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How to get the current density using TUI in Fluent PEMFC module?

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Old   October 30, 2015, 12:06
Exclamation problem in reporting current flux density using TUI in Fluent PEMFC module
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Prince Abraham
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I'm new to fluent. I have modeled a single cell PEMFC & specified its boundary conditions, operating parameters etc., and Iíve run the calculation and the solutions are converged.

Now I am struggling to get the current flux density (for plotting iv curve). When I try to report the current density, it thrown out the following error.
/report/surface-integrals> integral
()
surface id(1) [()] terminal_c
surface id(2) [()]

Error: GENERAL-CAR-CDR: invalid argument [1]: improper list
Error Object: #f


Then i got the zone id by the following command
/define/models/resolved-MEA-fuelcells/anode-setup> list
What zones to list? (all cell face boundary) ["all"]
Sort alphabetically by zone name? Else sorted by zone id. [yes]


and tried another attempt by entering the"Zone ID" as "Surface ID" and again got an error message shown below
/report/surface-integrals> integral
()
surface id(1) [()] 88
Invalid surface.

Zone ID is different from surface ID? or the same (the zone terminal itself a surface)?

Last edited by Prince Abraham; November 1, 2015 at 07:44.
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Old   November 2, 2015, 11:57
Default sorry guys..
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Prince Abraham
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Im sorry. I forgotten to create "named selection" while meshing !
Thats y i couldn't find that surface(terminal) while getting reports.

Now its working well..
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