From c6169325324816e601dbd9417cf193e0ef23dd7f Mon Sep 17 00:00:00 2001 From: Luca Heltai Date: Sat, 12 May 2018 01:34:10 +0200 Subject: [PATCH] Added sentence about step-60 --- 9.0/paper.tex | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/9.0/paper.tex b/9.0/paper.tex index 500adca..dbe0ba8 100644 --- a/9.0/paper.tex +++ b/9.0/paper.tex @@ -587,8 +587,18 @@ outstanding performance of \dealii{}'s matrix-free module, solving the Poisson equation with 191 million degrees of freedom at degree $k=8$ on a workstation with 12 cores in about a minute. -\marginpar{LH and others: Please add summaries of the new tutorial program.} -The \texttt{step-60} tutorial program shows \ldots +The tutorial program \texttt{step-60} shows how to perform computations on +non-matching grids, and it presents advanced manipulation of +\texttt{ParameterHandler} objects, exploiting the new \texttt{ParameterAccessor} +and \texttt{ParameterAccessorProxy} classes. \texttt{step-60} solves a Poisson +problem on a domain $\Omega$, subject to equality constraints defined on an +embedded domain $\Gamma$. The embedded domain can be of co-dimension one or +co-dimension zero, and its definition is independent with respect to $\Omega$. +In order to enforce correctly the constraints, a non-matching coupling matrix +needs to be constructed. This is achieved using the new +\texttt{NonMatching::create\_coupling\_sparsity\_pattern} and +\texttt{NonMatching::create\_coupling\_mass\_matrix}, that exploit some new +functionality in the \texttt{GridTools} namespace. \dealii has a separate ``code gallery'' that consists of programs shared by users as examples of what can be -- 2.39.5