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<p class="MsoNormal"><span style="font-size:11.0pt">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">We have been using PETSc’s block version of the AIJ matrix format to implement fully coupled multiphysics problems using finite elements. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Are there specific advantages to moving toward DMPlex for finite element-based coupled multi-physics implementation? Can you still access Hypre? Does the format support running on GPUs?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thank you.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Karthik.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none;mso-fareast-language:EN-GB">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#2D2D62;mso-ligatures:none;mso-fareast-language:EN-GB">Karthik Chockalingam, Ph.D.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black;mso-ligatures:none;mso-fareast-language:EN-GB">Senior Research Software Engineer</span><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black;mso-ligatures:none;mso-fareast-language:EN-GB">High Performance Systems Engineering Group</span><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black;mso-ligatures:none;mso-fareast-language:EN-GB">Hartree Centre | Science and Technology Facilities Council</span><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><a href="mailto:karthikeyan.chockalingam@stfc.ac.uk"><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#0563C1;mso-ligatures:none;mso-fareast-language:EN-GB">karthikeyan.chockalingam@stfc.ac.uk</span></a><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#212121;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#414141;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#212121;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#414141;mso-ligatures:none;mso-fareast-language:EN-GB"> </span></b><span style="font-family:"Times New Roman",serif;color:#1F497D;mso-ligatures:none;mso-fareast-language:EN-GB"><img border="0" width="254" height="116" style="width:2.6458in;height:1.2083in" id="Picture_x0020_1" src="cid:image001.png@01DB132D.E1905430" alt="signature_3970890138"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#212121;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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