<div dir="ltr">Hi Burlen,<div><br></div><div>Your example was really helpful to understand many thing about the xml format and I want to thank you about that, but I still have some questions.</div><div><br></div><div>1. What the numbers 0 4 8 12 (line 24) represent?</div>
<div>2. What the QuadratureWeights are all zero (line 37)?</div><div>3. In your example there are 4 cells with 4 Gauss points in each cell. In total 16 Gauss points. If I want to assign to each Gauss point one value of stress or strain how I have to write those 16 values in xml format. Can you please sent me an example with this information?</div>
<div><br></div><div>Thank you very much </div><div><br></div><div>Marios</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Nov 30, 2013 at 4:28 PM, Burlen Loring <span dir="ltr"><<a href="mailto:bloring@lbl.gov" target="_blank">bloring@lbl.gov</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>Hi Mario,<br>
<br>
sending again to the list. the weights have 2 dimensions i (node
id) and j (Gauss point id), so to generate ShapeFunctionWeights
for a new QuadratureSchemeDefinition what you do is evaluate each
shape function at each Gauss point. For the linear quadrilateral
you'll end up with 16 weights. For example see the example<br>
<br>
<a href="http://www.hpcvis.com/vis/images/vtk-quadrature-points-example/vtk-quadrature-points-example.pdf" target="_blank">http://www.hpcvis.com/vis/images/vtk-quadrature-points-example/vtk-quadrature-points-example.pdf</a><br>
<a href="http://www.hpcvis.com/vis/images/vtk-quadrature-points-example/quadrature-points-example.vtu" target="_blank">http://www.hpcvis.com/vis/images/vtk-quadrature-points-example/quadrature-points-example.vtu</a><span class="HOEnZb"><font color="#888888"><br>
<br>
Burlen</font></span><div><div class="h5"><br>
<br>
On 11/29/2013 3:34 PM, Marios Mavros wrote:<br>
</div></div></div><div><div class="h5">
<blockquote type="cite">
<div dir="ltr">Hi Burlen,
<div><br>
</div>
<div>I want to thank you for the information that you send me. I
read the paper and I try to made a simple example in xml
format for a 4 node quadrilateral element but it didn't work
for me. Attached you will find the element formulation that I
used with the shape functions and a .vtu file with my example.
If I want to give 4 stress values in the 4 Gauss points ( lets
say 0.1 0.2 0.4 -0.1) can you please write in the .vtu file
the missing information in order to understand haw I have to
write a correct file in xml format.</div>
<div><br>
</div>
<div>Thank you very much</div>
<div><br>
</div>
<div>Marios Mavros</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Wed, Nov 27, 2013 at 2:56 PM, Burlen
Loring <span dir="ltr"><<a href="mailto:bloring@lbl.gov" target="_blank">bloring@lbl.gov</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF"> You'll need to use an
XML file format. There's some documentation in the
following link. It's slightly dated but should get you
started. <a href="http://www.vtk.org/Wiki/images/7/78/VTK-Quadrature-Point-Design-Doc.pdf" target="_blank">http://www.vtk.org/Wiki/images/7/78/VTK-Quadrature-Point-Design-Doc.pdf</a><br>
The ctest,
VTK/Filters/General/Testing/Cxx/TestQuadraturePoints.cxx,
could be used as an example.
<div>
<div><br>
<br>
<div>On 11/27/2013 02:32 PM, Marios Mavros wrote:<br>
</div>
</div>
</div>
<blockquote type="cite">
<div>
<div>
<div dir="ltr">Hi
<div><br>
</div>
<div>I have wrote a simple program in Fortran that
transform the output of a finite element
software in vtk Legacy Format. I don't know how
to handle the Gauss points values. For example
in my case my cells have 4 Gauss points and I
have 4 values (for example strain in
x-direction) for each cell. How I have to write
the vtk file taking into account that each cell
has many Gauss points?</div>
<div><br>
</div>
<div>Thank you</div>
<div><br>
</div>
<div>Marios </div>
</div>
<br>
<fieldset></fieldset>
<br>
</div>
</div>
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