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Post processing in HPC .jou files

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Old   March 29, 2020, 11:47
Default Post processing in HPC .jou files
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Afternoon all,

I am currently doing a thesis on transient DES flow around wingsuits. Due to the large file sizes I am using HPC .jou files to post process and cannot for the life of me get them to work. The code from the .jou file is below (please ignore the ; on any command line as I have just put them in to make sure my sim was running) I am also having issues with the HPC returning a "No graphical option available" despite me adding -g -i -x to my Bash file.


;sorting out post-processing
/surface/plane-point-n-normal mid-body-plane 0. 0.71 0. 0 1 0
/display/set/contours/auto-range? yes
/display/set/contours/filled-contours? y
/display/set/contours/surfaces mid-body-plane ()
;fixing views
;/views/restore-view top
;/views/camera/zoom-camera 5
;/views/camera/target -1 0 -1
;/views/camera/roll-camera 90
;/views/camera/zoom-camera 2
;/views/save-view full-body-view
;/views/camera/zoom-camera 3
;/views/camera/target 0 0 1
;/views/save-view close-up-view

;the time-step size as 0.001 (seconds)
/solve/set/time-step 0.001
/file/auto-save/root-name "/scratch/zt2g17/IP/transient/i_10_output/15_degrees/output-data"
/file/auto-save/append-file-name flow-time 4
/file/auto-save/case-frequency if-mesh-is-modified
/file/auto-save/data-frequency 10
/file/auto-save/retain-most-recent-files no
/solve/report-files/edit drag file-name ".\report-file-drag-transient.out" quit
/solve/report-files/edit lift file-name ".\report-file-lift-transient.out" quit
/solve/report-files/edit lift frequency 1 frequency-of time-step quit
/solve/report-files/edit drag frequency 1 frequency-of time-step quit

;/solve/execute-commands/add-edit command-2 1 "time-step" "/views/restore-view full-body-view"
;/solve/execute-commands/add-edit command-3 1 "time-step" "/display/contour velocity-magnitude 0. 100"
;/solve/execute-commands/add-edit command-4 1 "time-step" "/display/save-picture "/home/zt2g17/IP/transient/wingsuit_1_9/Images of Velocity-magnitude/5 degrees/full-body/velocity-mag-full-body%t.png""
;/solve/execute-commands/add-edit command-5 1 "time-step" "/views/restore-view close-up-view"
;/solve/execute-commands/add-edit command-6 1 "time-step" "/display/contour velocity-magnitude 0. 100"
;/solve/execute-commands/add-edit command-7 1 "time-step" "/home/zt2g17/IP/transient/wingsuit_1_9/Images of Velocity-magnitude/5 degrees/close-up/velocity-mag-close-up%t.png""


Cheers,

Zach
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Old   March 29, 2020, 19:16
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You should check the configuration of your HPC. Most HPC's don't run any graphics. You can add -gu, but if it has no graphics, then it still can't do anything. Do you have any other errors? The journal file doesn't contain error messages so, all we can do is guess what your issue is.

So with this journal file with everything commented out, what works and what doesn't?

Last edited by LuckyTran; March 30, 2020 at 15:50.
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Old   March 30, 2020, 11:17
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-g option ensures that neither GUI nor graphics is loaded. What you need, if you want to use commands under the display, is graphics. So, use option -gu instead. This ensure that GUI is not opened but graphics is made available to Fluent so that Fluent can do work like printing of images, which needs graphics driver. And there is no option -x. After -i, it should always be the name of the journal file.
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