FEMM/examples/fullsized_guitar_ring.fem

175 lines
3.4 KiB
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[Format] = 4.0
[Frequency] = 0
[Precision] = 1e-008
[MinAngle] = 25
[Depth] = 5
[LengthUnits] = millimeters
[ProblemType] = planar
[Coordinates] = cartesian
[Comment] = "full 25.5-inch guitar scale inside a diametrically-magnetised NdFeB ring (inner radius 324 mm, outer 354 mm, mag along +x). six plain steel strings at the standard .009/.011/.016/.026/.036/.046 set, spanning roughly 647.7 mm from the N inner-face on the left to the S inner-face on the right. flux runs through every string in +x and closes through the ring body and surrounding air."
[PointProps] = 0
[BdryProps] = 1
<BeginBdry>
<BdryName> = "A=0"
<BdryType> = 0
<A_0> = 0
<A_1> = 0
<A_2> = 0
<Phi> = 0
<c0> = 0
<c0i> = 0
<c1> = 0
<c1i> = 0
<Mu_ssd> = 0
<Sigma_ssd> = 0
<EndBdry>
[BlockProps] = 3
<BeginBlock>
<BlockName> = "Air"
<Mu_x> = 1
<Mu_y> = 1
<H_c> = 0
<H_cAngle> = 0
<J_re> = 0
<J_im> = 0
<Sigma> = 0
<d_lam> = 0
<Phi_h> = 0
<Phi_hx> = 0
<Phi_hy> = 0
<LamType> = 0
<LamFill> = 1
<NStrands> = 0
<WireD> = 0
<BHPoints> = 0
<EndBlock>
<BeginBlock>
<BlockName> = "NdFeB"
<Mu_x> = 1.05
<Mu_y> = 1.05
<H_c> = 915000
<H_cAngle> = 0
<J_re> = 0
<J_im> = 0
<Sigma> = 0.667
<d_lam> = 0
<Phi_h> = 0
<Phi_hx> = 0
<Phi_hy> = 0
<LamType> = 0
<LamFill> = 1
<NStrands> = 0
<WireD> = 0
<BHPoints> = 0
<EndBlock>
<BeginBlock>
<BlockName> = "Steel"
<Mu_x> = 2500
<Mu_y> = 2500
<H_c> = 0
<H_cAngle> = 0
<J_re> = 0
<J_im> = 0
<Sigma> = 5.8
<d_lam> = 0
<Phi_h> = 0
<Phi_hx> = 0
<Phi_hy> = 0
<LamType> = 0
<LamFill> = 1
<NStrands> = 0
<WireD> = 0
<BHPoints> = 0
<EndBlock>
[CircuitProps] = 0
[NumPoints] = 32
-150 -450 0 0
800 -450 0 0
800 450 0 0
-150 450 0 0
-30 0 0 0
324 -354 0 0
678 0 0 0
324 354 0 0
0.038 -4.9198 0 0
0.049 -5.5802 0 0
0.361 -15.2928 0 0
0.406 -16.2072 0 0
1.019 -25.6658 0 0
1.114 -26.8342 0 0
646.886 -26.8342 0 0
646.981 -25.6658 0 0
647.594 -16.2072 0 0
647.639 -15.2928 0 0
647.951 -5.5802 0 0
647.962 -4.9198 0 0
647.961 5.0468 0 0
647.954 5.4532 0 0
647.624 15.6103 0 0
647.611 15.8897 0 0
646.945 26.1357 0 0
646.926 26.3643 0 0
1.074 26.3643 0 0
1.055 26.1357 0 0
0.389 15.8897 0 0
0.376 15.6103 0 0
0.046 5.4532 0 0
0.039 5.0468 0 0
[NumSegments] = 16
0 1 -1 1 0 0
1 2 -1 1 0 0
2 3 -1 1 0 0
3 0 -1 1 0 0
12 15 -1 0 0 0
13 14 -1 0 0 0
10 17 -1 0 0 0
11 16 -1 0 0 0
8 19 -1 0 0 0
9 18 -1 0 0 0
30 21 -1 0 0 0
31 20 -1 0 0 0
28 23 -1 0 0 0
29 22 -1 0 0 0
26 25 -1 0 0 0
27 24 -1 0 0 0
[NumArcSegments] = 28
4 5 90 10 0 0 0
5 6 90 10 0 0 0
6 7 90 10 0 0 0
7 4 90 10 0 0 0
8 9 0.117 10 0 0 0
9 10 1.719 10 0 0 0
10 11 0.162 10 0 0 0
11 12 1.677 10 0 0 0
12 13 0.208 10 0 0 0
13 14 170.494 10 0 0 0
14 15 0.208 10 0 0 0
15 16 1.677 10 0 0 0
16 17 0.162 10 0 0 0
17 18 1.719 10 0 0 0
18 19 0.117 10 0 0 0
19 20 1.762 10 0 0 0
20 21 0.072 10 0 0 0
21 22 1.798 10 0 0 0
22 23 0.050 10 0 0 0
23 24 1.816 10 0 0 0
24 25 0.040 10 0 0 0
25 26 170.664 10 0 0 0
26 27 0.040 10 0 0 0
27 28 1.816 10 0 0 0
28 29 0.050 10 0 0 0
29 30 1.798 10 0 0 0
30 31 0.072 10 0 0 0
31 8 1.762 10 0 0 0
[NumHoles] = 0
[NumBlockLabels] = 9
-100 0 1 -1 0 0 0 1 2
324 0 1 -1 0 0 0 1 0
324 339 2 10 0 0 0 1 0
324 -26.25 3 1 0 0 0 1 0
324 -15.75 3 1 0 0 0 1 0
324 -5.25 3 1 0 0 0 1 0
324 5.25 3 1 0 0 0 1 0
324 15.75 3 1 0 0 0 1 0
324 26.25 3 1 0 0 0 1 0