TAGGED: dat-files, fluent, importdata, importing-solution, initialization
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September 23, 2024 at 1:28 pm
colombe.richard
SubscriberHi everyone,
I'm using ANSYS 2022 R2, and I know it's possible to import a data file in Fluentin from a previous calculation as an initial solution for a simulation. However, I would like to know if it's possible to manually create my own data files to import as an initial solution instead. Can anyone confirm if this is possible? If so, what format or structure should the data file follow, and are there any specific guidelines for writing such a file?
Thank you for your help!
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September 23, 2024 at 1:46 pm
Rob
Forum ModeratorYou can, and I'd use an interpolation file for this. As the files can be written out in the non-binary (human readable) format I'd start with a simple model.Â
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September 24, 2024 at 2:40 pm
colombe.richard
SubscriberThank you so much for your answer ! I tried creating interpolation files and understanding how they work, it does seem like this is what I need. But i have and issue when reading an interpolation file :Â
"
Reading IP data ...
x-coord
y-coord
pressure
epsilon
k
x-velocity
y-velocity
Done.
Initializing values...
Done.
"
The whole point is to import data and start the calculation from them however it seems Fluent wants to initialize ... If someone had a solution for me it would be awesome !
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September 24, 2024 at 3:00 pm
Rob
Forum ModeratorInitialise first and then read the file, this also protects against missing data fields in your input (eg there's no energy data). Also check if the solver really is initialising (eg hybrid or standard method) or if it's just using the initalising term when it's interpolating the data onto the mesh.Â
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