<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #330066"><div>Hi,<br></div><div><br data-mce-bogus="1"></div><div>Currently I am trying to formulate and solve a magnetostatic problem using the scalar potential method.<br data-mce-bogus="1"></div><div>This problem is sketched on the attached picture. I have some difficulties finding how to formulate the boundary </div><div>conditions when simulating only 1/8 of the problem.<br data-mce-bogus="1"></div><div><br></div><div>For the Z = 0 plane it's fine w/ Neumann BC,i.e.t nothing in the formulation.</div><div> For the Y = 0 plane, I use Dirichlet BC with null scalar potential.</div><div>My problem is how to express the anti-symmetry : upward field / magnetization in permanent magnets on X>0<br data-mce-bogus="1"></div><div>and downward direction in the X<0 half space. </div><div>I have tried to require null scalar potential on plane X=0, but the answer does not look correct. </div><div>Without any condition on this X=0 plane, I also get incorrect results.<br data-mce-bogus="1"></div><div>Could it be only null scalar potential on the Z-axis ? Then I am a bit confused.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Thanks for any help,<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div data-marker="__SIG_PRE__"><div><div> <span style="color: #003366;"> Gilles <br></span></div><br></div><div><table style="width: 792px; table-layout: fixed; height: 145px;" cellpadding="0" border="0"><tbody><tr><td style="width: 200px; text-align: left;"></td><td><span style="color: #000080; font-size: 10pt;"></span><span style="color: #000080; font-size: 10pt;"></span></td></tr></tbody></table></div></div></div></body></html>