[MBDyn-users] Issues with wind turbine examples

MBDyn users list mbdyn-users at mbdyn.org
Wed Mar 30 17:14:50 CEST 2022


Dear Reinhard,

Many thanks for this, I will give it a try!

Regards,

Richard

On 17/03/2022 16:46, MBDyn users list wrote:
>
> Dear Richard Crozier,
>
> I have attached a modified version of the model 
> "NREL_05abm_prebended_c81" which should work now. In that model I also 
> enabled the latest enhancements of the solver.
>
> Best regards,
>
> Reinhard Resch
>
> On 17.03.22 13:16, MBDyn users list wrote:
>>
>> Dear List,
>>
>> I'm trying to run some of the wind turbine examples provided on the 
>> mbdyn website, but getting mixed success. I'm using the examples from 
>> this page:
>>
>> https://www.mbdyn.org/?Documentation___Official_Documentation___Examples&search=examples
>>
>> *CART
>> *
>>
>> This is the example of the CART
>>
>> This example is missing the file naca0012.c81 and won't run without 
>> it. This file is present in other examples on this page:
>>
>> https://www.mbdyn.org/userfiles/documents/research/windturbine/index.html
>>
>> so I was able to add it.
>>
>> Then if I run without changing, I get the following error:
>>
>> template drive caller 4300 is undefined at line 282, file 
>> </home/rcrozier/src/mbdyn_wind/cart0/cart0.mbd>
>> MBDynParser::~MBDynParser: manipulators' stack not empty
>> An error occurred during the execution of MBDyn; aborting...
>>
>> It is needed to add the keyword 'single' to line 282 for the Template 
>> drive caller.
>>
>> After this it runs.
>>
>> *NREL 5MW*
>>
>> This has similar issues to the CART example
>>
>> for example on line 58 of the following files the 'single' keyword 
>> must be added
>>
>> MBDyn_model_NREL61.5/NREL_05abm_prebended_c81/blade1/blade1.jnt
>>
>> MBDyn_model_NREL61.5/NREL_05abm_prebended_c81/blade2/blade2.jnt
>>
>> MBDyn_model_NREL61.5/NREL_05abm_prebended_c81/blade3/blade3.jnt
>>
>> The 'rotor' keyword is also needed on line 267 of
>>
>> MBDyn_model_NREL61.5/NREL_05abm_prebended_c81/hub/hub.elm
>>
>> However, even with these issues resolved, I still get an error from 
>> MBdyn when I try to run the main input file which is
>>
>> MBDyn_model_NREL61.5/NREL_05abm_prebended_c81/NREL_rotor/NREL_rotor.mdl
>>
>> I just get the following error:
>>
>> An error occurred during the execution of MBDyn; aborting...
>>
>> with no further information, even with verbosity set to 3 (-PPP).
>>
>> I'm using recently compiled mbdyn from the master branch on Gitlab on 
>> Linux.
>>
>> Can anyone suggest what the problem might be with the NREL example?
>>
>>
>> Best regards,
>>
>> Richard Crozier
>>
>>
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