[Nek5000-users] Boundary condition "I"

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Tue May 4 05:29:58 CDT 2010


We typically use the I BC as a dummy tag for insulated (zero flux).

Stefan


On May 4, 2010, at 12:25 PM, nek5000-users at lists.mcs.anl.gov wrote:

> These things are not related to BCs. The 'I' in HCODE means integral. In connect2  we check if one ob the boundary condition tags _ends_ with an 'i' (don't mess it up with 'I  ').
> 
> hth,
> Stefan
> 
> 
> On May 4, 2010, at 12:21 AM, nek5000-users at lists.mcs.anl.gov wrote:
> 
>> 
>> 
>> [root at frank nek]# grep -F "'I'" *
>> bdry.f:            IF ( HCODE(10,IH) .EQ. 'I' ) THEN
>> navier5.f:         IF (HCODE(10,II).NE.'I') GOTO 100
>> navier5.f:        if (hcode(10,ii).EQ.'I') then
>> navier5.f:        if (hcode(10,ii).EQ.'I') then
>> prepost.f:            IF(HCODE(10,IH).EQ.'I') then
>> prepost.f:         IF (HCODE(10,II).NE.'I') GOTO 100
>> prepost.f:         IF (HCODE(10,II).NE.'I') GOTO 100
>> prepost.f:      IF ( HCODE(10,II).NE.'I') GOTO 100
>> prepost.f:      IF ( HCODE(10,II).NE.'I') GOTO 200
>> prepost.f:         IF (HCODE(10,II).NE.'I') GOTO 100
>> [root at frank nek]# grep -F "'i'" *
>> connect2.f:c
>> IF(CBC3(3:3).NE.'i')NLINES=BC(1,ISIDE,IEL,IFIELD)
>> connect2.f:c
>> IF(CBC3(3:3).EQ.'i')NLINES=BC(4,ISIDE,IEL,IFIELD)
>> 
>> 
>> 
>> On Tue, 2010-05-04 at 12:17 +0200, nek5000-users at lists.mcs.anl.gov
>> wrote:
>>> Well, it does not show up the in routines which apply the boundary conditions. 
>>> Where does is it appear in the code?
>>> 
>>> Stefan
>>> 
>>> 
>>> On May 4, 2010, at 12:10 AM, nek5000-users at lists.mcs.anl.gov wrote:
>>> 
>>>> Hello Stefan,
>>>> 
>>>> It is not listed there.  It does appears in the code in more than a few
>>>> places, so it appears to not fall under the statement "Anything else
>>>> will be taken as zero flux".
>>>> 
>>>> Cheers,
>>>> Frank
>>>> 
>>>> 
>>>> On Tue, 2010-05-04 at 12:01 +0200, nek5000-users at lists.mcs.anl.gov
>>>> wrote:
>>>>> check here: https://nek5000.mcs.anl.gov/index.php/Boundary_Definition
>>>>> 
>>>>> Stefan
>>>>> 
>>>>> 
>>>>> 
>>>>> On May 3, 2010, at 11:47 PM, nek5000-users at lists.mcs.anl.gov wrote:
>>>>> 
>>>>>> Hello all,
>>>>>> 
>>>>>> Could anyone tell me what the boundary condition "I" means?
>>>>>> 
>>>>>> Cheers,
>>>>>> Frank
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> -- 
>>>>>> Frank Herbert Muldoon, Ph.D. Mechanical Engineering
>>>>>> Technische Universität Wien (Technical University of Vienna)
>>>>>> Inst. f. Strömungsmechanik und Wärmeübertragung (Institute of Fluid
>>>>>> Mechanics and Heat Transfer)
>>>>>> Resselgasse 3
>>>>>> 1040 Wien
>>>>>> Tel: +4315880132232
>>>>>> Fax: +4315880132299 
>>>>>> Cell:+436765203470
>>>>>> fmuldoo (skype)
>>>>>> http://tetra.fluid.tuwien.ac.at/fmuldoo/public_html/webpage/frank-muldoon.html
>>>>>> 
>>>>>> _______________________________________________
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>>>>> 
>>>>> _______________________________________________
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>>>> -- 
>>>> Frank Herbert Muldoon, Ph.D. Mechanical Engineering
>>>> Technische Universität Wien (Technical University of Vienna)
>>>> Inst. f. Strömungsmechanik und Wärmeübertragung (Institute of Fluid
>>>> Mechanics and Heat Transfer)
>>>> Resselgasse 3
>>>> 1040 Wien
>>>> Tel: +4315880132232
>>>> Fax: +4315880132299 
>>>> Cell:+436765203470
>>>> fmuldoo (skype)
>>>> http://tetra.fluid.tuwien.ac.at/fmuldoo/public_html/webpage/frank-muldoon.html
>>>> 
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>>> 
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>> -- 
>> Frank Herbert Muldoon, Ph.D. Mechanical Engineering
>> Technische Universität Wien (Technical University of Vienna)
>> Inst. f. Strömungsmechanik und Wärmeübertragung (Institute of Fluid
>> Mechanics and Heat Transfer)
>> Resselgasse 3
>> 1040 Wien
>> Tel: +4315880132232
>> Fax: +4315880132299 
>> Cell:+436765203470
>> fmuldoo (skype)
>> http://tetra.fluid.tuwien.ac.at/fmuldoo/public_html/webpage/frank-muldoon.html
>> 
>> _______________________________________________
>> Nek5000-users mailing list
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> 
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