Mutation++ Implementation for Hypersonic Flows [v8.1.0]

atha · July 8, 2025, 14:35

Hello,

I am relatively new to SU2, I am currently trying to get Mutation++ working with v8.1.0. When I try to run a test case using FLUID_MODEL=MUTATIONPP instead of SU2_NONEQ, I get this error:

Code:

Either 1) Mutation++ has not been configured/compiled (add '-Denable-mpp=true' to your meson string) or 2) CODI must be deactivated since it is not compatible with Mutation++.

I have run the meson scripts with "-Denable-autodiff=false" and "-Denable-mpp=true", and added "export MPP_DATA_DIRECTORY=$SU2_HOME/subprojects/Mutationpp/data" and "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SU2_HOME/<build_dir>/subprojects/Mutationpp" to my .bashrc file, so I believe Mutation++ should be configured correctly. How do I deactivate CODI? I cannot find much beyond this post with the same issue.

bigfootedrockmidget · July 8, 2025, 15:42

Code:

-Denable-autodiff=false

should be sufficient, you can check after meson that it is off.

atha · July 8, 2025, 16:10

I ran 'meson configure', from there I can see that enable-autodiff is set to false and enable-mpp is true. I have also compiled and installed SU2 with './ninja -C build installl'. However, I am still getting my original error. Is there a step I am missing?

bigfootedrockmidget · July 8, 2025, 17:07

check if you have multiple versions of the SU2_CFD executable and if so, check which one you are using (using

Code:

which SU2_CFD

to give you the full path). If the compilation worked, the executable should be ready to use.

July 8, 2025, 14:35	Mutation++ Implementation for Hypersonic Flows [v8.1.0]	#1
atha New Member Join Date: Jul 2025 Posts: 2 Rep Power: 0	Hello, I am relatively new to SU2, I am currently trying to get Mutation++ working with v8.1.0. When I try to run a test case using FLUID_MODEL=MUTATIONPP instead of SU2_NONEQ, I get this error: Code: Either 1) Mutation++ has not been configured/compiled (add '-Denable-mpp=true' to your meson string) or 2) CODI must be deactivated since it is not compatible with Mutation++. I have run the meson scripts with "-Denable-autodiff=false" and "-Denable-mpp=true", and added "export MPP_DATA_DIRECTORY=$SU2_HOME/subprojects/Mutationpp/data" and "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SU2_HOME/<build_dir>/subprojects/Mutationpp" to my .bashrc file, so I believe Mutation++ should be configured correctly. How do I deactivate CODI? I cannot find much beyond this post with the same issue.

July 8, 2025, 15:42		#2
bigfootedrockmidget Senior Member bigfoot Join Date: Dec 2011 Location: Netherlands Posts: 833 Rep Power: 23	Code: -Denable-autodiff=false should be sufficient, you can check after meson that it is off.

July 8, 2025, 17:07		#4
bigfootedrockmidget Senior Member bigfoot Join Date: Dec 2011 Location: Netherlands Posts: 833 Rep Power: 23	check if you have multiple versions of the SU2_CFD executable and if so, check which one you are using (using Code: which SU2_CFD to give you the full path). If the compilation worked, the executable should be ready to use.

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