.
- S. Blondel, D. Dasgupta, R.D. Kolasinski, Y. Panchal, and B.D. Wirth, "Evaluating the fidelity of the bubble bursting model in cluster dynamics simulations of low-energy helium plasma-exposed tungsten," 18th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Bonn, Germany, May 2021.
- E. Martinez, D. Maroudas, N. Mathew, D. Perez, S. Blondel, D. Dasgupta, and B.D. Wirth, "Thermal gradient effect on helium and intrinsic defect transport in tungsten," 18th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Bonn, Germany, May 2021.
- D. Dasgupta, S. Blondel, D. Maroudas, and B.D. Wirth, "Modeling helium retention and bubble bursting in low-energy helium plasma-exposed tungsten," 24th International Conference on Plasma Surface Interactions in Controlled Fusion Devices, Jeju, Korea, January 2021.
- D. Dasgupta, A. Weerasinghe, D. Maroudas, and B.D. Wirth, "On the onset of 'fuzz' formation in plasma-facing tungsten, and effects of temperature and sputtering on fuzz formation," 24th International Conference on Plasma Surface Interactions in Controlled Fusion Devices, Jeju, Korea, January 2021.
- A. Weerasinghe, D. Dasgupta, B.D. Wirth, and D. Maroudas, "Elastic moduli of helium-implanted tungsten and the effects of these elastic properties on fuzz formation," 24th International Conference on Plasma Surface Interactions in Controlled Fusion Devices, Jeju, Korea, January 2021.
- D. Dasgupta, S. Blondel, K.D. Hammond, D. Maroudas, and B.D. Wirth, "Modeling and simulation of 'fuzz' formation onset in plasma-facing materials," AIChE Annual Meeting, Virtual Meeting, November 2020.
- C.-S. Chen, D. Dasgupta, A. Weerasinghe, B.D. Wirth, and D. Maroudas, "Effects of competing kinetics and material property anisotropies on surface morphological evolution in plasma-facing tungsten," AIChE Annual Meeting, Virtual Meeting, November 2020.
- D. Dasgupta, R.D. Kolasinski, D. Maroudas, and B.D. Wirth, "On the onset of 'fuzz' formation in plasma-facing materials. I. Surface morphological evolution model," AIChE Annual Meeting, Orlando, Florida, November 2019.
- D. Dasgupta, R.D. Kolasinski, S. Blondel, A. Weerasinghe, D. Maroudas, and B.D. Wirth, "On the onset of 'fuzz' formation in plasma-facing materials. II. Effects of subsurface bubble dynamics, temperature, and elastic moduli of damaged tungsten," AIChE Annual Meeting, Orlando, Florida, November 2019.
- D. Dasgupta, R.D. Kolasinski, D. Maroudas, and B.D. Wirth, "Modeling of surface morphological evolution of plasma-facing tungsten," 19th International Conference on Fusion Reactor Materials, La Jolla, California, October 2019.
- D. Dasgupta, R.D. Kolasinski, S. Blondel, D. Maroudas, and B.D. Wirth, "Modeling of helium retention and bubble bursting in low-energy helium plasma-exposed tungsten," 19th International Conference on Fusion Reactor Materials, La Jolla, California, October 2019.
- R.D. Kolasinski, A. Engel, D. Dasgupta, C.-S. Wong, J.A. Whaley, D.A. Buchenauer, D. Maroudas, and B.D. Wirth, "In-situ spectroscopic ellipsometry for characterizing plasma-surface interaction," 19th International Conference on Fusion Reactor Materials, La Jolla, California, October 2019.
- D. Dasgupta, R.D. Kolasinski, D. Maroudas, and B.D. Wirth, "Modeling of "fuzz" formation in plasmafacing materials," 17th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Eindhoven, Netherlands, May 2019.
- R.D. Kolasinski, D. Dasgupta, C.-S. Wong, R.W. Friddle, A. Engel, J.A. Whaley, D.A. Buchenauer, D. Maroudas, and B.D. Wirth, "Effects of low-fluence helium plasma exposure characterized by helium ion microscopy, scanning probes, and ellipsometry," 17th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Eindhoven, Netherlands, May 2019.
- D. Maroudas, D. Dasgupta, R.D. Kolasinski, and B.D. Wirth, "Modeling of fuzz formation on helium-ion-irradiated tungsten surfaces," 60th Annual Meeting of the APS Division of Plasma Physics, Portland, Oregon, November 2018.
- D. Dasgupta, R.D. Kolasinski, D. Maroudas, and B.D. Wirth, "Modeling of surface morphological evolution of plasma-facing tungsten in fusion reactor," AIChE Annual Meeting, Pittsburgh, Pennsylvania, October 2018.
- D. Dasgupta, R.D. Kolasinski, D. Maroudas, and B.D. Wirth, "Modeling fuzz formation in helium-plasma-irradiated tungsten," 23rd International Conference on Plasma Surface Interactions in Controlled Fusion Devices, Princeton, New Jersey, June 2018.
- D. Dasgupta, A.A. Kohnert, and B.D. Wirth, "Modeling radiation defect cluster accumulation in neutron irradiated FeCrAl," TMS Annual Meeting, Phoenix, Arizona, March 2018.
- D. Dasgupta, D. Maroudas, and B.D. Wirth, "Modeling of surface morphological evolution of heliumion-irradiated tungsten," MRS Fall Meeting, Boston, Massachusetts, December 2017.
- D. Dasgupta, L. Du, D. Maroudas, and B.D. Wirth, "Modeling of fuzz formation in helium-ion-irradiated tungsten," 18th International Conference on Fusion Reactor Materials, Aomori, Japan, November 2017.
- D. Dasgupta, K.D. Hammond, L. Du, D. Maroudas, and B.D. Wirth, "Modeling of nano-fuzz formation in helium-ion-irradiated tungsten," AIChE Annual Meeting, Minneapolis, Minnesota, November 2017.
- D. Dasgupta, D. Maroudas, and B.D. Wirth, "Modeling of fuzz formation on helium-ion-irradiated tungsten surfaces," 59th Annual Meeting of the APS Division of Plasma Physics, Milwaukee, Wisconsin, October 2017.
- D. Dasgupta, A.A. Kohnert, and B.D. Wirth, "Modeling radiation defect cluster accumulation in neutron irradiated FeCrAl," 18th International Conference on Environmental Degradation of Materials, Portland, Oregon, August 2017.
- D. Dasgupta, L. Du, D. Maroudas, and B.D. Wirth, "Modeling of nanotendril formation in helium-ionirradiated tungsten," 16th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Neuss/Düsseldorf, Germany, May 2017.
- D. Dasgupta, A. Kumar, and D. Maroudas, "Current-driven nanowire formation on crystalline conducting substrate surfaces," APS March Meeting, Baltimore, Maryland, March 2016.
- A. Kumar, D. Dasgupta, and D. Maroudas, "External-field-driven nanopatterning on crystalline substrate surfaces," APS March Meeting, Baltimore, Maryland, March 2016.
- D. Dasgupta and D. Maroudas, "Current-driven complex dynamics of single-layer epitaxial islands on crystalline solid substrates," AIChE Annual Meeting, Salt Lake City, Utah, November 2015.
- D. Dasgupta and D. Maroudas, "Current-driven complex dynamics of single-layer epitaxial islands on substrates," APS March Meeting, San Antonio, Texas, March 2015.
- D. Dasgupta and D. Maroudas, "Current-driven assembly of single-layer epitaxial islands for surface nanopatterning," MRS Fall Meeting, Boston, Massachusetts, December 2014.
- D. Dasgupta and D. Maroudas, "Current-driven evolution of single-layer epitaxial islands on crystalline solid conductors," AIChE Annual Meeting, Atlanta, Georgia, November 2014.
- D. Dasgupta, L. Du, and D. Maroudas, "Rippling instabilities on the surface of stressed crystalline solids," AIChE Annual Meeting, Atlanta, Georgia, November 2014.
- D. Dasgupta and D. Maroudas, "Electromigration-driven assembly of single-layer epitaxial islands on substrates: An approach to nanopatterning," APS March Meeting, Denver, Colorado, March 2014.
- Lin Du, D. Dasgupta, G.I. Sfyris, and D. Maroudas, "Inhibition of surface instabilities by combined action of electric fields and thermal gradients," APS March Meeting, Denver, Colorado, March 2014.
- D. Dasgupta, G.I. Sfyris, and D. Maroudas, "Current-driven evolution of single-layer epitaxial islands and island pairs on crystalline solid substrates," AIChE Annual Meeting, San Francisco, California, November 2013.
- D. Dasgupta, L. Du, G.I. Sfyris, and D. Maroudas, "Morphological stabilization of solid surfaces induced by the combined action of electric fields and thermal gradients," AIChE Annual Meeting, San Francisco, California, November 2013.
- D. Dasgupta, G.I. Sfyris, and D. Maroudas, "Electromigration-driven dynamics of single-layer epitaxial islands on substrates," APS March Meeting, Baltimore, Maryland, March 2013.
- G.I. Sfyris, D. Dasgupta, and D. Maroudas, "Electromigration and thermomigration driven surface morphological stabilization of coherently strained thin films on elastically deformable substrates," APS March Meeting, Baltimore, Maryland, March 2013.
- D. Dasgupta, G.I. Sfyris, and D. Maroudas, "Current-driven morphological evolution of monolayer-thick epitaxial islands on elastic substrates," AIChE Annual Meeting, Pittsburgh, Pennsylvania, November 2012.
- D. Dasgupta, G.I. Sfyris, and D. Maroudas, "Electromechanically driven nonlinear dynamics of voids in metallic thin films under anisotropic mechanical stress," AIChE Annual Meeting, Pittsburgh, Pennsylvania, November 2012.
- G.I. Sfyris, D. Dasgupta, and D. Maroudas, "Surface stabilization of heteroepitaxial thin films induced by the combined action of electric and thermal fields," AIChE Annual Meeting, Pittsburgh, Pennsylvania, November 2012.
- D. Dasgupta, G.I. Sfyris, M.R. Gungor, and D. Maroudas, "Surface morphological stabilization of crystalline solids under the simultaneous action of electric, thermal, and mechanical fields," APS March Meeting, Boston, Massachusetts, March 2012.
- D.Maroudas, D. Dasgupta, and G.I. Sfyris, "Electromigration-drivenmorphological evolution of monolayerthick epitaxial islands on substrates," APS March Meeting, Boston, Massachusetts, March 2012.
- D. Dasgupta, G.I. Sfyris, M.R. Gungor, and D. Maroudas, "Surface morphological stability of crystalline solids under simultaneous electromigration, thermomigration, and stress-driven surface diffusional mass fluxes," AIChE Annual Meeting, Minneapolis, Minnesota, October 2011.
- D. Dasgupta, G.I. Sfyris, and D. Maroudas, "Analysis of current-driven morphological evolution of monolayer-thick coherently strained heteroepitaxial islands on substrates," AIChE Annual Meeting, Minneapolis, Minnesota, October 2011.
- D. Dasgupta, G.I. Sfyris, and D. Maroudas, "Effects of anisotropic mechanical loading on the currentdriven dynamics of voids in metallic thin films," AIChE Annual Meeting, Minneapolis, Minnesota, October 2011.
- D. Dasgupta and S.C. Patwardhan, "Development of block oriented nonlinear time-series models for a continuous fermenter," 5th International Symposium on Design, Operation and Control of Chemical Processes, Singapore, July 2010.
- D. Dasgupta and S.C. Patwardhan, "NMPC of a continuous fermenter using Wiener-Hammerstein model developed from irregularly sampled multi-rate data," 9th International Symposium on Dynamics and Control of Process Systems, Leuven, Belgium, June 2010.
