Michael J. Aftosmis, S.M.

Aerospace Engineer, NASA Ames Research Center (ARC)
Computational Aerosciences Branch
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Michael Aftosmis is an Aerospace Engineer in the Computational Aerosciences Branch at Ames Research Center, Moffett Field, California. Michael's career has focused on the development and application of numerical methods for unstructured and Cartesian grids, computational geometry, mesh generation, adaptation and adjoint methods for error-estimation and shape design. He leads NASA's Cart3D software development team which supports a community of over 500 users across all NASA mission directorates, the DoD, DOE, academia and industry. His work on the Debris Transport Team for Shuttle Return to Flight was recognized with a NASA Silver Snoopy in 2006 and his contributions have been recognized through numerous NASA Achievement Awards, Research awards of the AIAA, and NASA's Software of the Year. Michael has served as an invited lecturer at the von Karman Institute in Belgium, a visiting scientist at the DLR Design Institute for Aerodynamics and his background includes 10 years in the Air Force Research Laboratory.

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Research/Technical Interests

Cartesian and unstructured mesh methods for Computational Fluid Dynamics
Error-estimation and mesh adaptation
Computational Geometry
Adjoint methods for error-estimation and shape design
Design and optimization

Projects

Cart3D Development Team Lead
ARMD: Ultra-efficient commercial aircraft
ARMD: Innovation in commercial aircraft
HEOMD: Exploration Systems Development
HEOMD: Commercial Space Transportation
SMD: Asteroid Threat Assessment Project

Professional Activities

Associate Fellow AIAA
Reviewer for numerous journals in aerospace, computational physics, and numerical methods
Research advisor/external examiner for Ph.D candidates at MIT, Stanford University, University of Michigan, Georgia Tech and the University of Toronto.

Publications

Aftosmis, M. J., Nemec, M., Mathias, D. L., Berger, M. J., Robertson, D., Prabhu, D., Dotson, J., "Numerical Simulation of Bolide Entry with Ground Footprint Prediction, 54th AIAA Aerospace Sciences Meeting, 4-8 Jan., 2016.
Mathias, D., Wheeler, L., Aftosmis, M. J., Robertson, D., Prabhu, D., Dotson, J., "Sensitivity to Uncertainty in Asteroid Impact Risk Assessment", Abstract NH14B-06, Presented at the 2016 Fall Meeting of the American Geophysical Union, 14-18 Dec., 2015.
Mehta, U., Aftosmis, M. J., Pandya, S., Bowles, J., "Skylon Airframe Aerodynamics and SABRE Plumes." AIAA Paper 2015-3605, 20^th AIAA International Space Planes and Hypersonic Systems and Technologies Conference (Hypersonics 2015), Glasgow, Scotland, 6-9, July, 2015.
Aftosmis, M. J., "Far-Field Propagation of Airburst Events Using a Cartesian Method", 1st International Workshop on Potentially Hazardous Asteroids Characterization, Atmospheric Entry and Risk Assessment, Moffett Fied, CA, (Presentation only) July, 2015.
Anderson, G.R., and Aftosmis, M.J., "Adaptive shape parameterization for aerodynamic design", NAS Technical Report NAS-2015-02, NASA, National Aeronautics and Space Administration, Ames Research Center, May 2015.
E. Venkatapathy, J. O. Arnold, M. J. Aftosmis, C. D. Burkhard, J. Dotson, T.Lee, D. Mathias, D. Morrison, D. K. Prabhu, and D. Sears, "Physics Based Simulation of Potentially Hazardous Asteroids Entry, Break-up and Impact", 12th International Planetary Probe Workshop, Cologne, Germany, June 15-19, 2015.
Mathias, D.L., Robertson, D.K., Aftosmis, M. J., "Sensitivity of Ground Damage Prediction to Meteoroid Breakup Modeling Assumptions", 4th IAAA Planetary Defense Conference (PDC 2015), Frascati, Roma, Italy, April 2015.
Anderson, G. R., and Aftosmis, M. J., "Adaptive shape control for aerodynamic design." AIAA Paper 2015-0398, AIAA SciTech 2015, Kissimmee, FL, January 2015.
Rodriguez, D. L., Aftosmis, M.J., Nemec, M., and Anderson, G.R., "Optimized off-design performance of flexible wings with continuous trailing-edge flaps." AIAA Paper 2015–1409, AIAA SciTech 2015, Kissimmee, FL, January 2015.
Anderson, G.R., Nemec, M., and Aftosmis, M. J., "Aerodynamic shape optimization benchmarks with error control and automatic parameterization." AIAA Paper 2015-1719, Kissimmee, FL, January 2015.
Nemec, M. and Aftosmis, M. J., "Toward Automatic Verification of Goal-Oriented Flow Simulations." NAS Technical Report NAS-2014-04, NASA, National Aeronautics and Space Administration, Ames Research Center, August 2014.
Nemec, M. and Aftosmis, M. J., "Toward Automatic Verification of Goal-Oriented Flow Simulations." NASA/TM 2014-218386, NASA, National Aeronautics and Space Administration, Center for AeroSpace Information, 7115 Standard Drive, Hanover, MD 21076-1320, August 2014.
Mehta, U. B., Aftosmis, M. J., Bowles, J., and Pandya, S., Skylon Aerodynamics and Propulsive Flight, Presented at US/UK Unmanned Aerial System (UAS) Power and Propulsion (P2) Sabre Workshop 2, Wright Brothers Institute, Dayton OH., September 3-5 2014.
M. A. Park, M. J. Aftosmis, R. L. Campbell, M. B. Carter, S. E. Cliff, and L. S. Bangert. Summary of the 2008 NASA Fundamental Aeronautics Program sonic boom prediction workshop. Journal of Aircraft, 51(3):987-1001, March 2014.
Aftosmis, M.J. and Nemec, M., Cart3D Simulations for the First AIAA Sonic Boom Prediction Workshop. AIAA Paper 2014-0558, AIAA SciTech 2014, National Harbor MD, January 2014.
Rodriguez, D.L., Aftosmis, M.J., Nemec, M., and Smith, S.C., Static Aeroelastic Analysis with an Inviscid Cartesian Method. AIAA Paper 2014-0836, AIAA SciTech 2014, National Harbor MD, January 2014.
Kless, J.E., Aftosmis, M.J., Ning, S.A., and Nemec, M., "Inviscid analysis of extended-formation flight." AIAA Journal, 51(7):1703–1715, July 2013.
Nemec, M., and Aftosmis, M. J., "Output Error Estimates and Mesh Refinement in Aerodynamic Shape Optimization", AIAA Paper 2013-0865, 51st AIAA ASM Meeting and Exhibit, Grapevine TX, January 2013.
Park, M., Aftosmis, M..J., Campbell, R., Carter, M., Cliff, S., and Bangert, L., "Summary of the 2008 NASA Fundamental Aeronautics Program Sonic Boom Prediction Workshop", AIAA Paper 2013-0649, 51st AIAA ASM Meeting and Exhibit, Grapevine TX, January 2013.
Nguyen, N., Trinh K., Reynolds K., Kless, J., Aftosmis, M. J., and Urnes J., "Elastically Shaped Wing Optimization and Aircraft Concept for Improved Cruise Efficiency", AIAA Paper 2013-0141, 51st AIAA ASM Meeting and Exhibit, Grapevine TX, January 2013.
Kless, J., Aftosmis, M.J., Ning, S.A., and Nemec, M., "Inviscid Analysis of Extended Formation Flight". ICCFD7 Paper-4306. Seventh International Conference on Computational Fluid Dynamics (ICCFD7), Big Island, HI, July 2012.
Anderson, G.R., Aftosmis, M.J., and Nemec, M., "Constraint-based Shape Parameterization for Aerodynamic Design". ICCFD7 Paper-2001. Seventh International Conference on Computational Fluid Dynamics (ICCFD7), Big Island, HI, July 2012.
Wintzer, M., Kroo, I., Aftosmis, M., and Nemec, M., "Conceptual Design of Low Sonic Boom Aircraft Using Adjoint-Based CFD". ICCFD7 Paper-2005. Seventh International Conference on Computational Fluid Dynamics (ICCFD7), Big Island, HI, July 2012.
J. S. Karcz, S. M. Davis, M. J. Aftosmis, G. A. Allen, Jr., N. M. Bakhtian, A. A. Dyakonov, K. T. Edquist, B. J. Glass, A. A. Gonzales, J. L. Heldmann, L. G. Lemke, M. M. Marinova, C. P. McKay, C. R. Stoker, P. D. Wooster2, K. A. Zarchi, "RED DRAGON: Low-Cost Access to the Surface of Mars Using Commercial Capabilities", Proceeding of Concepts and Approaches for Mars Exploration 2012. Lunar and Planetary Institute, June 2012.
Cliff, S.E., Elmiligui, A., Aftosmis, M.J., Thomas, S., Morgenstern, J., andDurston, D.A., "Design and Evaluation of a Pressure Rail for Sonic Boom Measurement in Wind Tunnels". ICCFD7 Paper-2006. Seventh International Conference on Computational Fluid Dynamics (ICCFD7), Big Island, HI, July 2012.
Berger, M.J., and Aftosmis, M.J., "Progress Towards a Cartesian Cut-Cell Method for Viscous Compressible Flow". AIAA Paper 2012-1301, 50^th AIAA ASM Meeting and Exhibit, Nashville, TN, January 2012.
Anderson, G.R., and Aftosmis, M.J., "Parametric Deformation of Discrete Geometry for Aerodynamic Shape Design". AIAA Paper 2012-0965, 50^th AIAA ASM Meeting and Exhibit, Nashville, TN, January 2012.
Bakhtian, N.M., and Aftosmis, M.J., "Maximum attainable drag limits for atmospheric entry via supersonic retropropulsion". Technical poster, Society of Women Engineers National Conference, Chicago, IL, October 2011.
Saini, S., Mehrotra, P., Taylor, K., Aftosmis, M., and Biswas, R., "Performance Analysis of CFD Application Cart3D Using MPInside and Performance Monitor Unit Data on Nehalem and Westmere Based Supercomputers", HPCC2011-255, 13th IEEE International Conference on High Performance Computing and Communications, Banff, Alberta, Canada, September 2011.
Bakhtian, N. M., and Aftosmis, M. J., "Addressing the Deceleration Challenge: Drag Augmentation for Atmospheric Entry", 4th IEEE International Conference on Space Mission Challenges for Information Technology, Palo Alto CA, August 2, 2011 (invited)
Aftosmis, M. J., Nemec, M., and Cliff, S. E., "Adjoint-Based Low-Boom Design with Cart3D", AIAA Paper 2011-3500, 29th AIAA Applied Aerodynamics Conference, Honolulu, HI, June 2011.
Bakhtian, N. M. and Aftosmis, M. J., "Analysis of Inviscid Simulations for the Study of Supersonic Retropropulsion", AIAA Paper 2011-3194, 29th AIAA Applied Aerodynamics Conference, Honolulu, HI,June 2011.
Kless, J. and Aftosmis, M. J., "Analysis of Grid Fins for Launch Abort Vehicle Using a Cartesian Euler Solver", AIAA Paper 2011-3666, 29th AIAA Applied Aerodynamics Conference, Honolulu, HI, June 2011.
Elmiligui, A. A., Cliff, S. E., Wilcox, F., Bangert, L., Nemec, M., Aftosmis, M. J., and Parlette, E., Sonic Boom Computations for a Mach 1.6 Cruise Low Boom Configuration and Comparisons with Wind Tunnel Data, AIAA Paper 2011-3496, 29th AIAA Applied Aerodynamics Conference, Honolulu, HI, June 2011.
N. M. Bakhtian and M. J. Aftosmis. "Maximum Attainable Drag Limits for Atmospheric Entry via Supersonic Retropropulsion". In Proceedings of the 8th International Planetary Probe Workshop, Portsmouth, VA, June 6-10 2011
Nemec, M., and Aftosmis, M. J., "Parallel adjoint framework for aerodynamic shape optimization of component-based geometry", AIAA Paper 2011-1249, 49th AIAA Aerospace Sciences Meeting, Orlando, FL, Jan 2011.
Bakhtian, N. M., and Aftosmis, M. J., "Parametric Study of Peripheral Nozzle Conﬁgurations for Supersonic Retropropulsion", Jol. Spacecraft and Rockets, 47(6):935-950. Jan 2010.
Saini, S., Mehrotra, P., Aftosmis, M., Chang, J., and Biswas, R. "Impact of simultaneous multi-threading on scientific and engineering applications", 17th IEEE International Conference on High Performance Computing (HiPC 2010), Dec. 2010.
Bakhtian, N. M., and Aftosmis, M. J., "Parametric Study of Peripheral Nozzle Conﬁgurations for Supersonic Retropropulsion", AIAA-Paper 2010-1239, January 2010.
Hu, P., Zhao, H., Kamakoti, R., Dittakavi, N., Xue, L., Ni, K., Mao, S., Marshall, D. D., and Aftosmis, M. J., "Towards Efficient Viscous Modeling Based on Cartesian Methods for Automated Flow Simulation", AIAA Paper 2010-1472, January 2010.
Aftosmis, M.J., Schwing, A., and Stewart, P.C. "Analysis of the ALAS at High-Alpha with ACM Jets Using Cart3D", NASA CEV Aerosciences Project Technical Brief EG-CAP-09-140, November 2009.
Aftosmis, M. J., and Nemec, M., "Exploring discretization error in simulation-based aerodynamic databases." Proceedings of the 21st International Conference on Parallel Computational Fluid Dynamics, Ed. R. Biswas, DEStech Publications, Inc., Lancaster, PA. May 2009.
Berkenstock, D.C., and Aftosmis, M.J. "Structure-preserving parametric deformation of legacy geometry", AIAA Paper 2008-6026, Sept. 2008.
Wintzer, M., Nemec, M., and Aftosmis, M.J., "Adjoint-based adaptive mesh refinement for sonic-boom prediction", AIAA Paper 2008-6593, Jun. 2008.
Aftosmis, M.J., "Analysis of the ALAS LAM/CM separation using Cart3D", NASA CEV Aerosciences Project Technical Brief EG-CAP-08-99, May 2008.
Aftosmis, M.J., and Rogers S. E., "Effects of jet-interaction on pitch control of a launch abort vehicle", AIAA Paper 2008-1281, Jan. 2008.
Dannenhoffer, J.F., and Aftosmis, M.J., "Automatic creation of quadrilateral patches on boundary representations", AIAA Paper 2008-0923, Jan. 2008.
Nemec, M., Aftosmis, M.J., and Wintzer M., "Adjoint-based adaptive mesh refinement for complex geometries", AIAA Paper 2008-0725, Jan. 2008.
Nemec, M., and Aftosmis, M. J., "Adjoint Sensitivity Computations for an Embedded-Boundary Cartesian Mesh Method." Jol. Computational Physics (2007), doi:10.10.16/j.jcp.2007.11.018.
Aftosmis, M.J., "LAV-068 ACM Assessment using Cart3D" NASA CEV Aerosciences Project Technical Brief EG-CAP-07-107, Aug. 2007.
Saini, S., Sandstrom, T., Jespersen, D., Talcott, D., Djomehri, J., Aftosmis, M., Kamil, S., Biswas, R., Oliker, L., Powers, A., Mehrotra, P., and Ciotti, R., "Application Based Performance Characterization of a Dual-Core IBM POWER5+ Computing System", IBM System Scientific User Group (ScicomP), Munich, Germany, July 2007.
Nemec, M., and Aftosmis, M.J., "Adjoint error-estimation and adaptive refinement for embedded-boundary Cartesian meshes", AIAA Paper 2007-4187, 18th AIAA CFD Conference, Miami, FL., Jun. 2007.
Biswas, R., Aftosmis, M.J., Kiris, C., and Shen, B.-W., "2007: Petascale Computing: Impact on Future NASA Missions", In Petascale Computing: Algorithms and Applications (D. Bader, ed.), Chapman and Hall /CRC Press, Dec. 2007.
Aftosmis, M.J., "LAV-054 ACM Assessment using Cart3D" NASA CEV Aerosciences Project Technical Brief EG-CAP-07-55, May 2007.
Nemec, M., and Aftosmis, M.J., "Adjoint sensitivity computations for an embedded-boundary Cartesian mesh method", Submitted Jol. Comp. Phy., May 2007.
Mavriplis, D.J., Aftosmis, M.J., and Berger, M.J., "High resolution aerospace applications using the NASA Columbia supercomputer", International Journal of High Performance Computing Applications. 21(1) pp. 106-126. Jan.
Murman, S.M., and Aftosmis, M.J., "Dynamic analysis of atmospheric-entry probes and capsules", AIAA-Paper 2007-0074, Jan. 2007.
Persson, P-O., Aftosmis, M.J, , and Haimes, R., "On the use of Loop subdivision surfaces for surrogate geometry", Proceedings of the 15th International Meshing Roundtable, Birmingham, AL, Oct. 2006.
Nemec, M., and Aftosmis, M.J., "Aerodynamic Shape Optimization Using a Cartesian Adjoint Method and CAD Geometry", NAS Technical Report NAS-06-007.
Nemec, M., and Aftosmis, M.J., "Adjoint Sensitivity Computations for an Embedded-Boundary Cartesian Mesh Method and CAD Geometry", Proc. of Fourth Intl. Conf. on Comp. Fluid Dynamics (ICCFD4), July 2006.
Nemec, M., and Aftosmis, M.J., "Aerodynamic Shape Optimization Using a Cartesian Adjoint Method and CAD Geometry", AIAA Paper 2006-3456, 24th AIAA Applied Aerodynamics Conference, June 2006.
Aftosmis, M.J., Berger, M.J., and Alonso, J.J., "Applications of a Cartesian Mesh Boundary-Layer Approach for Complex Configurations", AIAA Paper 2006-0652, Jan. 2006.
Aftosmis, M.J., Berger, M.J, Biswas, R., Djomehri, M.J., Hood, R., Jin, H., and Kiris, C., "A Detailed Performance Characterization of Columbia using Aeronautics Benchmarks and Applications", AIAA Paper 2006-0084, Jan. 2006.
Mavriplis, D.J., Aftosmis, M.J., and Berger, M.J., High Resolution Aerospace Applications using the NASA Columbia Supercomputer" NAS Technical Report NAS-05-018, Dec. 2005.
Brooks, W., Aftosmis, M.J., Biegel, B., Biswas, R., Ciotti, R., Freeman, K., Henze, C., Hinke, T., Haoqiang, J., Thigpen, W., "Impact of the Columbia supercomputer on NASA science and engineering applications", Proc. 7th Intl. Workshop on Dist. Comp., Kharagpur, India, Springer-Verlag. Dec. 2005.
Mavriplis, D.J., Aftosmis, M.J., and Berger, M.J., "High Resolution Aerospace Applications using the NASA Columbia Supercomputer", SC|05 Supercomputing 2005, International Conference of High Performance Computing, Networking, and Storage, Seattle, WA. Nov 2005.
Aftosmis, M.J, "Parameter Studies, Time-Dependent Simulations and Design with Automated Cartesian Methods", JAXA-SP-05-017, Proceedings of Aerospace Numerical Simulation Symposium June 23-24, 2005, Japan Aerospace Exploration Agency, JAXA Tokyo, Japan. Feb. 2006.
Nemec, M., and Aftosmis, M.J., "Adjoint algorithm for CAD-based shape optimization using a Cartesian method", AIAA Paper 2005-4987, 17th Computational Fluid Dynamics Conference, Toronto, Ontario, Canada. Jun. 2005.
Nemec, M., and Aftosmis, M.J., "Adjoint algorithm for CAD-based shape optimization using a Cartesian method", NAS Technical Report NAS-05-014, Oct. 2005.
Berger, M.J., Aftosmis, M.J., and Murman, S. M., "Analysis of slope limiters on irregular grids", NAS Technical Report NAS-05-007, May 2005.
Nemec, M, Aftosmis, M.J., Murman, S.M., and Pulliam, T.H., "Adjoint formulation for an embedded-boundary Cartesian method", NAS Technical Report NAS-05-008, May, 2005.
Berger, M.J., Aftosmis, M.J., Marshall, D.D., and Murman, S.M., "Performance of a new CFD flow solver using a hybrid programming paradigm", Jol. of Parallel and Distributed Computing., 65 pp.414-423, 2005.
Berger, M.J., Aftosmis, M.J., and Murman, S. M., "Analysis of slope limiters on irregular grids", AIAA Paper 2005-0490, Jan. 2005.
Murman, S.M., Aftosmis, M.J., and Rogers, S.E. "Characterization of Space Shuttle Ascent debris using a Cartesian method" AIAA Paper 2005-1223, Jan. 2005.
Nemec, M., Aftosmis, M.J., Murman, S.M., and Pulliam T. "Adjoint formulation for an embedded-boundary Cartesian method" AIAA Paper 2005-0877, Jan. 2005.
Murman, S.M., Aftosmis, M.J., and Nemec, M., "Automated parameter studies using a Cartesian method", NAS Technical Report NAS-04-015, Nov. 2004.
Krishnakumar, K., Gundy-Burlet, K.G., Aftosmis, M.J., Nemec, M., Limes, G., Berry, M., and Logan, M., "Intelligent control for the BEES Flyer", AIAA-Paper 2004-6274, AIAA 1st Intelligent Systems Technical Conference, Sept. 2004.
Murman, S.M., Aftosmis, M.J., and Nemec, M., "Automated parameter studies using a Cartesian method", AIAA Paper 2004-5076, Aug. 2004.
Pandya, S. A., Murman, S.M., and Aftosmis, M.J., "Validation of inlet and exit boundary conditions for a Cartesian method", AIAA Paper 2004-4837, Aug. 2004.
Murman, S.M., Aftosmis, M.J., and Berger, M.J., "Simulations of store separation from an F/A-18 with a Cartesian method", Jol. of Aircraft, 41(4):870-879, Jul-Aug 2004.
Chaderjan, N.M., Rogers, S.E., Aftosmis, M.J., Pandya, S.A., Ahmad, J.U., and Tejnil, E., "Automated Euler and Navier-Stokes database generation for a glide-back booster", Proceedings of the 3rd International Conference on Computational Fluid Dynamics, Toronto, Canada, Springer-Verlag, July 2004.
Nemec, M., Aftosmis, M.J., Pulliam, T.H., "On the use of CAD and Cartesian methods for aerodynamic optimization", Computational Fluid Dynamics 2004, Proceedings of the 3rd International Conference on Computational Fluid Dynamics, ICCFD 3, Toronto, Canada, 12-16 July 2004, Eds. C. Groth and D. W. Zingg, Springer-Verlag, Berlin, pp. 699-704, 2006.
Gomez, R.J., Vicker, D., Rogers, S.E., Aftosmis, M.J., Chan, W.M., Meakin, R., Murman, S.M., "STS-107 investigation ascent CFD support", AIAA Paper 2004-2226, Jun. 2004.
Murman, S.M., Aftosmis, M.J., and Berger, M.J., "Simulations of a 6-DOF motion with a Cartesian CFD method", AIAA Jol. Accepted for publication, 2004.
Murman, S. M., Aftosmis, M.J., and Berger M.J., "Numerical simulation of rolling-airframes using a multi-level Cartesian method", Jol. Spacecraft and Rockets, 41(3):426-435. May 2004.
Aftosmis, M.J., Berger, M.J., and Murman, S.M., "Applications of space-filling curves to Cartesian methods for CFD", NAS Technical Report NAS-04-002, March 2004.
Aftosmis, M.J., Berger, M.J., and Murman, S.M., "Applications of space-filling curves to Cartesian methods for CFD", AIAA Paper 2004-1232, Reno, NV, Jan. 2004.
Nemec, M., Aftosmis, M.J., and Pulliam, T. H., "CAD-based aerodynamic design of complex configurations using a Cartesian method", NAS Technical Report NAS-04-001, March 2004.
Nemec, M., Aftosmis, M.J., and Pulliam, T. H., "CAD-based aerodynamic design of complex configurations using a Cartesian method", AIAA Paper 2004-0113, Reno, NV, Jan. 2004.
Gomez, R.J., Aftosmis, M.J., Vicker, D., Meakin, R.L, Stuart, P.C., Rogers, S.E, Greathouse, J.S., Murman, S.M., Chan, W.M, Lee, D.E., Condon, G.L., and Crain, T. "Debris Transport Analysis". Columbia Accident Investigation Board (CAIB) Final Report, Vol II, Appendix D.8. Government Printing Office, October 2003.
Murman, S. M, and Aftosmis, M. J., "Cartesian-grid simulations of a canard-controlled missile with a spinning tail". AIAA Paper 2003-3670, 21st AIAA Applied Aerodynamics Conference, June 2003.
Rogers, S. E, Aftosmis, M. J., Pandya, S.A., and Chaderjian, N. M, Tejnil, E., and Ahmad, J, "Automated CFD parameter studies on distributed parallel computers", AIAA Paper 2003-4229 16th AIAA Computational Fluid Dynamics Conference, June 2003.
Chaderjian, N. M., Rogers, S. E, Aftosmis, M. J., Pandya, S.A., Tejnil, E., and Ahmad, J., "Automated CFD database generation for a 2nd generation glide-back booster", AIAA Paper 2003-3788, June 2003.
Murman, S.M., Aftosmis, M.J., and Berger, M.J., "Implicit approaches for moving boundaries in a 3-D Cartesian method", AIAA Paper 2003-1119, 41st AIAA Aerospace Sciences Meeting, Reno NV, Jan. 2003.
Murman, S.M., Aftosmis, M.J., and Berger, M.J., Simulations of 6-DOF motion with a Cartesian method", AIAA Paper 2003-1246, 41st AIAA Aerospace Sciences Meeting, Reno NV, Jan. 2003.
Murman, S.M., Chan, W.M., Aftosmis, M.J., and Meakin, R.L., "An interface for specifying rigid-body motions for CFD applications", AIAA Paper 2003-1237, 41st AIAA Aerospace Sciences Meeting, Reno NV, Jan. 2003.
Murman, S. M., Aftosmis, M.J., and Berger M.J., "Numerical simulation of rolling-airframes using a multi-level Cartesian method", AIAA Paper 2002-2798, 20^th AIAA Applied Aerodynamics Conference, St. Louis, MO, Jun. 2002.
Haimes, R., and Aftosmis M.J, "On generating high quality "water-tight" triangulations directly from CAD" Proc. of the 8th Internat. Grid Conf., Honolulu, HI, Jun. 2002.
Marshall, D.D., Aftosmis, M.J., and Ruffin, S.M., "Study of parallelization enhancements for Cartesian grid solver", Proceedings of the International conference on Parallel CFD 2002, Kansai Science City, Japan, May, 2002.
Aftosmis M.J., and Berger M.J., "Multilevel error estimation and adaptive h-refinement for Cartesian meshes with embedded boundaries", AIAA Paper 2002-0863, 40^th AIAA Aerospace Sciences Meeting and Exhibit, Reno NV, Jan. 2002.
S. A. Pandya and M. J. Aftosmis, "Computation of external aerodynamics for a canard rotor/wing aircraft", AIAA 2001-0997, 39th AIAA Aerospace Sciences Meeting and Exhibit, Reno NV, Jan. 2001.
Hendriks, A., Haimes, R., and Aftosmis, M.J., "Filling the void - Interpolating in Cartesian cut cells", AIAA Paper 2001-0916, Jan. 2001.
Berger, M. J, and Aftosmis, M. J., "Parallel multigrid on Cartesian meshes with complex geometry", Proc. of. Internat. Parallel CFD 2000 Conf., Trondheim Norway, May 2000.
Aftosmis, M. J., Berger, M. J., and Adomavicius, G., "A parallel multilevel method for adaptively refined Cartesian grids with embedded boundaries", AIAA Paper 2000-0808, 38th Aerospaces Sciences Meeting and Exhibit, Reno, NV, Jan. 2000.
Chase, R.L., Mehta, U. B., Bogdanoff, D.W., Park, C., Lawrence, S., and Aftosmis, M. J, "Comments on an MHD energy bypass engine powered spaceliner", AIAA Paper 99-4975, AIAA 9th International Space Planes and Hypersonic Systems and Technologies Conference. Norfolk, VA, Nov. 1999.
Aftosmis, M. J., Berger, M. J., and Adomavicius, G., "A parallel Cartesian approach for external Aerodynamics of vehicles with complex geometry", Proceedings of the Thermal and Fluids Analysis Workshop 1999. NASA Marshall Spaceflight Center, Huntsville, AL, Sep. 1999.
Aftosmis, M.J., "On the use of CAD-native predicates and geometry in surface meshing", NASA/TM-1999-208782, National Aeronautics and Space Administration, Center for AeroSpace Information, 7115 Standard Drive, Hanover, MD 21076-1320, August 1999.
Aftosmis, M.J., Delanaye, M., Haimes, R., "Automatic generation of CFD-ready surface triangulations from CAD geometry", AIAA Paper 99-0776, Jan. 1999.
Delanaye, M., Aftosmis, M.J., Berger, M.J., Liu, Y., and Pulliam, T.H., "Automatic hybrid-Cartesian grid generation for high-Reynolds number flows around complex geometries", AIAA Paper 99-0771, Jan. 1999.
Berger, M.J., and Aftosmis, M.J., "Aspects (and aspect ratios) of Cartesian mesh methods." Proceedings of the 16th International Conference on Numerical Methods in Fluid Mechanics, Arcachon, France, Lecture Notes in Physics 15:1-12, July 1998.
Aftosmis, M.J., Berger, M.J., Melton, J.E., "Robust and Efficient Cartesian Mesh Generation for Component-Based Geometry", AIAA Journal 36(6):952-960, Jun. 1998.
Aftosmis, M.J., Melton, J.E., and Berger, M.J., "Adaptive Cartesian Mesh Generation", Chapter 22 in Handbook of Grid Generation, Thompson, J, Weatherhill, N., and Soni, B. eds. CRC Press 1998.
Aftosmis, M.J., "Aspects of Cartesian Grid Methods for Aerodynamic Flows with Complex Geometries", 28th Lecture Series in Advanced Computational Fluid Dynamics, ), von Karman Institute for Fluid Dynamics, Mar., 97.
Aftosmis, M.J., Berger, M.J., and Melton, J.E., "Robust and Efficient Cartesian Mesh Generation for Component-Based Geometry", AIAA Paper 97-1096, Jan., 1997.
Berger, M.J., Aftosmis, M.J., Melton, J.E., "Accuracy, Adaptive Methods and Complex Geometry", Proc. First AFOSR Conf. on Dynamic Motion in CFD, Rutgers, NJ, Jun 96.
Aftosmis, M.J., Gaitonde, D., and Tavares, T.S., "On the Behavior of Linear Reconstruction Techniques on Unstructured Meshes", AIAA J., Vol 33, #11 pp2038-2049, Nov., 1995.
Aftosmis, M.J., Melton, J.E., Berger, M.J., "Adaptation and Surface Modeling for Cartesian Mesh Methods", AIAA Paper 95-1725, Jun., 1995.
Aftosmis, M.J., "Emerging CFD Technologies and Aerospace Vehicle Design", Proceedings of the NASA Workshop on Surface Modeling, Grid Generation and Related Issues, NASA CP-3291 May 9-22, 1995.
Melton, J. E., Aftosmis, M. J., Berger, M. J., and Wong, M. D., "Development and Application of a 3D Cartesian Grid Euler method", in Surface Modeling, Grid Generation, and Related Issues in Computational Fluid Dynamic (CFD) Solutions, NASA CP-3291, May 9-22, 1995.
Melton, J.E., Berger, M.J., Aftosmis, M.J., and Wong, M.D., "Development and Application of a 3D Cartesian Grid Euler Method", Proceedings of the NASA Workshop on Surface Modeling, Grid Generation and Related Issues, May 9-22 1995.
Melton, J.E., Berger, M.J, Aftosmis, M.J., and Wong, M.D., "3D Applications of a Cartesian Grid Euler Method", AIAA Paper 95-0853, Jan., 1995.
Aftosmis, M.J., Gaitonde, D., and Tavares, T.S., "The Behavior of Linear Reconstruction Techniques on Unstructured Meshes", WL-TR-94-3023, Feb. 1994.
Aftosmis, M.J., "An Upwind Method for Simulation of Viscous Flow on Adaptively Refined Meshes", AIAA Journal Vol. 32, No. 2, Feb. 1994, pp.268-277.
Aftosmis, M.J., Gaitonde, D., and Tavares, T.S., "On the Accuracy, Stability and Monotonicity of Various Reconstruction Algorithms for Unstructured Meshes", AIAA Paper 94-0415, Jan. 1994.
Aftosmis, M.J., "Viscous Flow Simulation Using an Upwind Method for Hexahedral Based Adaptive Meshes", WL-TR-93-3015, March 1993.
Aftosmis, M.J., "Viscous Flow Simulation Using an Upwind Method for Hexahedral Based Adaptive Meshes", AIAA Paper 93-0772, Jan. 1993.
Aftosmis, M.J., "An Upwind Method for the Solution of the 3D Euler and Navier-Stokes Equations on Adaptively Refined Meshes", WL-TR-92-3107, Oct. 1992.
Kroll, N., Gaitonde, D., and Aftosmis, M., "An Examination of Several High Resolution Schemes Applied to Complex Problems in High Speed Flow", WL-TR-91-3089, Feb. 1992.
Aftosmis, M., "A Second-Order TVD Method for the Solution of the 3D Euler and Navier-Stokes Equations on Adaptively Refined Meshes", Proceedings of the 13th International Conference on Numerical Methods in Fluid Mechanics, Rome Italy, July 1992.
Aftosmis, M.J., "Two Compact Cell-Vertex Methods for Computational Electromagnetics", AIAA Paper 91-1504, June 1991.
Kroll, N., Gaitonde, D., and Aftosmis, M., "A Systematic Comparative Study of Several High Resolution Schemes for Complex Problems in High Speed Flows", AIAA Paper 91-0636, Jan. 1991.
Aftosmis, M., and Kroll, N., "A Quadrilateral Based Second-Order TVD Method for Unstructured Adaptive Meshes", AIAA Paper 91-0124, Jan. 1991.
Aftosmis, M.J., and Baron, J.R., "An Adaptive Grid Algorithm for Nonequilibrium Hypersonic Flows", WL-TR-90-3002, 1990.
Huband, G., Shang, J.S., and Aftosmis, M.J., "Numerical Simulation of an F-16 at Angle of Attack", Journal of Aircraft Vol. 27, No. 10, 1990.
Huband, G., Shang, J.S., and Aftosmis, M.J., "Numerical Simulation of an F-16 at Angle of Attack", AIAA Paper 90-0100, Jan. 1990.
Aftosmis, M.J., "Adaptive Grid Embedding in Nonequilibrium Hypersonic Flows", AIAA Paper 89-1652, June 1989.
Aftosmis, M.J., "An Adaptive Grid Algorithm for Nonequilibrium Hypersonic Flows", S.M. Thesis, Massachusetts Institute of Technology, Cambridge, MA, 1989.

Awards

2015/09 NASA NASA Superior Accomplishment Award for Planetary Defense and Cart3D
2015/09 NASA NASA Group Achievement Award: Planetary Defense Group
2014/11 NASA NASA Group Achievement Award: Adaptive Aeroelastic Wing Shaping Control
2014/09 NASA 25yr Service Medal
2014/09 NASA Exceptional Engineering Achievement Medal
2014/03 NASA ARMD Associate Administrator Award Sonic Boom Team
2013/10 NASA Ames Honor Award for Commercialization/Technology Transfer
2012/10 NASA Ames Special Recognition Mentor Award
2012/08 NASA Group Achievement Award: Cart3D Development Team
2012/08 NASA Group Achievement Award: Sonic Boom Team
2012/08 NASA Group Achievement Award: NAS Tours Team
2012/05 AIAA Best Paper Award (2011 Applied Aero Meeting)
2012/02 NASA Space Shuttle Program Manager's Commendation
2011/08 NASA Space Shuttle Program Manager's "Mission Complete Award"
2011/08 NASA Space Shuttle Program Ascent Environments Team Award
2011/03 NASA Group Achievement Award Orion PA-1 Flight Test Team
2010/05 NASA 20yr Service Medal
2010/02 NASA CEV Aeroscience Project Group Achievement Award
2009/02 NASA On The Spot Award: Reconstruction of Soyuz 14S/15S Flight Anomalies
2008/02 NASA Spaceflight Awareness Award: Space Shuttle Debris Transport Team
2007/08 NASA Performance Award: NASA Advanced Supercomputing Div.
2007/06 NASA Honor Award: Exceptional Achievement Medal
2007/05 NASA Group Achievement Award: Shuttle Ascent Debris Analysis
2006/11 NASA Silver Snoopy Award
2005/11 Supercomputing'05 Best Technical Paper Award
2005/05 NASA Group Achievement Award: Project Columbia Team
2005/05 NASA Group Achievement Award: Return to Flight Team
2003 NASA Group Achievement Award: 1024p Single System Image Origin 3000 Comp.
2002 NASA Winner NASA Software of the Year for
2002 NASA Code IN Special Achievement Award
2002 AIAA Best Paper Award for AIAA-2002-0863