Programming guide for custom data types

fmilicchio · June 21, 2018, 06:49

Dear all,

I have played with OpenFOAM and customized my very basic first solver (icoFoam) as suggested by the tutorials I have found online. Now my basic knowledge isn't enough to move forward. I've searched online but no tutorial/source code is available (*) that answers this question:

How can I implement custom matrix/vector classes?

For instance, I'd like to use CUDA to perform some computations, and a tutorial on how to achieve this would be quite useful. Of course, I'd like my classes to be used by OpenFOAM's algorithms, but I don't know if it's technically feasible (being also performant is another step).

Thanks for any pointers!

(*) PS. I am aware of RapidCFD, but it seems a fork of OpenFOAM, too much probably to begin with.

zhangyan · June 21, 2018, 08:25

https://sourceforge.net/p/foam-exten...c/cudaSolvers/

fmilicchio · July 3, 2018, 09:09

Thanks, zhangyan.

I have successfully compiled foam-extend-4.0, and CUDA solvers in src/.

It seems, though, I cannot find any tutorial on how to use the included CUDA solvers.

Any hints about this?

Thanks!
Franco

zhangyan · July 3, 2018, 23:35

Sorry, I haven't used it.

June 21, 2018, 06:49	Programming guide for custom data types	#1
fmilicchio New Member Join Date: May 2018 Posts: 6 Rep Power: 8	Dear all, I have played with OpenFOAM and customized my very basic first solver (icoFoam) as suggested by the tutorials I have found online. Now my basic knowledge isn't enough to move forward. I've searched online but no tutorial/source code is available *()** that answers this question: How can I implement custom matrix/vector classes? For instance, I'd like to use CUDA to perform some computations, and a tutorial on how to achieve this would be quite useful. Of course, I'd like my classes to be used by OpenFOAM's algorithms, but I don't know if it's technically feasible (being also performant is another step). Thanks for any pointers! *()** PS. I am aware of RapidCFD, but it seems a fork of OpenFOAM, too much probably to begin with.

June 21, 2018, 08:25		#2
zhangyan Senior Member Yan Zhang Join Date: May 2014 Posts: 120 Rep Power: 12	https://sourceforge.net/p/foam-exten...c/cudaSolvers/ __________________ https://openfoam.top

July 3, 2018, 23:35		#4
zhangyan Senior Member Yan Zhang Join Date: May 2014 Posts: 120 Rep Power: 12	Sorry, I haven't used it. __________________ https://openfoam.top

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July 3, 2018, 09:09		#3
fmilicchio New Member Join Date: May 2018 Posts: 6 Rep Power: 8	Thanks, zhangyan. I have successfully compiled foam-extend-4.0, and CUDA solvers in src/. It seems, though, I cannot find any tutorial on how to use the included CUDA solvers. Any hints about this? Thanks! Franco