Unformatted text preview: ted via specification of virtual displacements (MVDI). A third method of obtaining
the force on a body is through the use of the Maxwell stress tensor. Forces in this manner are obtained from a
surface integral (line integral in 2-D analysis) defined using the path calculation capabilities in POST1 and macro
FOR2-D. Flux lines are displayed via the macro PLF2-D.
The applied source current density is calculated as I/at = 2A/(12 x 2) x 10-6 m2 = 1 x 106 A/m2.
To ensure that a surface integral for force calculations will yield acceptable results, a fine mesh is used for area
6 in the region of the surface integral path. Results Comparison
Target ANSYS Ratio F, N/m (Lorentz) -9.684 x 10-3 -9.717 x 10-3 1.003 F, N/m (Maxwell) -9.684 x 10-3 -9.677 x 10-3 0.999 F, N/m (Virtual Work) -9.684 x 10-3 -9.717 x 10-3 1.003 Figure 188.2 Magnetic Flux Lines Near Conductor Path of the integral is highlighted. 1–426 ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. VM189: Hollow Sphere in a Uniform...
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This note was uploaded on 12/09/2010 for the course DEPARTMENT E301 taught by Professor Kulasinghe during the Spring '09 term at University of Peradeniya.
- Spring '09
- The Land