Lines Matching refs:pressure

17 describe slow flow of an incompressible fluid with velocity $u$, pressure $p$, and body force $f$.
42 …pressure, $\mu$ is the dynamic shear viscosity, with units $N\cdot s/m^2$ or $Pa\cdot s$. If we di…
44 … choose to use a Ritz-Galerkin setup, so let our velocity $u \in V$ and pressure $p \in Q$, so that
59 For example, the kernel for the continuity equation, paired with the pressure test function, is cal…
73 Notice how the pressure $p$ is referred to using `u[uOff[1]]` so that we can have many fields with …
77 …ly. For our Stokes problem, we first choose a solution with quadratic velocity and linear pressure,
194 …pressure block explicitly. We use the `PCFIELDSPLIT` preconditioner and the full Schur complement …
208 and we see it converges, however it is superconverging in the pressure,
241 …ty variation is created across the unit square, imposed on a background pressure with given fundam…
275 which are the convergence rates we expect for the velocity and pressure using a $P_2-P_1$ discretiz…
295 In this case, since the viscosity does not depend on the velocity or pressure fields, we detect tha…
299 …in the Jacobian. For instance, let us accidentally flip the sign of the pressure term in the momen…
638 …assemble it. Thus we assemble the viscosity-weighted mass matrix on the pressure space as an appro…
962 Finally, we can back off the pressure solve. `ILU(0)` is good enough to maintain a constant number …