MagNetTutorials.pdf

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YOUR FASTEST SOLUTION TO A BETTER DESIGN
MagNet
Version 7.4
Magnetostatic / Time-harmonic / Transient /
Transient with Motion
2D
&
3D Tutorials
September 18, 2012
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© 2012 Infolytica Corporation.
Part number
MN7-T-004
All rights reserved. No part of this document may be reproduced, translated to another language, stored in a
retrieval system, or transmitted in any form or by any means, electronic, photocopying, recording, or
otherwise, without written permission from Infolytica Corporation.
The information in this document is subject to change without notice.
Introduction to the tutorials
This document includes eleven tutorials to help you increase your skills with MagNet.
Each tutorial teaches you basic procedures that you can apply to your own models.
2D Tutorials
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Time-harmonic solution: Cylindrical Shield
Transient solution: Felix long cylinder
Basic model tutorial: Spherical Shield
Magnetostatic solution: Spherical Shield
Time-harmonic solution: Spherical Shield
Transient 2D with Motion solution - TEAM Problem 30
3D Tutorials
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•
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Magnetostatic solution: Pot-core with a coil
Time-harmonic solution: Bath plate
Transient solution: Felix short cylinder
Parameterization tutorial: C-core with a rotating block
Transient 3D with Motion solution - Permanent magnet stepper motor
Additional information
The Getting Started Guide introduces you to the basic MagNet concepts. More
information on the procedures and concepts of model building with MagNet is found in
the Help included with each package and on our web site’s Documentation Center.
© 2012 Infolytica Corporation
Features showcase
Tutorial #1
2D Time-harmonic solution -- Cylindrical Shield
(
Translational Geometry)
Features you will learn
•
•
•
•
•
•
•
•
Changing the material of a component
Refining the mesh by changing the
maximum element size
Editing the properties of coils
Setting the source frequency
Setting the linear solving option
Viewing the time-averaged ohmic loss in the conductor
Viewing the contour plot of the model
Probing a field value
For a printed copy of
this tutorial, print pages
8 through 30
Tutorial #2
2D Transient solution -- Felix long cylinder
(
Translational Geometry)
In this tutorial, the cylindrical shield model built in Tutorial #1 is used as
the basis for the Felix long cylinder problem.
Features you will learn
•
•
•
•
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•
Changing the material of a component
Editing the properties of a coil
Creating a circuit
Defining an exponential waveform
Viewing a contour plot
Animating a contour plot
Viewing the instantaneous ohmic loss of each conducting component
Graphing the power across time
For a printed copy of
this tutorial, print pages
31 through 42
Tutorial #3
2D basic model -- Spherical shield
(
Rotational Geometry
)
In this tutorial, a spherical shield model is built with the MagNet defaults.
Features you will learn
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•
•
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•
•
Drawing with the Keyboard Input bar
Creating components in a rotational direction
Rotating the display of a model
Refining the mesh by changing the
maximum element size
Defining boundary conditions
Creating a coil
For a printed copy of
this tutorial, print pages
43 through 57
© 2012 Infolytica Corporation
Tutorial #4
2D Magnetostatic solution -- Spherical shield
(
Rotational Geometry)
In this tutorial, the spherical shield model built in Tutorial #3 is edited
for a magnetostatic solution.
Features you will learn
•
•
•
•
•
Changing the material of a component
Editing the properties of a coil
Solving with the default options
Viewing the contour plot of the model
Probing a field value
For a printed copy of
this tutorial, print pages
58 through 66
Tutorial #5
2D Time-harmonic solution -- Spherical shield
(
Rotational Geometry)
In this tutorial, the spherical shield model built in Tutorial #3 is edited
for a time-harmonic solution.
Features you will learn
•
•
•
•
•
•
•
Changing the material of a component
Editing the properties of a coil
Setting the source frequency
Setting the linear solving option
Viewing the time-averaged ohmic loss in the conductor
Probing a field value
Viewing the contour plot of the model
For a printed copy of
this tutorial, print pages
67 through 75
Tutorial #6
2D Transient with Motion solution – TEAM Problem 30
In this tutorial, steps guide you through creating a half-model of a 3-phase
induction machine and then analyzing the device in MagNet, which includes setting up
and analyzing problems for a locked rotor analysis, determining the torque at a speed
of 200 rad/s, and examining rotor speed and torque during start-up conditions.
Features you will learn
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•
•
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•
For a printed copy of
this tutorial, print pages
76 through 107
Setting up the work environment by modifying initial settings and the viewing area
Building the geometric model using the Keyboard Input Bar
Transforming construction slice edges
Creating new user materials
Setting up the problem, which consists of making components and coils, assigning boundary
conditions, modifying the mesh, and creating circuits
Making a motion component
Generating the time-harmonic and transient field solutions using
MagNet’s Time-Harmonic 2D and Transient 2D with Motion solvers
Analyzing the results, which includes:
•
viewing the torque of the locked rotor and viewing its contour plot
•
graphing the torque for the rotor when it is rotating at 200 rad/s
•
graphing the speed and torque of the rotor during the start-up phase
© 2012 Infolytica Corporation

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