Hi Samuel,
Thank you for your reply.
I have different frequencies, 50 in total. If I use FIELD POINT DATA and then
for arrayname 1 and so on, I use the Freq1, Freq2... then for 6Dofs, I use
vectors in x,y,z for translation and Phi-x,Phi-y, Phi-z for rotation.... would
it make sense in paraview? I can hopefully then wrap by vectors using the data
for each frequency.
Thank you! I hope I was clear.
________________________________
From: ParaView <paraview-boun...@paraview.org> on behalf of Samuel Key
<samuel...@bresnan.net>
Sent: November 18, 2017 7:00:51 PM
To: paraview@paraview.org
Subject: Re: [Paraview] Degrees of freedom
Doina--
At the risk of underestimating ParaView's functionalities, I can tell you what
will work. For displaying geometry, PV only needs Point (aka nodal point)
x,y,z-coordinates, a Cell (aka Finite Element, ...) type and for each Cell an
n-tuple of Point "array locations", for example, EnSight-format::{1,2,4,3,7,8,}
or VTK-format::{0,1,3,2,6,7}.
The VTK format uses C-language 'array offsets' for Cell connectivity n-tuples.
The EnSight format uses FORTRAN-language array locations for Finite Element
connectivity n-tuples. It is just the way it is.
Variables are either located at Points or in Cells (conceptually Cell centers).
The arrays supplied for variables must span all of the Points or all of the
Cells. (I do not know how to use or about the acceptability of "partially"
specified variable datum sets.) For Points with 6-DOFs versus 3-DOFs, if you
want to see the three rotational DOFs, use POINT DATA arrays and fill in the
Phi-x, Phi-y, Phi-z values using zeros for at those Points without a rotation.
If you want to visually display a 2-node, 6-DOF beam's geometry (a curved beam
or a deformed beam) , one solution is too use a VTK Cell type
'VTK_QUADRATIC_EDGE = 21' for the beam. This will require you to
add-on-the-fly to the simulation results a beam center-Point with
x,y,z-coordinates and displacements for the beam's center Point using the
beam's interpolation functions. (PV has a Warp Filter that will let you then
scale up the deflections for visualization purposes.)
Should you have access to source code for the simulations, I can supply FORTRAN
language routines that write VTK ASCII-formatted simulation results. (My
personal preference is the EnSight format.)
--Sam
On 11/18/2017 6:12 AM, Doina Gumeniuc (224252 MAHS) wrote:
Hi all!
I am still learning the use of paraview and I have got to such a question: How
to show in a vtk input file the degrees of freedom of elements? Some of the
beams have 6 degrees of freedom, some of the other elements...less or nothing
at all. IS there any possibility?
Thank you a lot in advance!
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