[Nek5000-users] Changed mesh coordinates

[nek5000-users at lists.mcs.anl.gov]

Dear Neks,

Sorry for bringing this up again. Just want to know has anyone seen this before? Why are the coordinates for some points at 0.0e0 changed?

Thank you very much.

Kind regards,
Tony

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From: nek5000-users-bounces at lists.mcs.anl.gov <nek5000-users-bounces at lists.mcs.anl.gov> on behalf of nek5000-users-request at lists.mcs.anl.gov <nek5000-users-request at lists.mcs.anl.gov>
Sent: 01 February 2015 18:00
To: nek5000-users at lists.mcs.anl.gov
Subject: Nek5000-users Digest, Vol 72, Issue 1

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Today's Topics:

   1. Changed mesh coordinates (nek5000-users at lists.mcs.anl.gov)


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Message: 1
Date: Sun, 1 Feb 2015 05:05:07 +0000
From: nek5000-users at lists.mcs.anl.gov
To: "nek5000-users at lists.mcs.anl.gov"
        <nek5000-users at lists.mcs.anl.gov>
Subject: [Nek5000-users] Changed mesh coordinates
Message-ID:
        <mailman.14423.1422767115.3424.nek5000-users at lists.mcs.anl.gov>
Content-Type: text/plain; charset="iso-8859-1"

Dear Neks,


I'm doing some data processing for my simulations in nek5000. I found for some elements, however, the coordinates are not exactly as specified. For example, I have an element whose vertices are as follows.


     ELEMENT         195 [    1m]    GROUP    0
  0.000000E+00 -0.130526E+00 -0.129129E+00  0.000000E+00
  0.100000E+01  0.991445E+00  0.979179E+00  0.987876E+00
  0.000000E+00  0.000000E+00  0.000000E+00  0.000000E+00
  0.000000E+00 -0.130526E+00 -0.129129E+00  0.000000E+00
  0.100000E+01  0.991445E+00  0.979179E+00  0.987876E+00
  0.263158E+00  0.263158E+00  0.263158E+00  0.263158E+00


When I used the following code to print the coordinates for this element, I got the values below.


      do e=1,nelv
        eg = lglel(e)
        if(eg .eq. 195) then
          write(*,*) xm1(1,1,1,e),ym1(1,1,1,e),zm1(1,1,1,e)
          write(*,*) cbc(1:6,e,1)
        end if
      end do


  7.500381456730263E-017   1.00000000000000       0.000000000000000E+000
  0.000000000000000E+000
 W  E  E  E  P  E


Is there any reason why the x coordinate for the first element vertex is not exactly 0.0e0? Hope someone can help. Thank you very much.


Best regards,


Tony
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