Herschel-Burkley UDF

ogulcanahi · November 25, 2020, 05:48

Hello,

I am currently working on a project where i need to deal with cement. For this purpose i am trying to define a new dynamic viscosity function which is Herschel-Burkley. So, i am currently do not know how to define Burkley as UDF to the program. IF anybody can help i will be very appreciate!

Thank you.

bluebase · November 25, 2020, 11:56

Hi Ogulcan,

please have a look into the rheology section of the manual. Be adventurous and put "Herschel-Bulkley" into the search field (mind your typo, Bulkley, without the r).

You'll likely discover, that StarCCM has a model included which covers your use-case. It's called Generalized Power Law which you can select in the dyn. viscosity tab for your fluid. You'll only need to adapt the model constants to match it the HB model.

Best,
Sebastian

ogulcanahi · November 26, 2020, 08:24

Dear Sebestian,

Thank you for your help i was seeking this answer for a very long time. It seems i did solve the issue. Keep healthy !

November 25, 2020, 05:48	Herschel-Burkley UDF	#1
ogulcanahi New Member Oğulcan Ahi Join Date: Nov 2020 Posts: 8 Rep Power: 5	Hello, I am currently working on a project where i need to deal with cement. For this purpose i am trying to define a new dynamic viscosity function which is Herschel-Burkley. So, i am currently do not know how to define Burkley as UDF to the program. IF anybody can help i will be very appreciate! Thank you.

November 25, 2020, 11:56		#2
bluebase Senior Member Sebastian Engel Join Date: Jun 2011 Location: Germany Posts: 567 Rep Power: 21	Hi Ogulcan, please have a look into the rheology section of the manual. Be adventurous and put "Herschel-Bulkley" into the search field (mind your typo, Bulkley, without the r). You'll likely discover, that StarCCM has a model included which covers your use-case. It's called Generalized Power Law which you can select in the dyn. viscosity tab for your fluid. You'll only need to adapt the model constants to match it the HB model. Best, Sebastian ogulcanahi likes this.

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November 26, 2020, 08:24		#3
ogulcanahi New Member Oğulcan Ahi Join Date: Nov 2020 Posts: 8 Rep Power: 5	Dear Sebestian, Thank you for your help i was seeking this answer for a very long time. It seems i did solve the issue. Keep healthy !