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<div style="margin-top: 0px; margin-bottom: 0px;">Dear PETSc-user</div>
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<div style="margin-top: 0px; margin-bottom: 0px;">I am Seungjin Seo, researcher of Korean Advanced Institute of Science and Technology, South Korea.</div>
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<div style="margin-top: 0px; margin-bottom: 0px;"><font face="Arial,sans-serif" size="2"><span lang="en-US" style="font-size: 11pt;">I am trying to solve thermal and fluid equations within a porous structure.
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<div style="margin-top: 0px; margin-bottom: 0px;"><font face="Arial,sans-serif" size="2"><span lang="en-US" style="font-size: 11pt;">The thermal equation includes a non-linear term of pressure and the fluid equation has a boundary condition using temperature
gradient.</span></font></div>
<div style="margin-top: 0px; margin-bottom: 0px;"><font face="Arial,sans-serif" size="2"><span lang="en-US" style="font-size: 11pt;">Is there any way I can solve these two equations at the same time, instead of solving temperature first with previous pressure
distribution and then pressure and update temperature?</span></font></div>
<div style="margin-top: 0px; margin-bottom: 0px;"><font face="Arial,sans-serif" size="2"><span lang="en-US" style="font-size: 11pt;">Many examples solve only one PDF instead of coupling several physics.</span></font></div>
<div style="margin-top: 0px; margin-bottom: 0px;"><font face="Arial,sans-serif" size="2"><span lang="en-US" style="font-size: 11pt;">Please recommend me which solver is appropriate for my case?</span></font></div>
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<div style="margin-top: 0px; margin-bottom: 0px;"><font face="Arial,sans-serif" size="2"><span lang="en-US" style="font-size: 11pt;">Best regards,</span></font></div>
<div style="margin-top: 0px; margin-bottom: 0px;"><font face="Arial,sans-serif" size="2"><span lang="en-US" style="font-size: 11pt;">Seungjin Seo</span></font></div>
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