[Getdp] Temperature unchanged
stefan.braun at smartcae.de
stefan.braun at smartcae.de
Mon Feb 4 01:21:18 CET 2013
Hi Matti,
i try out your example. But if i look at the temperature out of tThe.pos
the temperature is unchanced.
Could you please give me a hint what i have to change.
Thank you very much,
Best regards,
Stefan Braun
SmartCAE, Munich
On Monday, February 4, 2013 12:35:59 AM UTC+1, stefan... at smartcae.de wrote:
>
> Hi Matti,
> thank you very much for your help. Now i come a big step further.
> I hope this is one of my last questions. Where i have to change the number
> of elements in radial direction.
> Thank you very much,
> Best regards,
> Stefan Braun
>
> SmartCAE, Munich
>
>
>
>
> On Sunday, February 3, 2013 3:02:47 PM UTC+1, Matti Pellikka wrote:
>>
>> Hi, I've updated indheat.pro at
>> http://onelab.info/wiki/Magnetodynamics_with_cohomology_conditions
>> with coupled thermal analysis.
>> It first solves the time harmonic eddy currents in the workpiece and
>> then uses the heat generated by them as heat source for a transient
>> heat conduction problem. As boundary conditions, there are both
>> convection and radiation heat transfer terms present. To solve it, run
>> the command
>>
>> getdp indheat.pro -solve TheDyn -pos TheDyn
>>
>> --
>> Matti Pellikka, Researcher
>> Tampere University of Technology, Electromagnetics
>>
>> On 3 February 2013 13:56, Matti Pellikka <matti.p... at tut.fi> wrote:
>> > Hi Stefan,
>> >
>> > On 3 February 2013 01:41, <stefan... at smartcae.de> wrote:
>> >> Hi Matti,
>> >> i have two additionally questions to the example.
>> >> If i change the frequence from 50 to 5000 Hz i see no real skin
>> effect.
>> >> Could it be possible that the mesh is not fine enough?
>> >
>> > Yes, you should have a couple of finite element layers per skin depth.
>> > In this case, about ten times more elements in the radial direction
>> > ...
>> >
>> >> My second questions is, how is it possible to integrate the
>> temperature and
>> >> the nonlinear mu curve.
>> >> If found an example in the group
>> >>
>> >> http://www.geuz.org/pipermail/getdp/2000/000111.html
>> >> http://geuz.org/pipermail/getdp/2000/000125.html
>> >>
>> >> but the attachment of the working file in 000125.html is missing.
>> >>
>> >
>> > For nonlinear mu curve you can study the example at
>> > https://geuz.org/trac/getdp/wiki/MagnetoStaticsNonLinear (username:
>> > getdp, password: getdp). With nonlinearity however, the eddy current
>> > problem is no longer strictly time harmonic. Transient analysis should
>> > be used instead.
>> >
>> > https://geuz.org/trac/getdp/wiki/ChainedResolutions is a simple
>> > example how to couple two problems, for example thermal and magnetic.
>> >
>> >>
>> >> Thank you very much for your help.
>> >> Best regards,
>> >> Stefan Braun
>> >>
>> >>
>> >>
>> >
>> > --
>> >
>> > Matti Pellikka, Researcher
>> > Tampere University of Technology, Electromagnetics
>> >
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> On Tuesday, January 29, 2013 11:53:49 PM UTC+1, stefan... at smartcae.dewrote:
>> >>>
>> >>> Hi Matti,
>> >>> thank you for your help. Now it works.
>> >>> Best regards,
>> >>> Stefan Braun
>> >>>
>> >>> SmartCAE, Munich
>> >>>
>> >>> On Tuesday, January 29, 2013 5:03:18 PM UTC+1, Matti Pellikka wrote:
>> >>>>
>> >>>> Hi,
>> >>>>
>> >>>> I was able to reproduce the issue with the latest nightly build on
>> 64
>> >>>> bit Windows 7. I'm investigating the issue, but as a temporary fix,
>> >>>> running the mesher from Windows Command Prompt seems to work.
>> >>>>
>> >>>> Open the Windows Command Prompt and go to the directory where both
>> >>>> gmsh.exe and indheat.geo are. Run the command:
>> >>>>
>> >>>> gmsh indheat.geo -3
>> >>>>
>> >>>> This creates the mesh file indheat.msh, which you can examine
>> normally
>> >>>> using the graphical interface of Gmsh. To solve the induction
>> heating
>> >>>> problem, have getdp.exe, indheat.pro and indheat.msh in the same
>> >>>> directory and in that directory run in the Command Prompt the
>> command
>> >>>>
>> >>>> getdp indheat.pro -solve MagDynTOComplex -pos MagDynTO
>> >>>>
>> >>>> You can examine the resulting .pos files using the graphical
>> interface of
>> >>>> Gmsh.
>> >>>>
>> >>>> Best regards,
>> >>>>
>> >>>> --
>> >>>> Matti Pellikka, Researcher
>> >>>> Tampere University of Technology, Electromagnetics
>> >>>>
>> >>>>
>> >>>> On 29 January 2013 13:12, <stefan... at smartcae.de> wrote:
>> >>>> > Hello Matti,
>> >>>> > thank you very much for your help.
>> >>>> > I tried the new build 2.6.2 gmesh and the bulid of getdp 2.2.2 and
>> i
>> >>>> > come
>> >>>> > little bit further.
>> >>>> > I have no error messages and the mesher starts.
>> >>>> > When the mesher reaches reducing cell complex the mesher crashes.
>> >>>> > Do you have any idea how to solve this problem,
>> >>>> > Thank you very much,
>> >>>> >
>> >>>> > Best regards,
>> >>>> > Stefan Braun
>> >>>> >
>> >>>> > SmartCAE, Munich
>> >>>> >
>> >>>> > On Monday, January 28, 2013 10:02:52 AM UTC+1, Matti Pellikka
>> wrote:
>> >>>> >>
>> >>>> >> Hi Stefan,
>> >>>> >>
>> >>>> >> The cohomology computation commands on those lines didn't make it
>> to
>> >>>> >> the current release version 2.6.1 of Gmsh. However, those
>> commands
>> >>>> >> should be available in tomorrow's nightly builds of the
>> development
>> >>>> >> version.
>> >>>> >>
>> >>>> >> Alternatively, you can compile the current development version by
>> >>>> >> yourself, check that the build option ENABLE_KBIPACK is ON to
>> enable
>> >>>> >> the cohomology computation.
>> >>>> >>
>> >>>> >> I suspect that you also need the latest development version of
>> GetDP
>> >>>> >> to compute the example.
>> >>>> >>
>> >>>> >> --
>> >>>> >> Matti Pellikka, Researcher
>> >>>> >> Tampere University of Technology, Electromagnetics
>> >>>> >>
>> >>>> >> On 27 January 2013 00:57, <stefan... at smartcae.de> wrote:
>> >>>> >> > Hello Group Members,
>> >>>> >> > i want to try out a example of onelab.info about induction
>> heating.
>> >>>> >> >
>> >>>> >> > If i import the *.geo file in gmsh i get the following error
>> >>>> >> > messages.
>> >>>> >> >
>> >>>> >> >
>> >>>> >> >
>> http://onelab.info/files/getdp/Magnetodynamics/GMSH_GETDP/indheat.geo
>> >>>> >> >
>> >>>> >> >
>> >>>> >> > Info : Reading 'C:\...\indheat.geo'...
>> >>>> >> > Info : Starting subloop 1 in Line Loop 543 (are you sure
>> about
>> >>>> >> > this?)
>> >>>> >> > Error : 'C:\...\indheat.geo', line 176 : syntax error (()
>> >>>> >> > Error : 'C:\...\indheat.geo', line 177 : syntax error (()
>> >>>> >> > Error : 'C:\...\indheat.geo', line 186 : syntax error (()
>> >>>> >> > Error : 'C:\...\ndheat.geo', line 187 : syntax error (()
>> >>>> >> >
>> >>>> >> >
>> >>>> >> >
>> >>>> >> > Thank you very much help on this problem.
>> >>>> >> > Best regards,
>> >>>> >> > Stefan Braun
>> >>>> >> >
>> >>>> >> > SmartCAE, Munich
>> >>>> >> >
>> >>>> >> > _______________________________________________
>> >>>> >> > getdp mailing list
>> >>>> >> > ge... at geuz.org
>> >>>> >> > http://www.geuz.org/mailman/listinfo/getdp
>> >>>> >> >
>> >>>> >>
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