*how to build a circle(not square) inlet using mfix software

Max Beer · March 7, 2017, 19:20

Hi all
Recently, i am using open source MFIX to do some DEM simulations. My model is to simulate a Blast Furnace with lateral gas injection. And my geometry is a cuboid with a square inlet on its left wall. However i don't know how to change the square inlet to a circle inlet to compare my results with experiments? Did anyone know how to deal with that? thanks for any help and suggestions.
Kind regards

mprinkey · March 7, 2017, 19:39

You will need to use the cut-cell Cartesian mesh feature in MFIX to represent that geometry.

Max Beer · March 8, 2017, 20:18

In MFIX, I notcie that Caetesian cut-cell. But i still have no idea how to use it. So anyone could give me some suggestions to use it
square001.jpg

mprinkey · March 8, 2017, 20:28

There is an extensive Cartesian Cut-Cell User's Guide on mfix.netl.doe.gov.

To get the circular inlet, you will have to make a cylinder for the inlet and use the constructive solid geometry feature to add it to the cuboid furnace region.

March 8, 2017, 20:18	So is there any simple way to change the square inlet to a circle shape	#3
Max Beer New Member Boheng Zhu Join Date: Nov 2016 Posts: 4 Rep Power: 9	In MFIX, I notcie that Caetesian cut-cell. But i still have no idea how to use it. So anyone could give me some suggestions to use it square001.jpg

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March 7, 2017, 19:20	*how to build a circle(not square) inlet using mfix software	#1
Max Beer New Member Boheng Zhu Join Date: Nov 2016 Posts: 4 Rep Power: 9	Hi all Recently, i am using open source MFIX to do some DEM simulations. My model is to simulate a Blast Furnace with lateral gas injection. And my geometry is a cuboid with a square inlet on its left wall. However i don't know how to change the square inlet to a circle inlet to compare my results with experiments? Did anyone know how to deal with that? thanks for any help and suggestions. Kind regards

March 7, 2017, 19:39		#2
mprinkey Senior Member Michael Prinkey Join Date: Mar 2009 Location: Pittsburgh PA Posts: 363 Rep Power: 25	You will need to use the cut-cell Cartesian mesh feature in MFIX to represent that geometry.

March 8, 2017, 20:28		#4
mprinkey Senior Member Michael Prinkey Join Date: Mar 2009 Location: Pittsburgh PA Posts: 363 Rep Power: 25	There is an extensive Cartesian Cut-Cell User's Guide on mfix.netl.doe.gov. To get the circular inlet, you will have to make a cylinder for the inlet and use the constructive solid geometry feature to add it to the cuboid furnace region.