property UDF compiles but runs with error -- CFD Online Discussion Forums

April 23, 2018, 10:18

property UDF compiles but runs with error

Sam_1913

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Sathish

Join Date: Apr 2018

Location: germany

Posts: 5

Rep Power: 8

hi guys,

i used a couple of UDFs to define viscosity, thermal conductivity, heat capacity and density of water as function of temperature...compilation wasnt a problem with visual studio express 15 (Fluent 17.2) yet after running the simulation, getting the error '' temperature limited to 1 on 12000 cells on zone 7 in domain 1'' for example...

when these functions are implemented directly in Fluent material database as piecewise polynomial, no such messages appear in TUI..

these are relatively simply polynomial fucntion UDFs...can anyone please point out what should i change regarding the setup

...thanks in advance

Attached Files

Cp_35.c (2.0 KB, 4 views)

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property udf, temperature limited

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