Development and Validation of Jatayu -- an In-House CFD solver for High-Speed Aerospace Applications

Sharma, Vatsalya and Eswaran, Vinayak and Chakraborty, Debasis (2022) Development and Validation of Jatayu -- an In-House CFD solver for High-Speed Aerospace Applications. In: AIAA AVIATION 2022 Forum, 27 June 2022 through 1 July 2022, Chicago.

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This paper introduces Jatayu – the in-house parallel, three-dimensional, all-speed, finite-volume, unstructured-grid-framework-based Computational Fluid Dynamics (CFD) solver aimed specifically at high speed flow applications. Jatayu is written in C++ as an object oriented programming platform(O2P2), which creates each physics model as a separate library, that can be dynamically loaded during run-time. This makes Jatayu very modular and flexible, such that it can be easily extended to solve any arbitrary set of equations for multi-physics problems relevant to aerospace such as combustion, aero-acoustics, etc., without affecting other modules in the solver. Jatayu is also capable of harnessing the high-performance scientific computing by using MPI and the ATLAS library for solving complex aerospace applications. We present an overview of current capabilities of Jatayu along with their brief description in terms of physical models and numerical methods. The paper also presents two challenging benchmark problems solved using Jatayu, the first over a missile body at Ma = 7, the second over a DLR R − 6 aircraft at transonic speeds. © 2022, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

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IITH Creators:
IITH CreatorsORCiD
Eswaran, VinayakUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Additional Information: The authors would like to acknowledge Prof. Amaresh Dalal at IIT-Guwahati, India for his help in the initial stages of the solver development. The project for solver development was funded for the time-period 1 year by the Defence Research Development Lab(DRDL) Hyderabad, India under CARS project no. DRDY/24/08R/18/0411/43145/CM M − II II.
Uncontrolled Keywords: Arbitrary sets; Finite-volume; Fluid dynamic solvers; High Speed; High speed flows; Modulars; Objectoriented programming (OOP); Physics modeling; Runtimes; Unstructured grid
Subjects: Physics > Mechanical and aerospace
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 06 Aug 2022 08:57
Last Modified: 06 Aug 2022 08:57
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