Which Software is Best for CFD: Fortran vs C

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For computational fluid dynamics (CFD), the choice between Fortran and C largely depends on the specific industry. Many legacy codes in academia and government, such as those used by the Air Force and NASA, are written in Fortran, making it a valuable language to learn. Conversely, private industry often favors C++, which is also relevant for CFD applications. Starting with Fortran can provide a strong foundation, as transitioning to other languages becomes easier afterward. Ultimately, learning Fortran is recommended for those entering the field.
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Can someone pls advise me as to which would be the better software to learn which would help in CFD - Fortran or C or something else?

Thanks!
 
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They are both similar, it really depends on the industry IMHO. Everything that I've worked on (Air Force's Research Lab's FDL3Di, NASA's BASS Code) is coded in FORTRAN. However, I've talked to people working in private industry that do a lot in C++.

Since so much legacy code is written in FORTRAN, I would recommend starting there. Once you have the understanding on one major programming language, adapting to another should be relatively easy.
 
Hi,

Thanks again for your help. I will begin my coding with Fortran.

Regards,
Sashankh
 

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