{"id":55448,"date":"2017-11-07T14:45:12","date_gmt":"2017-11-07T14:45:12","guid":{"rendered":"\/forum\/forums\/reply\/55448\/"},"modified":"2017-11-07T14:45:12","modified_gmt":"2017-11-07T14:45:12","slug":"55448","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/55448\/","title":{"rendered":"Reply To: Importing the working torque into UDF"},"content":{"rendered":"

I have once again adjusted my UDF. But still I can’t find a way to retrieve the value of the working torque. Can someone give me a hint about this? Thank you very much<\/p>\n

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************************************************************************************<\/p>\n

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#include “udf.h”<\/p>\n

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DEFINE_TRANSIENT_PROFILE(testudf,CURRENT_TIME)<\/p>\n

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{<\/p>\n

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real omega_ts=0.0; \/*starting omega*\/<\/p>\n

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real omega_tf=600.0; \/*final omega*\/<\/p>\n

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real Jt=0.000554; \/*Moment Inertia of the Turbin*\/<\/p>\n

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real delta_t=0.0001; \/*delta t simulation*\/<\/p>\n

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real CURRENT_TIMESTEP;<\/p>\n

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real CURRENT_TIME;<\/p>\n

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real alpha_t; \/*angular acceleration*\/<\/p>\n

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Thread *t;<\/p>\n

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cell_t c;<\/p>\n

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t=Lookup_Thread(d,9); \/*Zone ID = 9*\/<\/p>\n

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 <\/p>\n

<\/p>\n

begin_c_loop (c,t)<\/p>\n

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{<\/p>\n

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alpha_t= Mt\/Jt; \/*M = J*alpha, but how can I retrieve the value of Mt?*\/<\/p>\n

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omega_ts+=alpha_t*CURRENT_TIMESTEP;<\/p>\n

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 <\/p>\n

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if (omega_ts > omega_tf)<\/p>\n

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{omega_ts = omega_tf;}<\/p>\n

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 <\/p>\n

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THREAD_VAR(t).fluid.omega=omega_ts; \/*I’m also not sure about this syntax or macro*\/<\/p>\n

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}<\/p>\n

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end_c_loop (c,t)<\/p>\n

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 <\/p>\n

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}<\/p>\n","protected":false},"template":"","class_list":["post-55448","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t