Using ICEM CFD in place of Ansys cfx

Prasenjit Sanyal · October 23, 2018, 11:34

Till now I am using ansys cfx to analyse the wind domain. Meshing type is tetrahedral. But for every reviewers is saying that tetrahedral is backdated so use another meshing type. My laptop in i3 with 8 gb ram. Is it possible to do analysis with ICEM CFD?? Where will I get some tutorial for ICEM CFD. Thanks in advance.

Gert-Jan · October 23, 2018, 13:47

ICEM CFD is just another mesher. You cannot use it as CFD-solver.

Moreover, ANSYS CFX is a node solver, already since 2000 (approximately) when it started as CFX-5. This is comparable to cell centered solvers like Fluent or Star-CCM+ when applied on a polymesh (not a tet-mesh). So, it is not backdated at all.

Prasenjit Sanyal · October 25, 2018, 09:20

Thanks sir for your valuable reply . Is it possible to do fine meshing in ICEM cfd in i3 laptop??

Gert-Jan · October 25, 2018, 12:30

impossible to say. I3 is not very fast. So, if you can wait for it, then the memory of your laptop sets the limits.

ghorrocks · October 25, 2018, 17:38

In my experience ICEM is the most memory efficient meshing software around. If there is any software which will handle a large mesh on limited hardware it will be ICEM.

Che.Shuguang · October 26, 2018, 04:16

Tetrahedron is not without benefits. At least for some engineering problems, the benefits of tetrahedron are convenient, and the error of calculation results is not as large as imagined. I suggest that you first deal with this problem by automatically generating tetrahedrons.

October 23, 2018, 11:34	Using ICEM CFD in place of Ansys cfx	#1
Prasenjit Sanyal New Member Prasenjit Sanyal Join Date: May 2016 Posts: 25 Rep Power: 10	Till now I am using ansys cfx to analyse the wind domain. Meshing type is tetrahedral. But for every reviewers is saying that tetrahedral is backdated so use another meshing type. My laptop in i3 with 8 gb ram. Is it possible to do analysis with ICEM CFD?? Where will I get some tutorial for ICEM CFD. Thanks in advance.

October 23, 2018, 13:47		#2
Gert-Jan Senior Member Gert-Jan Join Date: Oct 2012 Location: Europe Posts: 1,913 Rep Power: 28	ICEM CFD is just another mesher. You cannot use it as CFD-solver. Moreover, ANSYS CFX is a node solver, already since 2000 (approximately) when it started as CFX-5. This is comparable to cell centered solvers like Fluent or Star-CCM+ when applied on a polymesh (not a tet-mesh). So, it is not backdated at all. Prasenjit Sanyal and elia_l like this. Last edited by Gert-Jan; October 23, 2018 at 18:44.

October 25, 2018, 17:38		#5
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,854 Rep Power: 144	In my experience ICEM is the most memory efficient meshing software around. If there is any software which will handle a large mesh on limited hardware it will be ICEM. __________________ Note: I do not answer CFD questions by PM. CFD questions should be posted on the forum.

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October 25, 2018, 09:20		#3
Prasenjit Sanyal New Member Prasenjit Sanyal Join Date: May 2016 Posts: 25 Rep Power: 10	Thanks sir for your valuable reply . Is it possible to do fine meshing in ICEM cfd in i3 laptop??

October 25, 2018, 12:30		#4
Gert-Jan Senior Member Gert-Jan Join Date: Oct 2012 Location: Europe Posts: 1,913 Rep Power: 28	impossible to say. I3 is not very fast. So, if you can wait for it, then the memory of your laptop sets the limits.

October 26, 2018, 04:16		#6
Che.Shuguang New Member che.shugang Join Date: Oct 2018 Posts: 2 Rep Power: 0	Tetrahedron is not without benefits. At least for some engineering problems, the benefits of tetrahedron are convenient, and the error of calculation results is not as large as imagined. I suggest that you first deal with this problem by automatically generating tetrahedrons.