- Appar A., Poovathingal S. J., Gas-Surface Interaction Model for Very Low Earth Orbit (VLEO)
Systems. Aerospace Science and Technology 2026, 170, 111550. doi - Shireman F. N., Tacchi B., Rhoads K. B., Haag T. C., Thorne R. J., Leonov B. S., Martin A.,
Poovathingal S. J., Laser heating and ablation of carbon–carbon composites. International Journal of
Heat and Mass Transfer 2026, 266, 128878. doi - Yassin A. H., Huff E. H., Mohan Ramu V. B., Tacchi B., Am´erico C. E., Stoffel T. D., Poovathingal S.
J., ISTHMUS: Interfacing Surface Triangles and voxels for heterogeneous multiphysics simulations.
SoftwareX 2026, 34, 102660. doi - Chacon L., Banerjee A., Brewer C., Poovathingal S.J., Quantification of feature variability in porous
ablators, Composites Part B: Engineering 2025, 292, 112055. doi - Ghasimi S.D., Rabinovitch J., Chacon L., Poovathingal S.J., Phillippe C.A., Foster C., Roca L.V.,
Panerai F., As’ ad F., Farhat C. Lobbia M., Permeability Modeling of the Mars 2020 Parachute
Broadcloth Material. AIAA Journal 2025, pp.1-18. doi - Liu D., Maya K.A., Chen H., Banerjee A., Chacon L., Poovathingal, S. J., The effective thermal and
elastic properties of FiberForm: Computation, microstructure-sensitivity analysis and epistemic
uncertainty quantification. Computational Materials Science 2025, 251, 113731. doi - O’Nan J.R., Hakim Y., Brewer C., Martin A., Poovathingal S.J., Renfro M.W., An Experimental
Apparatus for Determining the Darcy Permeability and Klinkenberg Slip Factor of Irregularly Shaped
Porous Media. Transport in Porous Media 2025, 152(11), 92. doi - Brewer C., Poovathingal S.J.,* Pyrolysis front detection in carbon phenolic composites using x-ray
computed tomography, Composites Part A: Applied Science and Manufacturing 2024, 187, 108444. doi - Chacon L., Deaton B., Bessiere B.D., Poovathingal S.J.,* Chemical and structural degradation of room
temperature vulcanizing (RTV) silicone at high temperatures, Polymer Degradation and Stability
2024, 220,110661. doi - Kim D., Gollihue J., Poovathingal S.J.,* DeBolt S., Detailed three-dimensional analyses of tyloses in
oak used for bourbon and wine barrels through X-ray computed tomography, Scientific Reports 2024,
14, 17044. doi - Lui D., Chen C., Chacon L., Mohan Ramu V.B., Poovathingal S.J.,* Micro-CT image-based
computation of effective thermal and mechanical properties of fibrous porous material, Composites B:
Engineering 2024, 281, 111502. doi - Tacchi B., Stoffel T.D., Martin A., Poovathingal S.J.,* Reconstruction of the Kentucky Re-entry
Universal Payload System (KRUPS) hypersonic flight trajectory, Journal of Spacecraft and Rockets
2024, 60 (2), 438-447. doi - Yassin A.H., Poovathingal S.J.,* Characterization of directional and anisotropic scattering dependency
of emissivity for fibrous ablators under non-isothermal conditions, International Journal of Heat and
Mass Transfer 2024, 220, 124859. doi - Mohan Ramu V.B., Chacon L., Brewer C., Poovathingal, S.J.,* Development of a Supervised Learning
Model to Predict Permeability of Porous Carbon Composites, AIAA Journal 2023, 61 (2), 843-858. doi - Mohan Ramu V.B., Chacon L., Poovathingal S.J.,* Development of a supervised learning model to
predict length scale dependent permeability of porous carbon composites, Transport in Porous Media
2023, 150, 157-176. doi - Stoffel T.D., Barrios-Lobelle A., Schmidt J.D., Martin A., Poovathingal S.J.,* Computational fluid
dynamics analysis of Kentucky Re-Entry Universal Payload System, Journal of Spacecraft and
Rockets 2023, 60 (4), 1150-1159. doi - Xu C., Murray V.J., Pillinski M., Schwartzentruber T.E., Poovathingal S.J.,* Minton T.K., Gas
concentration in rarefied flows: experiments and modeling, Aerospace Science and Technology 2023,
Vol. 142 Part A, 108568. doi - Banerjee A., Yassin A.H., Davuluri R.S., Martin A., Poovathingal S.J., Radiative Coefficients and
Their Influence on In-Depth Heating of Porous Ablators, AIAA Journal 2022, 60 (12), 6520-6535. doi - Poovathingal S.J.,* Chen H., Microscale modeling of particle impact on thermal protection system
materials during high-speed entry, AIAA Journal 2022, 60 (8), 4976-4990. doi - Poovathingal S.J.,* Soto, B.M., Brewer C., Effective permeability of carbon composites under re-entry
conditions, AIAA Journal 2022, 60 (3), 1293-1302, doi: 10.2514/1.j060630. - Poovathingal S.J.,* Qian M., Murray V.J., Minton T.K., Reactive and inelastic scattering dynamics of
hyperthermal O and O2 from a carbon fiber network, Carbon 2021, 183 (15), 277-290. doi - Poovathingal S.J., Minton T.K., Szilagyi R.K., Systematic evaluation of density functionals for
electronic and geometric Structures: chemical speciation of mononuclear Ru-Cl-H-PR3 complexes,
The Journal of Physical Chemistry A 2019, 123 (1), 343-358. doi - Poovathingal S.J., Stern E.C., Nompelis I., Candler G.V., Nonequilibrium flow through porous
thermal protection materials, Part II: oxidation and pyrolysis, Journal of Computational Physics
2019, 380, 427-441. doi - Stern E.C., Poovathingal S.J., Nompelis I., Schwartzentruber T.E., Candler G.V., Nonequilibrium
flow through porous thermal protection materials, Part I: numerical methods, Journal of
Computational Physics 2019, 380, 408-426. doi - Murray V.J., Xu C., Poovathingal S.J., Minton T.K., Scattering dynamics of nitromethane and
methyl formate on HOPG, The Journal of Physical Chemistry C 2018, 122 (28), 16178–16188. doi - Smoll E.J., Poovathingal S.J., Murray V.J., Session viewpoints on the 2017 dynamics of molecular
collisions conference, The Journal of Physical Chemistry A 2018, 122 (4), 882–889. doi - Swaminathan-Gopalan K., Borner A., Stephani K.A., Murray V.J., Poovathingal S.J., Minton T.K.,
Mansour N. N., Development and validation of a finite-rate model for carbon oxidation by atomic
oxygen, Carbon 2018, 137, 313-332. doi - Poovathingal S.J., Schwartzentruber T.E., Murray V.J., Minton T.K., Candler, G.V, Finite-rate
oxidation model for carbon surfaces from molecular beam experiments, AIAA Journal 2017, 55 (5),
1644-1658. doi - Poovathingal S.J., Schwartzentruber T.E., Murray V.J., Minton T.K., Molecular simulation of carbon
ablation using beam experiments and resolved microstructure, AIAA Journal 2016, 54 (3), 999-1010. doi - Poovathingal S.J., Schwartzentruber T.E., Srinivasan S.G., van Duin A.C.T., Large scale
computational chemistry modeling of the oxidation of highly oriented pyrolytic graphite, The Journal
of Physical Chemistry A 2013, 117 (13), 2692-2703. doi
Publications
Refereed Journal Publications
Refereed Conference Publications
- Yassin A.H., Poovathingal S.J., Validation of the reverse Monte Carlo ray-tracing method and coupling
with material response, AIAA SciTech 2023 Forum, AIAA 2023-2086. doi - Americo C.E., Huff E.H., Yassin A.H., Poovathingal S.J., Phase Change of Atmospheric Ice Particles
in Hypersonic Flows. AIAA SciTech Forum, AIAA 2026-0948. doi - Appar A., Poovathingal S.J., Investigation of Atomic Oxygen Interactions with Amorphous Silica
Surfaces under VLEO Conditions. AIAA SciTech Forum, AIAA 2026-2267. doi - Huff E.H., Chen H., Poovathingal S.J., Predicting Fracture of Atmospheric Ice in Hypersonic Shock
Layers. AIAA SciTech Forum, AIAA 2026-1737. doi - Susic E., Davuluri R.S., Fu R., Adams E., Joseph B., Long A., O’Neal A., Poovathingal S.J. and
Martin A., K-ADEPT: Modeling the Hypersonic Reentry of an Innovative Thermal Protection
System. AIAA SciTech 2026 Forum, AIAA 2026-2939. doi - Tacchi B.D., Shireman F., Yassin A.H., Rhoads K.B., Martin A., Poovathingal S.J., Leonov B.S.,
Haag, T.C., Miles R.B., Modeling the Ablation of Carbon-Based Materials Through Continuous-Wave
Lasers, AIAA SciTech Forum, AIAA 2026-0232. doi - Barrios-Lobelle A., Martin A., Salazar G., Fangman A.J., Poovathingal S.J. Construction of the
Backward Rates for the Air Carbon Ablation Model, AIAA SciTech 2025 Forum, AIAA 2025-1611. doi - DuPlessis V.A., Joseph B., Brewer C., Shireman F.N., Martin A., Poovathingal S.J., Material
Response Modeling of Pyrolysis Gas in Ablative TPS Materials. AIAA SciTech 2025 Forum, AIAA
2025-1428. doi - Huff E.H., Belair M.W., Americo C.E., Chen H., Poovathingal S.J., A Coupled Fluid-Structure
Simulation Framework for Fracturing Solids in High-Atmosphere Applications, AIAA SciTech 2025
Forum, AIAA 2025-1684. doi - Leiser D., Mueller C., Loehle S., Eberhart M., Zander F., Birch B., Ravichandran R., Lock A.,
Poovathingal S.J., Martin A.,Airborne Observation of the CYGNUS NG-20 Re-Entry. 9th European
Conference on Space Debris, January 1, 2025, Vol. 9, No. 1. - Ochilov J., Yip P., Shireman F.N., Poovathingal S.J., Schwartzentruber T., Ravindran, S.,
Laser-Driven Microparticle Impact Experiments on Reinforced Carbon-Carbon, Graphite, and Silicon
Carbide, AIAA SciTech 2025 Forum, AIAA 2025-2455. doi - Rhoads K.B., Price K.J., Wadsworth I.M., Loehle S., Poovathingal S.J., Martin A., Evidence of
Spallation Due to Volumetric Ablation. AIAA SciTech 2025 Forum, AIAA 2025-1425. doi - Splinter S.C., Johnson D.M., Goodwin M.T., Mclain D.A., Poteet C.C., Bessire B.K., Martin A.,
Poovathingal S.J., DuPlessis V., Maddox J., Gore C., HYMETS Return to Service and Recent Test
Campaigns. National Space and Missile Materials Symposium (NSMMS), June 23, 2025. - Yassin A.H., Poovathingal S.J., Development of a Physics-Based Radiative Model for Anisotropic
Scattering-Absorbing Medium, ICHMT Digital Library Online 2025, 11th International Symposium
on Radiative Transfer, June 2025, Begel House Inc., pp 337-344. doi - Banerjee A., Chacon L., Hakim Y., Yassin, A.H., Renfro, M. and Poovathingal, S.J., Statistical
variance in radiative properties of porous materials, AIAA SciTech 2024 Forum, AIAA 2024 – 0864. doi - Barrios-Lobelle A., Haas F.M., Poovathingal S.J., Martin A., Characterization of hypersonic flow over
slender bodies at sea-level, AIAA SciTech 2024 Forum, AIAA 2024-1688. doi - Chacon L.A., Banerjee A., Kim D., Bybee B.K., Mohan Ramu V.B., Yassin A.H., Poovathingal S.J.,
Mesoscale Toolkit Software To Capture Variability in Effective Properties of Carbon Based Thermal
Protection System, AIAA Aviation 2024 Forum, AIAA 2024-3651. doi - Cochell T.J., Unocic R.R., Bessire B.K., Poovathingal S.J., Martin A., In-situ nanoscale ablation,
AIAA Aviation 2024 Forum, AIAA 2024-3729. doi - Ghasimi S.D., Rabinovitch J., Chacon L.A., Poovathingal S.J., Phillippe C., Foster C., Mattei M.,
Roca L.V., Panerai F., As’ad F., Avery P., Farhat C., Lobbia M., Ataei N., Permeability modeling of
Mars parachute broadcloth materials, AIAA Aviation 2024 Forum, AIAA 2024-4224. doi - Huff E.H., Chen H., Poovathingal S.J., A Fluid-Structure computational framework for atmospheric
ice in hypersonic environments, AIAA SciTech 2024 Forum, AIAA 2024-1561. doi - Mohan Ramu V. B., Poovathingal S.J., Development of a custom supervised learning network to
determine the recession rate of ablative thermal protection systems materials, AIAA Aviation 2024
Forum, AIAA 2024-4031. doi - Ruffner, M.P., Ford K.F., Craig L.M., Tacchi B.D., Schmidt J.D., Poovathingal S.J., Smith W.T.,
Martin A., Overview of the Hypersonic Test Flight KREPE-2, AIAA Aviation 2024 Forum, AIAA
2024-3561. doi - Yassin A.H., Bybee B., Banerjee A., Poovathingal S.J., Development of a Reverse Monte Carlo
Ray-Tracing Method for Heterogeneous Scattering Media, AIAA Aviation 2024 Forum, AIAA
2024-3731. doi - Yassin A.H., Poovathingal S.J., Modified radiative terms for surface energy balance in material
response solvers, AIAA SciTech 2024 Forum, AIAA 2024-1294. doi - Chacon L., Deaton B., Poovathingal, S. J., Decomposition and permeability of room temperature
vulcanizing (RTV) silicone, AIAA SciTech 2023 Forum, AIAA 2023- 2716. doi - Huff E.H., Poovathingal S.J., Verhoff A.M., Effects of Vibrational Thermal Accommodation in
Hypersonic Flows over Spheres, AIAA Aviation 2023 Forum, AIAA 2023-3332. doi - Mohan Ramu V.B., Cheng Q., Poovathingal S.J., Development of a custom supervised learning
network to model ablation of TPS materials, AIAA Aviation 2023 Forum, AIAA 2023-3618. doi - Poovathingal S.J., Stoffel T.D., Tacchi B., Martin A., Aerothermal analysis of the KRUPS space
capsules, 25th AIAA International Space Planes and Hypersonic Systems and Technologies
Conference, AIAA 2023-3082. doi - Stoffel T.D., Viqueira-Moreira M., Brehm C., Poovathingal S.J., Application of a Diffuse Interface
Multiphase Method for High Temperature and Hypersonic Flows with Phase Change, AIAA Aviation
2023 Forum, AIAA 2023-4250. doi - Tacchi B.D., Martin A., Poovathingal S.J., Inverse estimation of the Kentucky Re-entry Universal
Payload System (KRUPS) flight trajectory, AIAA Aviation 2023 Forum, AIAA 2023-3733. doi - Banerjee A., Martin A., Poovathingal S.J., Estimating effective radiative properties and in-depth
radiative heating of porous ablators, AIAA SciTech 2022 Forum, AIAA 2022-1640. doi - Chacon L., Mohan Ramu V.B., Poovathingal S.J., A supervised learning model to predict length-scale
dependent permeability of porous carbon composites, AIAA Aviation 2022 Forum, AIAA 2022-4007. doi - Viqueira-Moreira M., Stoffel T.D., Poovathingal S.J., Brehm C., Validation of a High-Order Diffuse
Interface Multi-Phase Method for High-Speed Droplet Shock Interaction and Impingement, AIAA
Aviation 2022 Forum, AIAA 2022-3922. doi - Banerjee A., Poovathingal S.J., Investigation of in-depth penetration of radiative heating in thermal
protection system (TPS), AIAA SciTech 2021 Forum, AIAA 2021-1631. doi - Barrios-Lobelle A., Davuluri R., Fu. R, Martin A., Poovathingal S.J., Surface oxidation of
carbon/carbon composites in hypersonic environments, AIAA SciTech 2021 Forum, AIAA 2021-1173. doi - Hansson K., Carroll A., Poovathingal S.J., Boyd I.D., Analysis of chemical kinetic parameters for
hydrogen atmospheres, AIAA SciTech 2021 Forum, AIAA 2021-0706, doi - Poovathingal S.J., Chen H., Modeling the damage process of dust particle impacts at microscale
during high-speed entry, AIAA Aviation 2021 Forum, AIAA 2021-3146. doi - Stoffel T.D., Barrios-Lobelle A., Schmidt J.D., Martin A., Poovathingal S.J., Computational fluid
dynamics analysis of the orbital flight of the Kentucky Re-Entry Universal Payload System (KRUPS),
AIAA Aviation 2021 Forum, AIAA 2021-3148. doi - Poovathingal S.J., Kruszelnicki, J., Boyd, I. D., Kushner, M. J., Non-equilibrium processes in plasma
torches of inductively coupled plasma facilities, AIAA Aviation 2019 Forum, AIAA 2019-3566. doi - Poovathingal S.J., Schwartzentruber T.E., Minton T.K., Gas-surface model in DSMC for molecules
passing through a funnel-type gas concentrator, AIAA Aviation 2019 Forum, AIAA 2019-1281. doi - Borner A., Swaminathan-Gopalan K., Stephani K.A., Murray V.J., Poovathingal S.J., Minton T.K.,
Panerai F., Mansour N.N., DSMC analysis of molecular beam experiments on light-weight carbon
preform ablators, 47th AIAA Thermophysics Conference 2017, AIAA 2017-3687. doi - Singh N., Poovathingal S.J., Schwartzentruber T.E., DSMC acceleration techniques applied to shock
heated and recirculating flows, 55th AIAA Aerospace Sciences Meeting 2017, AIAA 2017-1843. doi - Swaminathan-Gopalan K., Borner A., Stephani K.A., Murray V.J., Poovathingal S.J., Minton T.K.,
Mansour N.N., DSMC analysis of molecular beam experiments for oxidation of carbon-based ablators,
55th AIAA Aerospace Sciences Meeting 2017, AIAA 2017-1845. doi - Poovathingal S.J., Schwartzentruber T.E., Murray V.J., Minton T.K., Candler G.V., Finite-rate
oxidation model for carbon surfaces from molecular beam experiments, 46th AIAA Thermophysics
Conference 2017, AIAA 2016-3842. doi - Poovathingal S.J., Schwartzentruber T.E., Murray V.J., Minton T.K., Molecular simulations of surface
ablation using reaction probabilities from molecular beam experiments and realistic microstructure,
53rd AIAA Aerospace Sciences Meeting 2015, AIAA 2015-1449. doi - Schwartzentruber T.E., Poovathingal S.J., Stern E.C., Molecular simulation of oxygen reactions with
realistic carbon and silica surfaces at high temperature, 20th AIAA International Space Planes and
Hypersonic Systems and Technologies Conference 2015, AIAA 2015-3567. doi - Poovathingal S.J., Schwartzentruber T.E., Effect of microstructure on carbon-based surface ablators
using DSMC, 52nd Aerospace Sciences Meeting, AIAA SciTech Forum 2014, AIAA 2014-1210. doi - Poovathingal S.J., Schwartzentruber T.E., Computational chemistry modeling of the oxidation of
Highly Oriented Pyrolytic Graphite (HOPG), 43rd AIAA Thermophysics Conference 2012, AIAA
2012-3099. doi