From 95f46e710666777ad29bc639a79628c9be807b2b Mon Sep 17 00:00:00 2001 From: Timo Heister Date: Mon, 1 Jun 2020 12:10:34 -0400 Subject: [PATCH] add draft for step-50 --- 9.2/paper.tex | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/9.2/paper.tex b/9.2/paper.tex index 3e3e683..0466ab2 100644 --- a/9.2/paper.tex +++ b/9.2/paper.tex @@ -943,8 +943,14 @@ In addition, there are a number of new tutorial programs: consequence, they have largely fallen out of favor and \dealii{} currently does not contain implementations of these shape functions. - \item \texttt{step-50} - \todo[inline]{Timo/Conrad/... to write} + \item \texttt{step-50} is a program that demonstrates the parallel geometric multigrid features + in \dealii{} as described in \cite{ClevengerHeisterKanschatKronbichler2019}. + The problem considered is a variable viscosity Laplace equation and it is solved + with three different approaches: + 1. With a matrix-based geometric multigrid based on Trilinos or PETSc. 2. With a matrix-free + geometric multigrid. 3. Using algebraic multigrid (Trilinos ML). + + \todo[inline]{Timo/Conrad/... to write} \item \texttt{step-58} is a program that solves the nonlinear Schr{\"o}dinger equation, which in non-dimensional form reads -- 2.39.5