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</o:shapelayout></xml><![endif]--></head><body lang=FR-BE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You were right! With linear material for the cores, I get the same result as with the formulation I used with GetDP :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><img width=956 height=740 id="Picture_x0020_1" src="cid:image001.png@01CEC43F.77963700"><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Joseph<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>--<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Joseph Frippiat<br>Senior Developer - UPS Division<br><br><b>KST S.A.</b> - Site of Battice<br>Cour Lemaire, 16<br>B-4651 BATTICE<br>BELGIUM<br>Tel : +.32.4.247.01.67<br>Fax : +.32.87.31.42.21<br>E-mail : <a href="mailto:frippiat.j@kst.be">frippiat.j@kst.be</a><br>Web : www.kst-ups.com<br><br></span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Head office : Cour Lemaire, 16 - 4651 Battice (Belgium)<br>RPM Liège (Belgium) : 0423.472.603</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> François Henrotte [mailto:francois.henrotte@uclouvain.be] <br><b>Sent:</b> mardi 8 octobre 2013 14:30<br><b>To:</b> Joseph Frippiat<br><b>Cc:</b> getdp@geuz.org<br><b>Subject:</b> Re: [Getdp] unable to cross the air-gap<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Le 8 oct. 2013 à 14:11, Joseph Frippiat a écrit :<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hello,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>in the simple 2D magnetostatic model attached to this e-mail, the magnetic induction “refuses” to cross the air-gap.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>It seem normal to me,<o:p></o:p></p></div><div><p class=MsoNormal>due to the magnetic short circuiting of the permanent magnet.<o:p></o:p></p></div><div><p class=MsoNormal>Try with murCore = 1 (instead of 200) and the field lines<o:p></o:p></p></div><div><p class=MsoNormal>will gently cross the air gap.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Regards,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>François<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Could someone tell me why it is so and explain me what I need to change.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>(to solve the model I use this command : ‘getdp machine2 -solve MagSta_a -pos a’)</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Thanks in advance for any answer.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Joseph</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>--<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Joseph Frippiat<br>Senior Developer - UPS Division<br><br><b>KST S.A.</b><span class=apple-converted-space> </span>- Site of Battice<br>Cour Lemaire, 16<br>B-4651 BATTICE<br>BELGIUM<br>Tel : +.32.4.247.01.67<br>Fax : +.32.87.31.42.21<br>E-mail :<span class=apple-converted-space> </span><a href="mailto:frippiat.j@kst.be">frippiat.j@kst.be</a><br>Web :<span class=apple-converted-space> </span><a href="http://www.kst-ups.com">www.kst-ups.com</a><br><br></span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Head office : Cour Lemaire, 16 - 4651 Battice (Belgium)<br>RPM Liège (Belgium) : 0423.472.603</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><machine2.geo><machine2_data.geo><Magnetostatics.pro><machine2.pro>_______________________________________________<br>getdp mailing list<br><a href="mailto:getdp@geuz.org">getdp@geuz.org</a><br><a href="http://www.geuz.org/mailman/listinfo/getdp">http://www.geuz.org/mailman/listinfo/getdp</a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>--<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>François Henrotte Dr Ir<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>UCL - Bâtiment Euler - Av. G. Lemaître 4-6 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>B-1348 Louvain-la-Neuve<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>Tél: +32(0)10 47 23 64 Fax: id. 23 50<o:p></o:p></span></p></div></div></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>