<?xml version="1.0" encoding="UTF-8" ?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-10-14T07:19:55Z</responseDate><request identifier="10.35097/1557" metadataPrefix="oai_dc" verb="GetRecord">https://www.radar-service.eu/oai/OAIHandler</request><GetRecord><record><header><identifier>10.35097/1557</identifier><datestamp>2026-10-09T10:59:03Z</datestamp><setSpec>radar4kit</setSpec></header><metadata><oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/"
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   <dc:identifier>https://dx.doi.org/10.35097/1557</dc:identifier>
   <dc:creator>Leibold, Jan</dc:creator>
   <dc:title>Numerical experiments to "A unified error analysis for nonlinear wave-type equations with application to acoustic boundary conditions" (Version 2)</dc:title>
   <dc:publisher>Karlsruhe Institute of Technology</dc:publisher>
   <dc:date>2023</dc:date>
   <dc:subject>Mathematics</dc:subject>
   <dc:type>dataset</dc:type>
   <dc:subject>Dataset</dc:subject>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode</dc:rights>
   <dc:description>This code is used for the numerical experiment in Section 6 of the paper&#xD;
"A unified error analysis for nonlinear wave-type equations with application to acoustic boundary conditions"&#xD;
by Jan Leibold.&#xD;
&#xD;
The computations are done in C++ using the Finite Element library deal.II; the plots then are generated with Matlab.&#xD;
&#xD;
To use this code, deal.II (release 9.3.2) has to be installed, cf. https://www.dealii.org/9.3.0&#xD;
&#xD;
In order to compile the program, open a terminal session in this folder&#xD;
and call "cmake -DDEAL_II_DIR=/path/to/deal.II .".&#xD;
Next, call "make release" and then "make" to compile the files.&#xD;
Finally, run the program with "make run". This performs the computations and generates the file "results"&#xD;
containing the results of the numerical experiments.&#xD;
&#xD;
After that, the plots can be generated with the Matlab Script 'plot_figures.m'.</dc:description>
   <dc:subject>error analysis</dc:subject>
   <dc:subject>wave equation</dc:subject>
   <dc:subject>nonlinear evolution equations</dc:subject>
   <dc:subject>maximal monotone operators</dc:subject>
   <dc:subject>acoustic boundary conditions</dc:subject>
   <dc:subject>nonconforming space discretization</dc:subject>
   <dc:subject>a-priori error bounds</dc:subject>
   <dc:identifier>10.5445/IR/1000141855</dc:identifier>
   <dc:identifier>KITopen-DOI</dc:identifier>
   <dc:format>application/x-tar</dc:format>
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