Anybody tried modelling your own propeller and running with pimpleDyMFoam?

zhi · October 18, 2018, 00:27

Hi, am trying to run my own propeller simulation. Currently i am using pimpleDyMFoam, not sure whether it is the right solver to be used. As i fail to use snappyhexmesh to mesh the propeller appropriately, started meshing in Ansys fluent and importing mesh to openfoam. However, im facing some issue with setting up the case and running the solver. Some help will be appreciated!

yambanshee · October 19, 2018, 05:38

Just as a slight warning; fluent can handle worse quality meshes than openfoam. Just make sure to run a 'checkMesh' and ensure at least skewness is under 4, and preferably orthogonality under 70deg.

As for your case setup; we're going to need more detail. What aspect of it are you struggling? boundary conditions? solution schemes? what reasoning do you have behind pimpleDyMFoam?

pete20r2 · October 19, 2018, 07:33

Which version of OF are you using? The mesh interfaces, mesh motion and schemes are handled a bit differently in different versions so it is important to know.

October 18, 2018, 00:27	Anybody tried modelling your own propeller and running with pimpleDyMFoam?	#1
zhi New Member zhi Join Date: Oct 2018 Posts: 6 Rep Power: 8	Hi, am trying to run my own propeller simulation. Currently i am using pimpleDyMFoam, not sure whether it is the right solver to be used. As i fail to use snappyhexmesh to mesh the propeller appropriately, started meshing in Ansys fluent and importing mesh to openfoam. However, im facing some issue with setting up the case and running the solver. Some help will be appreciated!

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October 19, 2018, 05:38		#2
yambanshee Senior Member Zander Meiring Join Date: Jul 2018 Posts: 125 Rep Power: 8	Just as a slight warning; fluent can handle worse quality meshes than openfoam. Just make sure to run a 'checkMesh' and ensure at least skewness is under 4, and preferably orthogonality under 70deg. As for your case setup; we're going to need more detail. What aspect of it are you struggling? boundary conditions? solution schemes? what reasoning do you have behind pimpleDyMFoam?

October 19, 2018, 07:33		#3
pete20r2 Senior Member Peter Baskovich Join Date: Jul 2014 Posts: 127 Rep Power: 12	Which version of OF are you using? The mesh interfaces, mesh motion and schemes are handled a bit differently in different versions so it is important to know.