Just to expand a little on Bart Janssens' comments --

The EnSight Gold binary results-file format has a "part"-construct. It allows the simulation results to be stored (and displayed in ParaView) as a collection of parts.

(1) Each part needs to be a complete, displayable graphics object; the part can reference the original nodal point set. As far as I know, all parts must have the same set of point and cell variables.

(2) The definition of a "part" is up to the simulation code developer. It can be any datum subset the developer wants to isolate and display, and it need not be anything recognizable by the original simulation code, for example, the wing surface. That is, it can be generated "on the fly" as the EnSight Gold results file is being written.

(3) Indeed, any collection of parts (one or more) may be accessed with the Extract Blocks filter.

I routinely subdivide my simulations into "parts" based on materials since I have objects that have anywhere from 2 to 30 different materials (and each constructed from a variety of finite elements). I routinely write a time=0.0 EnSight Gold mesh file with node-sets and side-sets (surface facet sets) to which BC's are applied for model checking. The node-sets and side-sets are individually displayable graphics objects with cells with data.

Regards,

Sam Key

On 9/25/2010 3:39 AM, Bart Janssens wrote:
On Friday, September 24, 2010 02:50:05 pm Aurélien Marsan wrote:
Hi,
If your mesh is structured, you can use the Extract Subset filter.

2010/9/24 Mubashir Ali<[email protected]>

Hi,

  I am new to paraview and i want to know how to extract wall boundary cells
  in paraview. I am simulating a 3D airfoil which specified as as wall
  boundary.

  I am using code saturne which is an open source and finite volume solver
  and the results i get are in Ensight gold format. I need to see only
  airfoil(wall) so that i can see pressure distribution
Also, since it's EnSight Gold, you should have a multi-block dataset, and
using the ExtractBlock filter may allow you to extract the boundaries by name,
depending on how your case is set up and how well it is exported to EnSight.

Cheers,

Bart

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