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I would like to calculate volume of each phase in a multi-phase flow CFD simulation. I would like to create monitors for the same to see the variation with respect to time. How that can be done?
You could achieve this through the ELEMENT_OUTPUT command where you would get integrated 'field' outputs for the selected volume(s). From the acuTrans portion of the Programs Reference Manual - and a search on element_integral_output_vars - you'll see in the description for field: Integrated field values. For multi_field = levelset and multi_field = algebraic_eulerian, the field values correspond to volume fractions, and are named as volume_fraction-“fieldname”. With the 'volume' also available as one of those variables, you can then determine the volume for each field.
https://2022.help.altair.com/2022.3/hwcfdsolvers/acusolve/topics/acusolve/post_processing_programs_acutrans.htm
From HyperWorks CFD, you would access this via the Solution ribbon > Volumes icon in the Monitors section.
Hello
I was able to view integrated element output of the field after creating volume monitor. I have attached the snapshot for reference. I suppose the monitor shows actual volume as a quantity since the monitor is basically integral of volume fraction of phase over volume.
As of now, i do not know much about commands but i was able to follow what you have suggested. I suppose we are doing exactly the same thing when converting the solution. For example, I have attached the snapshot which exports field output. I have also highlighted the command that is printed in the output window. I suppose we have to use this command in acuSolve terminal in case we want to export data using command.
Thank you again for your help.
Regards,
Subodh
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