Magnetic pickup sensor - QuickField simulation example
This simulation example is prepared by Dieter Stotz as a part of the webinar Basic analysis of magnetic pickup evaluated with QuickField.
Magnetic flux through a focused guitar-pickup core versus string position, showing the enhanced flux variation produced by the magnetic-core geometry.
How to find focused guitar pickup flux variation?
Answer Typical applications Geometry
Given
Task
Solution
Results
Engineering question
Sweep the steel-string Y-position with LabelMover and calculate magnetic flux through the pickup core cross-section at each position.
guitar pickup sensors, focused magnetic pickups, inductive audio pickups
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Simulation problem
Problem Type
Plane-parallel problem of DC magnetics.
Permanent magnet permeability 1000, coercive force 1000 kA/m.
Core, steel string permeability 10000.
Find flux in the core cross-section as a function of the string Y-position.
The LabelMover tool is used to automate the calculations.
Magnetic field around the pickup sensor:
Video
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