Hi, I am trying to define a time-varying velocity profile at the inlet of an arterial geometry in the normal direction. I found the following old code snippet to be very relevant ( Simula.acdc.40 ). class InflowBoundaryValue(Expression): def init(self, problem=None, side=None): self.problem …

Define a time-varying parabolic profile normal to a boundary

dokken June 15, 2021, 4:17pm 2

Topic		Replies	Views
Impose Velocity Profile on Inlet Face using Array	7	1618	September 15, 2022
How to apply time varying boundary conditions coming from a function?	13	4504	December 1, 2020
Boundary expression interpolation	0	665	April 28, 2020
Function in boundary condition, defined on boundary only variational formulation	5	893	February 17, 2021
UserExpression update in next time step gone wrong variational formulation	1	638	January 16, 2021