File:VFPt decapole wires.svg
Original file (SVG file, nominally 600 × 600 pixels, file size: 126 KB)
Captions
Contents
Summary
[edit]DescriptionVFPt decapole wires.svg |
English: Magnetic field of ten infinite wires perpendicular to the image plane in decapole configuration, conducting current into and out of the image plane. |
Date | |
Source | Own work |
Author | Geek3 |
SVG development InfoField | This plot was created with VectorFieldPlot. |
Source code InfoField | Python code# paste this code at the end of VectorFieldPlot 1.0
doc = FieldplotDocument('VFPt_decapole_wires', width=600, height=600, commons=True)
nw = 10
r = 2.0
wires = []
for i in range(nw):
wires.append([r * cos(2*pi*i/float(nw)),
r * sin(2*pi*i/float(nw)),
2 * (i % 2) - 1])
field = Field({'wires':wires})
doc.draw_currents(field)
t0 = 0.085
Fsum = ig.quad(lambda t: sc.dot(field.F([t,0]), [0,1]), 0.0, r*(1-t0))[0]
nl = 8
for i in range(nl):
a = (i + 0.5) / (nl - 0.5)
t1 = op.brentq(lambda t1: ig.quad(lambda t:
sc.dot(field.F([t,0]), [0,1]), 0.0, t1)[0] - a * Fsum, 0.0, r*(1-t0))
if i in [0, 2, 4, 6]: offs = 0.0
else: offs = 0.5
for m in range(nw):
c, s = cos(2*pi*m/float(nw)), sin(2*pi*m/float(nw))
line = FieldLine(field, [t1*c, t1*s], directions='both')
doc.draw_line(line, arrows_style={'dist':1.7,
'offsets':[offs, 0.4, 0.4, 1.0-offs]})
doc.write()
|
See also
[edit]- Dipole wires: VFPt wires antiparallel.svg
- Quadrupole wires: VFPt four wires antiparallel.svg
- Hexapole wires: VFPt hexapol wires.svg
- Octupole wires: VFPt octupole wires.svg
Licensing
[edit]Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 09:59, 13 September 2014 | 600 × 600 (126 KB) | Geek3 (talk | contribs) | decapole_wires field diagram by Geek3 |
You cannot overwrite this file.
File usage on Commons
The following page uses this file:
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Short title | VFPt_decapole_wires |
---|---|
Image title | VFPt_decapole_wires
created with VectorFieldPlot 1.3 http://commons.wikimedia.org/wiki/User:Geek3/VectorFieldPlot about: http://commons.wikimedia.org/wiki/File:VFPt_decapole_wires.svg rights: GNU Free Documentation license, Creative Commons Attribution ShareAlike license |
Width | 600 |
Height | 600 |