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April 2, 2010, 17:58 |
Lorentz force in MHD module
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#1 |
New Member
amirbahador
Join Date: Feb 2010
Posts: 8
Rep Power: 16 |
Hi freinds
On modelling the electric arc with MHD module in Fluent , Lorentz force is not loaded and momentum Eq. isn't solved as a result............Does everyone Knows about the problem ? Best ragards |
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March 2, 2011, 09:25 |
Ansys CFD MHD module instalation
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#2 |
New Member
Join Date: Nov 2010
Posts: 6
Rep Power: 16 |
Hi,
I'm also trying to simulate the electric arc with ansys. I have the v12.1 and v13 linceses but the programme tells me that I need the MHD module. Do you know how to install it? Thanks a lot! |
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June 23, 2011, 12:20 |
Lorentz force in MHD with B=0
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#3 |
New Member
osis
Join Date: Jun 2011
Posts: 8
Rep Power: 15 |
hi friends,
I want to have a Lorentz force in the form of F=Eq as a source term in my momentum equations without considering any discrete phase model, the MHD module consider this force just when you have DPM and in other cases consider F=J*B which is not good for me , beacause in my case the magnetic field is zero and i just want to investigate the effect of electric field . what should I do ? should i start to write another UDF from begining ??? thanks |
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August 22, 2011, 04:46 |
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#4 |
New Member
Join Date: Aug 2011
Posts: 4
Rep Power: 15 |
I also noticed that B fiels is zero even when the solution is converged. I have applied the external B field to the fluid region. Also initialized the MHD model. Why B is still zero?
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October 14, 2012, 14:10 |
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#5 |
New Member
Heera Lal
Join Date: Sep 2012
Posts: 6
Rep Power: 14 |
u first need to initialize the general fluid problem ..then initialize the mhd module then apply the field at the last .....
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October 15, 2012, 13:45 |
MHD program
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#6 |
Member
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hello my dear!
I have a magnetic field in my flow and I read a lot of MHD tutorials but I am not able that in which format I should write this in c/c++ ....please if you have a similar c program help me. regards |
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October 15, 2012, 15:53 |
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#7 |
New Member
Heera Lal
Join Date: Sep 2012
Posts: 6
Rep Power: 14 |
I am not sure for which thing u want to write the c program . If u have variable magnetic field then i think u can use import mode of field application in mhd module of fluent.
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October 17, 2012, 07:41 |
modeling AC magnetic field and constant current
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#8 |
New Member
ali m
Join Date: Oct 2012
Posts: 8
Rep Power: 14 |
hello ,
i want to simulate lorentz force that applied to mercury under AC magnetic field and a constant electric current with FLUENT, please help me ASAP thanks |
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October 24, 2012, 03:36 |
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#9 |
New Member
Join Date: Aug 2012
Posts: 2
Rep Power: 0 |
For modeling MHD , you need to use UDF files + MHD option in Ansys Fluent , ofc it's much more easier in Ansys 12 - 14
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October 27, 2012, 14:57 |
Mhd
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#10 |
Member
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I'm going to add a electric field which has a function like E=(q/2*pi*e)(1/x) to fluent.I'm going to use c program for it.
Do you have similar program or how should I build this function? do you have udf.h library source link? many thanks |
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October 27, 2012, 14:59 |
mhd
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#11 | |
Member
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Quote:
Do you have similar program or how should I build this function? do you have udf.h library source link? many thanks |
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December 1, 2014, 12:02 |
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#12 | |
New Member
Lei Gao
Join Date: Nov 2014
Posts: 2
Rep Power: 0 |
Quote:
MHD is a hidden application inside the Fluent. If you already have the Fluent, you can call it from TUI order. To know more, you can search MHD tutorial. |
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May 31, 2015, 08:37 |
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#13 | |
New Member
Marya A
Join Date: Mar 2015
Posts: 6
Rep Power: 11 |
Quote:
May I ask you to send me MHD tutorials? I am searching for some MHD tutorials but I cant find any |
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March 26, 2019, 04:34 |
need help-electrical arc
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#14 |
New Member
kada
Join Date: Feb 2019
Posts: 6
Rep Power: 7 |
hello, i need your help please,
i'm a new student, and i want to simulate electrical arc between tow contacts with fluent, can you send or explain the step of this simulations please. I did not find any detail in youtube salutations |
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