Issue while working with RGP table. Getting an error showing table out of bounds -- CFD Online Discussion Forums

May 25, 2023, 19:16

Issue while working with RGP table. Getting an error showing table out of bounds

Bhanu Swaroop

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Bhanu Swaroop Madiraju

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Hi,

I am trying a design centrifugal compressor that runs with carbon dioxide as fluid. For this I have created an RGP file from NIST database following the instructions given in Fluent beta features manual( It was mentioned in the manual it works for CFx too). The issue is I know that the range of table is large enough but I am still getting "out of bounds error solving the issue by clipping, please try to increase the range of the table". The table is created for 220k-600k temperature and 2MPa to 20MPa pressure. My compressor was designed for pressure ratio of 2 with an initial pressure of 6.5 MPa at room temperature.

So is there anyway to solve this or is there any other method for constructing an RGP table?

Attached Files

subcritical.txt (31.8 KB, 7 views)

Last edited by Bhanu Swaroop; May 26, 2023 at 05:11. Reason: attaching files

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