Windtunnel/Boundary Conditions: Difference between revisions

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== Reflective cells ==
== Reflective cells ==


Setting the vector v→g in a ghost cell as v→g=−v→, with v→ being the value in the adjacent real cell, yields 0→ as interpolation right at the boundary. This works for plane walls. What to do in cases where a ghost cell has more than one real cell as nearest neighbor?
Setting the vector v→g in a ghost cell as v→g=−v→, with v→ being the value in the adjacent real cell, yields 0→ as interpolation right at the boundary. This works for plane walls. What to do in cases where a ghost cell has more than one real cell as nearest neighbor? This calls for [[Talk:Windtunnel/Boundary_Conditions|discussion]]!

Revision as of 14:44, 25 April 2024

Open Questions

Reflective cells

Setting the vector v→g in a ghost cell as v→g=−v→, with v→ being the value in the adjacent real cell, yields 0→ as interpolation right at the boundary. This works for plane walls. What to do in cases where a ghost cell has more than one real cell as nearest neighbor? This calls for discussion!

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