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PS-PERMAG - Software for Calculating Permanent Magnetic Fields

PS-PERMAG in its current version 3.1 enables the user to do easy and fast analyses of the fields that are originated by permanent magnets. In general expensive FEM software is used for this purpose, which demands many efforts and a substantial quantity of knowledge. Such programs generally can be handled by specialists only. In contrast  the software PS-PERMAG provides the computation of 3D field distributions by simple input of the magnets dimensions, its remanence induction and its pole number. PS-PERMAG offers this for the majority of common geometric magnet layouts.

Start3-96

Click on the picture to zoom in !

PS-PERMAG 3.1 provides the following capabilities:

easy definition of the problem by input of geometry, pole number and remanence

immediate 3D computation of all  field components, absolute field value and other parameters

field analysis outside and inside the magnet

handling of sixteen different sorts of permanent magnets with adjustable pole configurations up to 256 poles

includes cylinders and cuboid segments with irregular pole patterns

covers three sorts of new on-axis sensor magnets with optional ledges and depressions

including soft magnetic materials and forces for specific sorts of magnets, also in addition with configurations for electrical machines

Output of all field components in cylindrical and Cartesian coordinates

computation of characteristic curves for DC machines

computation of field angles with axes of  result coordinate systems

Fourier analysis of periodic and non periodic field distributions

circular and linear field paths for all sorts of magnet configurations, selectable result coordinates

graphical diagrams as well as listings in tabular form

ASCII export for using the results in external software

extensive HTML help system

The following sorts of magnetic geometry are supported in the current version 3.1 of PS-PERMAG:

(np poles per pole face)

D - diametrical cylinders

M - circumferentially multipolar cylinders

np=2     

np=4 to np=256

L - laterally multipolar cylinders

np=4 to np=256

H - multipolar cylinders, Halbach principle      

R - radially multipolar cylinders

np =1 to np=256

Multipolar-radial-6cm02

M continuous or segmented

(np=2 to np=120, no. of segments per pole 1 to 40 )

Example: np=2 with 8 segments per pole

Halbach02

A - axially multipolar cylinders (np=1 to np=256 )

optional soft magnetic plate with varying distance

Example: np=10

calculation of adhesive forces

Example:  np=6 with soft magnetic plate

Axial-Platte-8cm02

AS - axially magnetized cylinder segments

irregular pole pattern (np=1 to np=8 )

optional soft magnetic plate with varying distance

calculation of adhesive forces

Example: Segment with  np=6

Example: cylinder ring with irregular poles  np=2

Axial segments on soft magnetic plate, irregular poles,  np=5

Ringmagnet-8cm
gruppeohne-6cm gruppe-8cm

AL - Axially lateral (bow shaped) mag. clyinders 

(np=4 to np=256 )

Example: Cylinder ring np=8

AxLat3-9cm

2DM, 2DR - 2D models electrical machines

 Inner and outer rotors

M multipolar homogeneous or multipolar radial

Example:  np=10, rotor inside

Rotor-Innen-Ws-zw55

(np=2 to np=256 )

Example:  np=10, rotor outside

Rotor-Aussen-Ws-zw55

C - multipolar homogeneous cuboids, (np=1 to np=256 )

optional soft magnetic plate with varying distance

calculation of adhesive forces

Example: axial cube, np=1

Example: 8-pole magnetized plate

CS - multipolar cuboid segments

irregular pole pattern (np=1 to np=8 )

Example:  4-pole magnet above soft magnetic plate

Cuboid-Platte-8cm

optional soft magnetic plate with varying distance

calculation of adhesive forces

Example: Magnetic strip np=3

Streifen-8cm

Example:: two cuboids,  np=2 each

Example: Irregular segments with gap, above soft magnetic plate

Bloecke-6cm
gruppe-10cm

RS - multipolar radially mag cylinder segments

irregular poles  (np=1 to np=8 )

Example: Two segments of different size, separated by an airgap

RadSeg-ohne3

SD - Two pole diametrical sensor magnet

with up to four arbitrarily chosen ledges and depressions, np=2

SensDi1

SA - Two pole  axial sensor magnet

with up to four arbitrarily chosen ledges and depressions, np=2

SensAx2-medium

SL - Two pole axially lateral sensor magnet

 single sided bow shaped magnetization

with up to four arbitrarily chosen ledges and depressions, np=2

SensAl0-medium