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<p class="MsoNormal"><span lang="EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Please excuse the spam – but perhaps this could be useful for others as well:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I wrote before that I wanted to read a previous solution as a starting point for further calculations, and that after<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">successful load of previous solution using ReadSolution, initial guess was always set back to zero.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Just found out it was the gmres solver from petsc I used which caused the problem:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Just adding the switch –ksp_initial_guess_nonzero made everything work fine.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal">Thomas Jung<o:p></o:p></p>
<p class="MsoNormal">Fraunhofer IISB<o:p></o:p></p>
<p class="MsoNormal">91052 Erlangen<o:p></o:p></p>
<p class="MsoNormal">Germany<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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