Contact: anirudd@vt.edu
ORCID: 0000-0003-1358-7296
Researcher ID: D-6551-2017
Stream: Aero/Hydrodynamics
Dissertation title: "Verification of Compressible and Incompressible CFD codes and Residual-based Mesh Adaptation"
Advisor: Prof. Christopher J. Roy
Specialization: Aerodynamics
Thesis title: "Smoothed Particle Hydrodynamics for Fluid Dynamics"
Advisor: Prof. Prabhu Ramachandran
Computational Fluid Dynamics (CFD)
Verification, Validation, and Uncertainty Quantification (VV&UQ)
Numerical Methods
Aerodynamics
Multiphase Flows
Mesh Adaptation
[2017-Present] Postdoctoral Researcher, Department of Applied Mechanics, Indian Institute of Technology Madras, Chennai, TN, India
[2016-2016] Research Engineer (Level 4), AECOM (http://www.aecom.com), Morgantown, WV, USA
[2014-2015] Postdoctoral Fellow, National Energy Technology Laboratory (https://netl.doe.gov), Morgantown, WV, USA
[2008-2014] Research Assistant, Department of Aerospace and Ocean Engineering, Virginia Tech, Blacksburg, VA, USA
[2007-2008] CFD Engineer, Zeus Numerix Pvt. Ltd. (http://zeusnumerix.com), Mumbai, MH, India
[2005] Summer Intern, Pratt and Whitney Canada - Info Tech, Bangalore, KA, India
Introduction to CFD, AOE 4434/5434, AOE@VT, [2008-2014, Every Fall semester]
Verification and Validation in Scientific Computing, AOE 6444, AOE@VT, [Spring 2014]
Compressible Aerodynamics, AOE 3114, AOE@VT, [Spring 2013]
High Speed Aerodynamics, AOE 5114, AOE@VT, [Spring 2012]
Configuration Aerodynamics, AOE 4124, AOE@VT, [Spring 2011]
Aircraft Performance, AOE 3104, AOE@VT, [Spring 2010]
Experimental Methods, AOE 3054, AOE@VT, [Spring 2009]
Numerical Methods for Engineers & Matrix Computations, AE 451/771, AE@IITB, [Spring 2007]
Aerodynamics of Aerospace Vehicles, AE 315, AE@IITB, [Fall 2006]
Student name: “Jerald Lim”, B.S., Aerospace Engineering, Virginia Tech, Project title: “Smoothing/filtering of weighting functions for mesh adaptation.” [Spring 2013]
Student name: “Anthony Wolosik”, B.S., Aerospace Engineering, Virginia Tech, Project title: “Smoothing/filtering of weighting functions for mesh adaptation.” [Spring 2014]
Postdoctoral Fellowship, Indian Institute of Technology Madras, India [2019]
Postdoctoral Fellowship, Oak Ridge Institute for Science and Education, USA [2015]
Third place in Student Paper Competition, 20th AIAA CFD Conference, Honolulu, Hawaii, USA [2011]
Pratt Fellowship, Virginia Tech, USA [2009, 2010]
Silver medalist, National Science Olympiad, Science Olympiad Foundation, India [2002]
KVPY Fellowship, Department of Science and Technology, India [2000]
National Talent Search Scholarship, NCERT, India [2000]
American Institute of Aeronautics and Astronautics (AIAA)
American Society of Mechanical Engineers (ASME)
Journal of Computational Physics, Elsevier
Journal of Wind Engineering and Industrial Aerodynamics, Elsevier
Building and Environment, Elsevier
Chemical Engineering Science, Elsevier
Journal of Verification, Validation, and Uncertainty Quantification, ASME
Journal of Advances in Modeling Earth Systems, AGU
30th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2011), 19-24 June, Rotterdam, the Netherlands
Department delegate for AOE, Graduate Student Assembly, Virginia Tech [2009-2011]
Member of Students' Feedback Committee for Academic Reforms, IIT Bombay [2006-2007]
Institute General Secretary for Cultural Affairs, IIT Bombay [2005-2006]
Institute Fine Arts Secretary, IIT Bombay [2004-2005]
Languages: Fortran, Python, C, C++, Matlab
CFD/Analysis: ANSYS Workbench (Fluent, Meshing, SpaceClaim, Design Modeler), MFIX, Gridgen, Tecplot, Paraview, Mathematica
Operating systems: Linux, Windows
Documentation: MS Office, Latex
Version control: Git, SVN
"Parallel Programming and Optimization with Intel Xeon Phi Coprocessor", Workshop, University of Pittsburgh, Center for Simulation and Modeling, Duration: 2 days [2015]
"High Performance Computing and Visualization Workshop", Workshop, Virginia Tech, Advanced Research Computing, Duration: 2 days [2012]
"Scientific Computing using Python", CEP Course, IIT Bombay, 4 days [2007]
"Advanced Programming with C++", CEP Course, IIT Bombay, 1 month [2004]
Choudhary A, Roy CJ. In: Yeoh GH, editor. Verification and Validation for Multiphase Flows. Singapore: Springer; 2018. p. 1–37. doi:10.1007/978-981-4585-86-6_24-1.
Musser J, Choudhary A. MFIX Documentation Volume 3: Verification and Validation Manual. Morgantown, West Virginia: US Department of Energy, National Energy Technology Laboratory; 2015.
Choudhary A, Narasimhamurthy VD. DES and RANS Modeling of Primary Atomization In a Coaxial Swirling Liquid-Gas Jet. Atomization and Sprays. 2023; 33(5):47-74. doi:10.1615/AtomizSpr.2023045729
Choudhary A, Tyson WC, Roy CJ. Implementation and Verification of a Residual-based r-Adaptation Technique On Structured Meshes. ASME Journal of Verification, Validation and Uncertainty Quantification. 2019 April; doi:10.1115/1.4043652.
Choudhary A, Roy CJ, Dietiker JF, Shahnam M, Garg R, Musser J. Code verification for multiphase flows using the method of manufactured solutions. International Journal of Multiphase Flow. 2016 April;80(-):150–163. doi:10.1016/j.ijmultiphaseflow.2015.12.006.
Choudhary A, Roy CJ, Luke EA, Veluri SP. Code verification of boundary conditions for compressible and incompressible computational fluid dynamics codes. Computers & Fluids. 2016 March;126(-):153–169. doi:10.1016/j.compfluid.2015.12.003.
Choudhary A, Voyles I, Roy CJ, Oberkampf WL, Patil M. Probability bounds analysis applied to the Sandia verification and validation challenge problem. Journal of Verification, Validation and Uncertainty Quantification. 2016 February;1(1):011003. doi:10.1115/1.4031285.
Asapu S, Pandey A, Choudhary A, Sahu S, Narasimhamurthy VD, Two Phase Flow Simulation of Primary Liquid Breakup in Coaxial Jets, 8th International and 47th National Conference on Fluid Mechanics and Fluid Power (FMFP), Assam, India; 2020.
Choudhary A, Narasimhamurthy VD. A Comparative Study of Turbulence Models for Two-Phase Coaxial Swirling Jet Flows. In: 25th International Conference on High Performance Computing Workshops (HiPCW). Bengaluru, India: IEEE; 2018. doi:10.1109/HiPCW.2018.8634062.
Tyson WC, Derlaga JM, Roy CJ, Choudhary A. Comparison of r-Adaptation Techniques for 2-D CFD Applications. In: 22nd AIAA Computational Fluid Dynamics Conference. Dallas, Texas: American Institute of Aeronautics and Astronautics; 2015. doi:10.2514/6.2015-2611.
Choudhary A, Roy CJ, Dietiker JF, Shahnam M, Garg R. Code Verification for Multiphase Flows Using the Method of Manufactured Solutions. In: ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting. Chicago, Illinois: ASME; 2014. doi:10.1115/fedsm2014-21608.
Choudhary A, Roy CJ. Structured Mesh r-Refinement using Truncation Error Equidistribution for 1D and 2D Euler Problems. In: 21st AIAA Computational Fluid Dynamics Conference, Fluid Dynamics and Co-located Conferences. American Institute of Aeronautics and Astronautics; 2013. doi:10.2514/6.2013-2444.
Choudhary A, Roy CJ. A Truncation Error-Based Approach to Understanding and Improving Mesh Quality in CFD. In: 50th AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics; 2012. doi:10.2514/6.2012-607.
Choudhary A, Roy CJ, Luke EA, Veluri SP. Issues in Verifying Boundary Conditions for 3D Unstructured CFD Codes. In: 20th AIAA Computational Fluid Dynamics Conference. Honolulu, Hawaii: American Institute of Aeronautics and Astronautics; 2011. Placed Third in AIAA Student Paper Competition. doi:10.2514/6.2011-3868.
Choudhary A, Roy CJ. Efficient Residual-Based Mesh Adaptation for 1D and 2D CFD Applications. In: 49th AIAA Aerospace Sciences Meetings. American Institute of Aeronautics and Astronautics; 2011. doi:10.2514/6.2011-214.
Alyanak EJ, Roy CJ, Choudhary A. Investigation of Optimal Grid Distributions for Burgers’ Equation. In: 49th AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics; 2011. doi:10.2514/6.2011-888.
Veluri SP, Roy CJ, Choudhary A, Luke EA. Finite Volume Diffusion Operators for Compressible CFD on Unstructured Grids. In: 19th AIAA Computational Fluid Dynamics, Fluid Dynamics and Co-located Conferences. American Institute of Aeronautics and Astronautics; 2009. doi:10.2514/6.2009-4141.
Roy CJ, Choudhary A. Verification of the MFIX CFD Code (Final Report). Morgantown, West Virginia: US Department of Energy, National Energy Technology Laboratory; 2015.
Roy CJ, Veluri SP, Choudhary A, Phillps TS, Luke EA. Code Verification for Loci-CHEM CFD Code (Final Report). NASA xUIP; 2013.
Derlaga JM, Phillips TS, Choudhary A, Roy CJ. Verification and Validation for Computational Fluid Dynamics using the SENSEI Code;. Presented at ASME Verification and Validation Symposium, Las Vegas, Nevada, May 7–9, 2014.
Derlaga JM, Phillips TS, Choudhary A, Borggaard JT, Roy CJ. Adjoint Error Estimation and Mesh Adaptation for Multidimensional Euler and Navier-Stokes Equations;. Presented at ASME Verification and Validation Symposium, Las Vegas, Nevada, May 7–9, 2014.
Roy CJ, Phillips TS, Derlaga JM, Choudhary A, Borggaard JT. Comprehensive Framework for Discretization Error Estimation and Adaptivity in CFD;. Presented at ASME Verification and Validation Symposium, Las Vegas, Nevada, May 7–9, 2014.
Roy CJ, Choudhary A, Voyles IT, Patil M, Oberkampf WL. Probability Bounds Analysis Applied to the Sandia V&V Challenge Problem;. Presented at ASME Verification and Validation Symposium, Las Vegas, Nevada, May 7–9, 2014.
Choudhary A, Roy CJ. Code Verification of Multiphase Flows with MFIX;. Presented at ASME Verification and Validation Symposium, Las Vegas, Nevada, May 22–24, 2013.
Choudhary A, Roy CJ. Code Verification of MFIX Baseline Governing Equations;. Presented at Multiphase Flow Science Conference, US DOE National Energy Technology Laboratory (NETL), Morgantown, West Virginia, May 22–24, 2012.
Choudhary A. Numerical Errors and Uncertainties in Scientific Computing;. Seminar at Indian Institute of Technology Madras, Chennai, October 12, 2018.
Choudhary A. Numerical Errors and Uncertainties in Scientific Computing;. Seminar at Indian Institute of Technology Hyderabad, Kandi, January 8, 2018.
Choudhary A. Two-Fluid Model with Kinetic Theory of Granular Flows;. Lecture at 2-day short course, Gas Turbine Research Establishment (GTRE), Bengaluru, January 4, 2018.
Choudhary A. Numerical Errors and Uncertainties in Scientific Computing;. Seminar at Indian Institute of Technology Delhi, New Delhi, August 29, 2017.
Choudhary A. Verification, Validation, and Uncertainty Quantification in Scientific Computing;. Seminar at Indian Institute of Technology Bombay, Mumbai, October 21, 2016.
Roy CJ, Phillps TS, Derlaga JM, Choudhary A, Borggaard JT. Residual-based Methods for Estimating Discretization Error and Adaptivity in CFD;. Invited Lecture at Sandia National Labs, Albuquerque, New Mexico, October 20, 2014.
Choudhary A. Code Verification for Multiphase Flows Using the Method of Manufactured Solutions;. Web Seminar to the National Energy Technology Laboratory, Morgantown, West Virginia, September 11, 2014.
Roy CJ, Phillps TS, Derlaga JM, Choudhary A, Borggaard JT. Reliable and Efficient Methods for CFD;. Invited Lecture at Air Force Research Laboratory, Dayton, Ohio, August 7, 2014.
Choudhary A. Problem Solving in CFD;. Lecture at the Workshop on CFD: Basics and Applications, Finolex Academy of Management and Technology, Ratnagiri, Maharashtra, April 4, 2008.
Choudhary A. From Academics to Technology Business;. Lecture at Aeroprenerus 2008 — An entrepreneurship event at the Aerospace Engineering Department, IIT Bombay, Mumbai, January 23, 2008.