Local Electromagnetic Force Computation in the Presence of Numerical Field Errors
Several approaches exist for the evaluation of force distributions in electromagnetic devices. The local virtual work based stresses derived from the application of continuum design sensitivity analysis to the variation of system energy are equivalent to the traditional Maxwell stress tensor formula...
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| Veröffentlicht in: | IEEE transactions on magnetics 2009-03, Vol.45 (3), p.1344-1347 |
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| container_title | IEEE transactions on magnetics |
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| creator | Min Li Lowther, D.A. |
| description | Several approaches exist for the evaluation of force distributions in electromagnetic devices. The local virtual work based stresses derived from the application of continuum design sensitivity analysis to the variation of system energy are equivalent to the traditional Maxwell stress tensor formulation in total force calculation. While both methods rely on local field values, they produce different force distributions for the same field. The paper reviews these results and examines the discrepancy due to the numerical errors in the field solution and the difference in the permeability of the material across the interface. |
| doi_str_mv | 10.1109/TMAG.2009.2012621 |
| format | Article |
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The paper reviews these results and examines the discrepancy due to the numerical errors in the field solution and the difference in the permeability of the material across the interface.</description><subject>Accuracy</subject><subject>Application software</subject><subject>Computational efficiency</subject><subject>Computer errors</subject><subject>Continuums</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>design</subject><subject>Design engineering</subject><subject>Distributed computing</subject><subject>Electromagnetic devices</subject><subject>Electromagnetic forces</subject><subject>Equivalence</subject><subject>Errors</subject><subject>Exact sciences and technology</subject><subject>Force distribution</subject><subject>force evaluation</subject><subject>Magnetic fields</subject><subject>Magnetism</subject><subject>Materials science</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>numerical computation</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>Power engineering and energy</subject><subject>Sensitivity analysis</subject><subject>Tensile stress</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kUFP3DAQhS0EUhfaH1BxiZAKp1BP7Dj2Ea12AWlLQaJnyzhjMErixU4O_Hsc7YpDD1w8suZ7T3rzCPkJ9BKAqt-Pf66uLytKVX6gEhUckAUoDiWlQh2SBaUgS8UF_0aOU3rNX14DXZCHTbCmK1Yd2jGG3jwPOHpbrEO0WCxDv51GM_owFH4oxhcs7iMmHPIuuOJu6jH6Wb722LXFKsYQ03dy5EyX8Md-npB_69Xj8qbc_L2-XV5tSssZG0vHwDAOrROteHJK8pZZWTfK8gqEk1YZxxhwfGot1sI4qkylrGMtNnVbS8dOyMXOdxvD24Rp1L1PFrvODBimpKXIppxSlsnzL0nG63ydmmfw7D_wNUxxyCm0rIWqODSQIdhBNoaUIjq9jb438V0D1XMXeu5Cz13ofRdZ82tvbFK-l4tmsD59CnPinJzO3OmO84j4ueaNbBhI9gHao5F-</recordid><startdate>20090301</startdate><enddate>20090301</enddate><creator>Min Li</creator><creator>Lowther, D.A.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Accuracy Application software Computational efficiency Computer errors Continuums Cross-disciplinary physics: materials science rheology design Design engineering Distributed computing Electromagnetic devices Electromagnetic forces Equivalence Errors Exact sciences and technology Force distribution force evaluation Magnetic fields Magnetism Materials science Mathematical analysis Mathematical models numerical computation Other topics in materials science Physics Power engineering and energy Sensitivity analysis Tensile stress |
| title | Local Electromagnetic Force Computation in the Presence of Numerical Field Errors |
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