<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div>Dear all,<br></div><div><br></div><div>I have a non-linear magnetodynamics problem that involves a fixed point iteration. Would someone have an example to share or some recommendation how to implement the algorithm?<br></div><div><br></div><div>The problem is the following (A formulation, sig: electrical conductivity, Je: applied current):<br></div><div><br></div><div>Curl[nu*Curl(A)]+sig*dA/dt = Je<br></div><div><br></div><div>with,<br></div><div><br></div><div>sig = f(-dA/dt+Je/sig])<br></div><div><br></div><div><br>Best,</div><div><br></div><div><br></div><div>Frederic<br></div></div></body></html>