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Alternative representation of a cross section: CrossSectionAreasVT #78

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mrosemeier
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I am proposing a "layer" between the current CrossSectionStructureVT (which is in its actual implementation more a CrossSectionLayupVT) and CrossSectionMeshVT: The CrossSectionAreasVT, which holds an internal representation of shellexpander such as the cross section discretization by Areas. These Areas contain KeyPoints, materials, fiber plane and fiber direction angles.

A possible workflow to create a 2D cross sectional BECAS mesh would then look like this:

  • CrossSectionStructureVT - holds layup (regions, webs, materials airfoil)
  • CrossSectionAreasVT - holds areas, keypoints, matprops, fiber plane and fiber direction angles (after expansion of the shell) [input for a mesher]
  • CrossSectionMeshVT - holds nodes, elements, emats, matprops, elsets [input for BECAS]

The CrossSectionAreasVT gives us the freedom to define geometries and more detailed layups of blade sub-components such as trailing edges or web connections as alternative to CrossSectionStructureVT. If this step is integrated into the workflow described above, I think airfoil2becas and shellexpander would need to be split into sub-modules.

@fzahle
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fzahle commented Aug 12, 2015

Hi Malo. This looks great. We will take a look at it as soon as possible.

-Frederik

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