01 m b 02 m t 002 m 10 degrees loading j 1 x 106

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Unformatted text preview: led-field Analysis (ANTYPE = 0) Element Type(s): Coupled Thermal-Electric Line Elements (LINK68) Input Listing: vm170.dat Test Case A current, I, is carried in a square loop of side a. The space about the current is air. Determine the magnetic flux density at point P, at a height b above the current loop. Figure 170.1 Square Current Loop Problem Sketch Material Properties µo = 4 π x 10-7 H/m ρ = 4.0 x 10-8 ohm-m Geometric Properties a = 1.5 m b = 0.35 m Loading I = 7.5 A Analysis Assumptions and Modeling Notes The problem requires a coupled electromagnetic field solution. LINK68 is used to create the current field in the wire loop. The current field established by the LINK68 elements is used to calculate the magnetic field at point P. Nodes 1 and 5 overlap to create a closed current loop. The voltage at node 5 is set to zero while the current is applied to node 1. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–378 VM170 The first solution calculates the current distribution in the loop. The BIOT command is then issued to calculate the magnetic field from the current distribution. The cross-se...
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