Add a Flow Method node to solve the following equation for the vector u and the scalar p and use u as the vector field:
The vector field v is the same as u but normalized if normalization is selected. This approach is equivalent to computing the flow of an incompressible fluid — that is, creeping flow or Stokes flow. The Flow method is useful for geometries with nonconstant cross sections. To define the equation in the geometry, you can add the following boundary conditions:
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