File:VFPt wires parallel in Babs+contour.svg
![File:VFPt wires parallel in Babs+contour.svg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/VFPt_wires_parallel_in_Babs%2Bcontour.svg/800px-VFPt_wires_parallel_in_Babs%2Bcontour.svg.png?20201112114439)
Original file (SVG file, nominally 800 × 600 pixels, file size: 112 KB)
Captions
Captions
Summary
[edit]DescriptionVFPt wires parallel in Babs+contour.svg |
English: Magnetic field of two infinite wires perpendicular to the image plane, conducting current into the image plane. The absolute magnetic field strength is shown as background contour plot. |
Date | |
Source | Own work |
Author | Geek3 |
Other versions | VFPt wires parallel in.svg |
SVG development InfoField | ![]() This plot was created with VectorFieldPlot. |
Source code InfoField | Python code# paste this code at the end of VectorFieldPlot 3.2
# https://commons.wikimedia.org/wiki/User:Geek3/VectorFieldPlot
doc = FieldplotDocument('VFPt_wires_parallel_in_Babs+contour', width=800, height=600, commons=True)
field = Field([ ['wire', {'x':-1.5, 'y':0, 'I':-1}], ['wire', {'x':1.5, 'y':0, 'I':-1}] ])
doc.draw_currents(field)
def Babs(xy):
return sc.linalg.norm(field.F(xy))
B0 = Babs((1.65, 0))
doc.draw_scalar_field(func=Babs, cmap=doc.cmap_WtGnBu, vmin=0., vmax=B0)
doc.draw_contours(func=Babs, linewidth=1, linecolor='#111111',
levels=sc.linspace(0, B0, 13)[1:-1], attributes={'opacity':'0.5'})
r0 = 0.195
r1 = 2.75
n = 8
for i, sign in [ [j, 1] for j in range(n)] + [ [j, -1] for j in range(4)]:
r = r0 * (r1 / r0) ** (i / (n - 1))
if i == 0:
r = -r
p0 = [(1.5 + r) * sign, 0]
line = FieldLine(field, p0, directions='both')
doc.draw_line(line, linewidth=2.4, arrows_style={'dist':1.9, 'min_arrows':1,
'max_arrows':8, 'offsets':[0.0, 0.5, 0.5, 1.0]})
doc.write()
|
Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 11:44, 12 November 2020 | ![]() | 800 × 600 (112 KB) | Geek3 (talk | contribs) | Uploaded own work with UploadWizard |
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Metadata
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Short title | VFPt_wires_parallel_in_Babs+contour |
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Image title | VFPt_wires_parallel_in_Babs+contour
created with VectorFieldPlot 3.2 https://commons.wikimedia.org/wiki/User:Geek3/VectorFieldPlot about: https://commons.wikimedia.org/wiki/File:VFPt_wires_parallel_in_Babs+contour.svg rights: Creative Commons Attribution ShareAlike 4.0 |
Width | 800 |
Height | 600 |