Dear @Jason.Jonkman ,
I was running simulation in OpenFast v2.1 including structural control. I take the input file from:
https://openfast.readthedocs.io/en/main/source/user/servodyn-stc/StC_input.html
However, i am getting the following error and i did not understand it.
FAST_InitializeAll:SrvD_Init:TMD_Init:TMD_ReadInput:ReadPrimaryFile:Invalid numerical input for
file “C:\Users\1oRs5\Desktop\New folder\stc_input_file.dat” occurred while trying to read
TMD_DOF_MODE.
Could you please help me ?
BR
Riad
Dear @Riad.Elhamoud,
The documentation you link to is for a newer version of OpenFAST. The structural control (StC) submodel of ServoDyn (formerly called the TMD submodel) was greatly enhanced after OpenFAST v2.1.
You can find an example TMD input file for OpenFAST v2.1 here: r-test/NRELOffshrBsline5MW_ServoDyn_TMD.dat at v2.1.0 · OpenFAST/r-test · GitHub. But I recommend upgrading to the latest version of OpenFAST to take advantage of the full functionality of StC.
Best regards,
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Dear @Jason.Jonkman,
Thank you reply ! Personally, i prefer to work with OpenFast v3.1 or higher but, in my Ph.D. i have to work on the Windcrete, a spar type floater designed under the European project Corewind. That’s why i’m using OpenFast v2.1. In the beginning of the Ph.D., i tried to upgrade to OpenFast v3.1 but unfortunately, i did not succeed and i spent a lot of time ! 
Furthermore, I wanna ask for an error i have encountered:
It says that node 1 does not project onto any line 2 element.
Could you please explain what this means ?
BR
Riad
Dear @Riad.Elhamoud,
The error pertains to the motion mesh-mapping named ED_2_SrvD_TowerMotion–that is, between the tower in ElastoDyn and the StC in ServoDyn. My guess is that the vertical location of your StC as defined in the StC input file (StC_P_Z) is not placed between the tower base and tower top, so, the mapping can’t be generated.
Best regards,
1 Like
