Contributing to waLBerla will require a signed copy of the Chair for SystemSimulation Contributor Agreement (LSSCA). The LSSCA is an adapted version ofthe Sun/Oracle Contributor Agreement.Signing a contributor agreement is necessary for many reasons. For an overview,see http://oss-watch.ac.uk/resources/cla.You can download the LSSCA at http://walberla.net/lss_contributor_agreement.pdf.Please send a signed copy to us via fax (+49 9131 85-28928) or mail it toUniversität Erlangen-NürnbergLehrstuhl für Systemsimulation (Informatik 10)Cauerstraße 1191058 ErlangenGermanyAfter we have received your agreement, we will create a GitLab account onhttps://i10git.cs.fau.de/ for you. GitLab Merge Requests are the only acceptablefacility for code submission. Please do not use GitHub pull requests and do notsend patches by email.Thank you for contributing!