▪ The Indian Space Research Organisation (ISRO) has developed the software named Parallel RANS Solver for Aerospace Vehicle Aero-thermo-dynamic Analysis (PraVaHa).
▪ PraVaHa aims to simulate external and internal flows on launch vehicles.
▪ It was developed in ISRO’s Vikram Sarabhai Space Centre (VSSC).
▪ It has been used extensively in the Gaganyaan program.
About ISRO
Formation – August 15, 1969
Headquarters – Bengaluru
Chairman – S. Somanath

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