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MAXWELL3D教程.pdf
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Maxwell 3D User’s Guide
Maxwell 3D User’s Guide
00_1_maxwell_overview_training_v15
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Maxwell 3D Keyboard Shortcuts
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User Defined Primitives
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“On selection” Skin Depth Based Note: Adaptive refinement will be applied to objects which have a skin depth mesh operation. In some cases, the skin depth mesh may be partially removed during the adaptive refinement process.
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02_0_maxwell_solvers
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02_1_maxwell_magnetostatic
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02_2_maxwell_eddy_current
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02_3_maxwell_transient
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02_4_maxwell_electrostatic
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02_5_maxwell_DCconduction
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02_6_maxwell_ElectricTransient
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03_0_maxwell_mesh
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03_1_maxwell_geometry_import_healing
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03_2_maxwell_mesh_operations_examples
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03_3_maxwell_Adaptive_Mesh
Maxwell Adaptive Meshing
Maxwell and the Finite Element Method
The Finite Element Method in 1-D
The Finite Element Method in 1-D
The Finite Element Method in 1-D
The Finite Element Method in 1-D
3D Example: Puck Magnet above a steel plate
Adaptive Mesh Refinement
Adaptive Mesh Refinement
Adaptive Mesh Refinement
Adaptive Mesh Refinement
Adaptive Mesh Refinement
Adaptive Mesh Refinement
Plot of |B| on surface of the Plate (DC after 16 passes)
Adaptive Mesh Refinement
Plot of |B| on surface of the Plate (DC after 22 passes)
Convergence
Convergence definition through use of additional variables
The “Solve” Procedure in Maxwell
Summery
Example: Team Problem #20
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04_0_maxwell_results
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04_1_maxwell_field_calculator
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05_0_maxwell_magnetostatic
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05_1_maxwell_magnetostatic_magnetic_force
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05_2_maxwell_magnetostatic_inductance_calculation
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05_3_maxwell_magnetostatic_reluctance_motor
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05_4_maxwell_magnetostatic_ece_linear
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05_5_maxwell_magnetostatic_Anisotropic_Material
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05_6_maxwell_magnetostatic_Symmetry_Boundaries
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05_7_maxwell_magnetostatic_Permanent_Magnet
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05_8_maxwell_magnetostatic_Master_Slave_Boundaries
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06_0_maxwell_eddycurrent
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06_1_maxwell_eddycurrent_Asymmetric_Conductor
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06_2_maxwell_eddycurrent_Radiation_Boundary
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06_3_maxwell_eddycurrent_LorentzForceOnBusbars
Instantaneous Forces on Busbars in Maxwell 2D and 3D
Description
Setup the Design
Click on the menu item Project > Insert Maxwell 2D Design
Click on the menu item Maxwell 2D > Solution Type ...
Set Geometry Mode: Cartesian, XY
Select the radio button Magnetic: Eddy Current
Draw the Solution Region
Click on Draw > Rectangle (Enter the following points using the tab key).
X: -150, Y: -150, Z: 0
dX: 300, dY: 300, dZ: 0
Change its properties:
Name: Region
Display Wireframe: Checked
Select View > Fitall > Active View to resize the drawing window.
Create the Model
Create the Left Busbar
Create the Right Busbar
Assign the Boundaries and Sources
Assign the Parameters
Add an Analysis Setup
Click Right on the Analysis folder in the Model Tree and select Add Solution Setup…
On the General tab, re-set the Number of passes to 15.
Percent Error to 0.01
On the Solver tab, re-set the Adaptive Frequency to 100kHz.
Solve the Problem
Save the project by clicking on menu item File > Save As
Select the menu item Maxwell 2D > Validation Check to verify problem setup
Click on Maxwell 2D > Analyze All.
View the Results
Create a Plot of Force vs. Time
Setup the Design
Click on the menu item Project > Insert Maxwell 3D Design
Click on the menu item Maxwell 3D > Solution Type ...
Select the radio button Magnetic: Eddy Current
Draw the Solution Region
Click on Draw > Box (Enter the following points using the tab key).
X: 0, Y: -150, Z: -150
dX: 10, dY: 300, dZ: 300
Change its properties:
Name: Region
Display Wireframe: Checked
Select View > Fitall > Active View to resize the drawing window.
Create the Model
Create the Left Busbar
Assign the Boundaries and Sources
Assign the Parameters
Add an Analysis Setup
Click Right on the Analysis folder in the Model Tree and select Add Solution Setup…
On the General tab, re-set the Number of passes to 15.
Percent Error to 0.01
On the Solver tab, re-set the Adaptive Frequency to 100kHz.
Click OK to save the setup.
Solve the Problem
Save the project by clicking on menu item File > Save
Select the menu item Maxwell 3D > Validation Check to verify problem setup
Click on Maxwell 3D > Analyze All.
View the Results
Create a Plot of Force vs. Time
MSC Paper #118 "Post Processing of Vector Quantities, Lorentz Forces, and Moments
07_0_maxwell_transient
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07_1_maxwell_transient_reluctance_motor
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07_2_maxwell_transient_rotational_motion
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07_3_maxwell_transient_translational_motion
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07_4_maxwell_transient_core_loss
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08_0_maxwell_electrostatic
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08_1_Maxwell_Electrostatic_spectrometer
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09_0_maxwell_basic_exercises
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09_1_BasicElectroStatic
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09_2_BasicDCconduction
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09_3_BasicMagnetoStatic_Torque
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09_4_BasicParametrics
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09_5_BasicTransient_Sources
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09_6_BasicTransient_Circuit
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09_7_BasicPost_Processing
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09_8_BasicOptimetrics
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09_9_BasicMeshing
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09_10_BasicScripting
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09_11_BasicLinearECE
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09_12_BasicEddy_ANSYS_Mechanical
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09_13_BasicTransient_MotionRotational
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09_14_BasicElectricTransient
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09_15_BasicPMAssignment
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09_16_BasicElectricTransient_HighVoltageLine
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10_0_maxwell_optimetrics
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10_1_maxwell_optimetrics_core_inductance
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11_0_maxwell_motors
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11_1_Motor_application_note_Prius
Study of a Permanent Magnet Motor with MAXWELL 3D: Example of the 2004 Prius IPM Motor
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12_0_maxwell_multiphysics
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12_2_maxwell_multiphysics_Maxwell_EddyCurrent_Fluent_Coupling
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Maxwell 3D
Electromagnetic and Electromechanical Analysis
electronic design automation software
user’s guide – Maxwell 3D
ANSYS Inc • Southpointe • 275 Technology Drive • Canonsburg, PA 15317
The information contained in this document is subject to change without notice.
ANSYS Inc. makes no warranty of any kind with regard to this material, including, but
not limited to, the implied warranties of merchantability and fitness for a particular
purpose. ANSYS Inc. shall not be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance, or use of this
material.
© 2010 ANSYS Inc. All rights reserved.
ANSYS Inc.
Southpointe
275 Technology Drive
Canonsburg, PA 15317
ansysinfo@ansys.com
http://www.ansys.com
(T) 724-746-3304 (F) 724-514-9494
Ansoft Maxwell, Simplorer, RMxprt and Optimetrics and any and all ANSYS, Inc.
brand, product, service and feature names, logos and slogans are registered
trademarks or trademarks of ANSYS, Inc. or its subsidiaries in the United States or
other countries. All other brand, product, service and feature names or trademarks are
the property of their respective owners.
New editions of this manual will incorporate all material updated since the previous
edition. The manual printing date, which indicates the manual’s current edition,
changes when a new edition is printed. Minor corrections and updates which are
incorporated at reprint do not cause the date to change. Update packages may be
issued between editions and contain additional and/or replacement pages to be
merged into the manual by the user. Note that pages which are rearranged due to
changes on a previous page are not considered to be revised.
Edition: REV6.0
Date: 13 March 2012
Software Version: 15
Maxwell 3D User’s Guide
Contents
This document discusses some basic concepts and terminology used throughout
the ANSYS Maxwell application. It provides an overview of the following topics:
1. Overview
2. Solution Types
2.0 - General Finite Element Information
2.1 - Magnetostatic Analysis
2.2 - Eddy Current Analysis
2.3 - Transient Magnetic Analysis
2.4 - Electrostatic Analysis
2.5 - DC Conduction Analysis
2.6- Electric Transient Analysis
3. Mesh Overview
3.0 - Meshing Process and Operations
3.1 - Geometry Import & Healing
3.2 - Mesh Operation Examples
3.3 - Adaptive Meshing
4. Data Reporting
4.0 - Data Plotting
4.1 - Field Calculator
5. Examples – Magnetostatic
5.1 – Magnetic Force
5.2 – Inductance Calculation
5.3 – Stranded Conductors
5.4 – Equivalent Circuit Extraction (ECE) Linear Movement
5.5 – Anisotropic Materials
5.6 – Symmetry Boundaries
5.7 – Permanent Magnet Magnetization
5.8 – Master/Slave boundaries
6. Examples – Eddy Current
6.1 – Asymmetrical Conductor with a Hole
6.2 – Radiation Boundary
6.3 - Instantaneous Forces on Busbars
Maxwell 3D User’s Guide
7. Examples – Transient
7.1 – Switched Reluctance Motor (Stranded Conductors)
7.2 – Rotational Motion
7.3 – Translational Motion
7.4 – Core Loss
8. Examples – Electric
8.1 – Mass Spectrometer
9. Examples – Basic Exercises
9.1 – Electrostatic
9.2 – DC Conduction
9.3 – Magnetostatic
9.4 – Parametrics
9.5 – Magnetic Transient
9.6 – Magnetic Transient with Circuit Editor
9.7 – Post Processing
9.8 – Optimetrics
9.9 – Meshing
9.10 – Scripting
9.11 – Linear ECE
9.12 – Eddy Current with ANSYS Mechanical
9.13 – Rotational Transient Motion
9.14 – Basic Electric Transient
9.15 – Permanent Magnet Assignment
9.16 – Electric Transient High Voltage Line
10. Examples – Optimetrics
10.1 – Gapped Inductor
11. Examples – Motors
11.1 – Motor Application Note – Prius Motor
12. Examples – Multiphysics Coupling
12. 1 – Maxwell Magnetostatic to Mechanical Coupling (IGBT)
12.2 - Maxwell Eddy Current to FLUENT Coupling
12.3 – Maxwell Transient to FLUENT Coupling
12.4 – Maxwell Electrostatic to Mechanical Coupling (Capacitor)
Maxwell v15
Overview
Presentation
1
v15
Maxwell 3D is a high-performance interactive software
package that uses finite element analysis (FEA) to solve
electric, magnetostatic, eddy current, and transient
problems.
ANSYS Maxwell Field Simulator v15 – Training Seminar
P1-1
Maxwell v15
Overview
Presentation
1
v15
Maxwell solves the electromagnetic field problems by solving Maxwell's
equations in a finite region of space with appropriate boundary conditions and
— when necessary — with user-specified initial conditions in order to obtain a
solution with guaranteed uniqueness.
Electric fields:
Electrostatic fields in dielectrics
Electric fields in conductors
A combination of the first two with conduction solutions being used as
boundary conditions for an electrostatic problem.
Magnetostatic fields
Eddy current fields
Transient fields
ANSYS Maxwell Field Simulator v15 – Training Seminar
P1-2
Maxwell v15
Overview
Presentation
1
FEM and adaptive meshing
automatically
In order
to obtain the set of
algebraic equations to be solved,
the geometry of the problem is
discretized
into
small elements (e.g., tetrahedra
in 3D).
All the model solids are meshed
automatically by the mesher.
The assembly of all tetrahedra is
referred to as the finite element
mesh of the model or simply the
mesh.
Start
Field Solution
Generate
Initial Mesh
Compute
Fields
Perform
Error Analysis
Refine
Mesh
No
Has
Stopping
Criteria been
met?
Yes
Stop
Field Solution
ANSYS Maxwell Field Simulator v15 – Training Seminar
P1-3
Maxwell v15
Overview
Presentation
1
GUI - Desktop
The complex functionality built into the Maxwell solvers is accessed through
the main user interface (called the desktop).
Problem can be setup in a fairly arbitrary order (rather than following the
steps in a precise order as was required in previous versions of Maxwell).
A “validation check” insures that all required steps are completed.
ANSYS Maxwell Field Simulator v15 – Training Seminar
P1-4
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