From 5f8d497c36486f9c9222685c25cae6acb82884f0 Mon Sep 17 00:00:00 2001 From: Denis Demidov Date: Thu, 26 Nov 2020 10:03:56 +0300 Subject: [PATCH] Mention pressure mask option in the Stokes tutorial --- docs/Stokes.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/Stokes.rst b/docs/Stokes.rst index ede0935b..a6a89f16 100644 --- a/docs/Stokes.rst +++ b/docs/Stokes.rst @@ -102,7 +102,9 @@ aggregation with ILU(0) smoothing on each level for the flow subsystem subsystem (``psolver``) works best. We also disable lumping of the diagonal of the :math:`A` matrix in the Schur complement approximation with the ``precond.simplec_dia=false`` option, and enable block-valued backend for the -flow susbsystem with the ``--ub 3`` option:: +flow susbsystem with the ``--ub 3`` option. The ``-m '>456192'`` option sets +the pressure mask pattern. It tells the solver that all unknowns starting with +the 456192-th belong to the pressure subsystem:: $ schur_pressure_correction -B -A ucube_4_A.bin -f ucube_4_b.bin -m '>456192' \ -p solver.type=cg solver.maxiter=200 \