Maxwell & Simplorer Tips and Tricks -...
Transcript of Maxwell & Simplorer Tips and Tricks -...
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© 2010 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary© 2010 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary
Maxwell & Simplorer
Tips and Tricks
Ryan Magargle
Dennis Steward
Ansys, Inc.
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© 2010 ANSYS, Inc. All rights reserved. 2 ANSYS, Inc. Proprietary
Outline
• Maxwell
– Geometry
– Transient
– Post-Processing
• Simplorer
– Transient Solver
– Post-Processing
– Advanced Analysis
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© 2010 ANSYS, Inc. All rights reserved. 3 ANSYS, Inc. Proprietary
Maxwell Geometry Interface
• Topic
– Remove geometry commands in any order to
reduce the need for redrawing geometry
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© 2010 ANSYS, Inc. All rights reserved. 4 ANSYS, Inc. Proprietary
Maxwell Geometry Interface
• Example
– Create motor coils for symmetry, then change
mind and undo symmetry
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© 2010 ANSYS, Inc. All rights reserved. 5 ANSYS, Inc. Proprietary
Maxwell Geometry Interface
• Topic
– Increase geometry visibility with split planes
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© 2010 ANSYS, Inc. All rights reserved. 6 ANSYS, Inc. Proprietary
Maxwell Geometry Interface
• Steps
– Click Draw Clip Plane
– Click Add-> Specify
Center, Normal
1
2
1
2
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Maxwell Geometry Interface
• Steps
– Grab and drag to change clip plane view
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Outline
• Maxwell
– Geometry
– Transient
– Post-Processing
• Simplorer
– Transient Solver
– Post-Processing
– Advanced Analysis
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© 2010 ANSYS, Inc. All rights reserved. 9 ANSYS, Inc. Proprietary
Maxwell Transient Solver
• Topic
– Multiple objects with independent motion
Actuated magnet has
motion prescribed by
user
Victim magnet moves with
its own inertia to align with
actuated magnet
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Maxwell Transient Solver
• Setup
– Draw a “band” around each
object with independent
motion
– Assign axis of rotation and
type of motionAir region
band1 band2
magnet1 magnet2
Axis of
rotation
1
Axis of
rotation
2
1
2
1
2
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Maxwell Transient Solver
• Setup
– Apply mesh operations
– Specify time step and stop time
3
4
3
4
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Maxwell Transient Solver
• Setup
– Plot flux lines
– Plot motion and animate
3
4
0.00 50.00 100.00 150.00 200.00Time [ms]
-100.00
0.00
100.00
200.00
300.00
Po
sit
ion
[d
eg
]
Maxwell2DDesign1Magnet Motion ANSOFT
Curve Info
Victim MagnetSetup1 : Transient
Source MagnetSetup1 : Transient
3
4
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Maxwell Transient Solver
• Topic
– Define complex transient excitation with
functions and datasets
0.00 2.50 5.00 7.50 10.00 12.50 15.00 17.50 20.00Time [ms]
-1.25
-0.63
0.00
0.63
1.25
Inp
utC
urr
en
t(W
ind
ing
1)
[A]
Maxwell2DDesign1Input Current Waveform ANSOFT
Curve Info
InputCurrent(Winding1)Setup1 : Transient
1A Sinusoid + .15A Triangle
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Maxwell Transient Solver
• Steps
– Define coil cross section
as a ‘coil’ with turns.
– Define winding with
current function:
• 1A*Sin(2*Pi*50*time)+
0.15A*pwl_periodic(ds1,time)
1
2
Periodic piecewise linear
interpolation function of
numeric dataset, defined by
user
1
2
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Maxwell Transient Solver
• Steps
– pwl_periodic(ds1,time) causes Maxwell
to prompt for dataset definition
Unit Amplitude
Triangle Wave
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Maxwell Transient Solver
• Resulting Current Waveforms
0.00 5.00 10.00 15.00 20.00Time [ms]
-100.00
-50.00
0.00
50.00
100.00
Ind
uc
ed
Vo
lta
ge
(Win
din
g1
) [V
]
Coil Back EMF ANSOFT
Curve Info
InducedVoltage(Winding1)Setup1 : Transient
0.00 5.00 10.00 15.00 20.00Time [ms]
-1.25
-0.63
0.00
0.63
1.25
Inp
utC
urr
en
t(W
ind
ing
1)
[A]
Input Current Waveform ANSOFT
Curve Info
InputCurrent(Winding1)Setup1 : Transient
1A*Sin(2*Pi*50*time)+
0.15A*pwl_periodic(ds1,time)
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Maxwell Transient Solver
• Topic
– Define variable timestep to capture complex
waveform shape.
Broadband excitation for sensing
applications
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© 2010 ANSYS, Inc. All rights reserved. 18 ANSYS, Inc. Proprietary
Maxwell Transient Solver
• Steps
– Define coil cross section
as a ‘coil’ with turns.
– Define winding with
current function:• 1A*Sin(2*Pi*(1250*time+50)*time)
Frequency increases linearly
from 50Hz to 150Hz in 8
fundamental periods
1
2
1
2
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Maxwell Transient Solver
• Steps
– Capture 30 steps per period, for 8 fund. periods
• 1/30/(1250*time+50)
3
3
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Outline
• Maxwell
– Geometry
– Transient
– Post-Processing
• Simplorer
– Transient Solver
– Post-Processing
– Advanced Analysis
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© 2010 ANSYS, Inc. All rights reserved. 21 ANSYS, Inc. Proprietary
Maxwell Post-Processing
• Topic
– Use fields calculator to plot only
Br in airgap for electric machine
Flux Density Contour
Flux Density Vector Radial Flux Density Vector
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Maxwell Post-Processing
• Calculator
– Scalar Field:
– Vector Field:
• Steps
– Define Br
– Save Br as a new Field Expression
– Define Br_vec using Br
– Save Br_vec as a new Field
Expression
yxyyxxrr iiiBiBiBB sincos
yxrrrr iiBiBB sincos
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Maxwell Post-Processing
• Calculator: Define Br
– Input -> Quantity -> B
– Vector -> Scalar? -> ScalarX
– Input -> Function -> Phi
– Scalar -> Trig -> Cos
– General -> *
– Input -> Quantity -> B
– Vector -> Scalar? -> ScalarY
– Input -> Function -> Phi
– Scalar -> Trig -> Sin
– General -> *
– General -> +
– General -> Smooth
– Library -> Add… -> “Br”
Calculator: Define Br_Vector Named Expressions -> Br ->
Library-> Copy to Stack
Input-> Function->Phi
Scalar -> Trig -> Cos
General -> *
Scalar -> Vec? -> VecX
Named Expressions -> Br-> Library->Copy to Stack
Input -> Function->Phi
Scalar -> Trig -> Sin
General -> *
Scalar -> Vec? -> VecY
General -> +
Library -> Add… -> “Br_vec”
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Maxwell Post-Processing
• Topic
– Graph the radial flux density in the gap
0.00 10.00 20.00 30.00 40.00 50.00 60.00Distance [mm]
-0.13
0.07
0.27
0.47
0.67
0.88
Br
[ T
]
Radial Flux Density in Air Gap Over One Pole ANSOFT
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Maxwell Post-Processing
• Steps
– Draw-> Arc -> 3 point Arc
– Create Fields Report
– Select the arc and Br
1
2
3
0.00 10.00 20.00 30.00 40.00 50.00 60.00Distance [mm]
-0.13
0.07
0.27
0.47
0.67
0.88
Br
[ T
]
Radial Flux Density in Air Gap Over One Pole ANSOFT
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Maxwell Post-Processing
• Take Spatial FFT
• Steps:– Right click Setup1 and select Perform
FFT on Report
– Select the flux density plot and select
magnitude for the spectral plot.
1
2
0.00 100.00 200.00 300.00 400.00 500.00FFT Distance Harmonic
0.00
0.10
0.20
0.30
0.40
0.50
FF
T B
r
FFT Radial Flux Density in Air Gap Over One Pole ANSOFT
1
2
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© 2010 ANSYS, Inc. All rights reserved. 27 ANSYS, Inc. Proprietary
-60.00 -40.00 -20.00 0.00 20.00 40.00H [A / m] [kA_per_m]
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
B [
T ]
BH Operating Point in Iron and Air ANSOFT
Curve Info
Imported BHImported
Operating Point IronSetup1 : LastAdaptive
Maxwell Post-Processing
• Topic
– Display magnet operating point on BH curve
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Maxwell Post-Processing
• Steps– Export BH curve for Alnico5
– Add header to BH text file
– Solve design in iron or air fixture
1
2
3
1
2
3
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© 2010 ANSYS, Inc. All rights reserved. 29 ANSYS, Inc. Proprietary
-60000.00 -40000.00 -20000.00 0.00 20000.00 40000.00H [A / m]
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
B [
T ]
BH Operating Point in Iron and Air ANSOFT
Curve Info
Imported BHImported
Operating Point IronSetup1 : LastAdaptive
Operating Point AirImported
Maxwell Post-Processing
• Steps– Use calculator to define Hx and Bx
– Draw a point to evaluate fields
– Create fields report of Bx vs Hx at
defined point
– Import BH curve into report
– Paste results from other simulations
5
4
6
7
8
5
4
6
7
8
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Outline
• Maxwell
– Geometry
– Transient
– Post-Processing
• Simplorer
– Transient Solver
– Post-Processing
– Advanced Analysis
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Simplorer Transient Solver
• Topic: Change schematic netlist mid-simulation
– Pause Simulation, Modify Values and Continue
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Simplorer Post Processing
• Topic: Create numerical display
– Add display to schematic for instant numeric
display of circuit gain
0
0
0
E1
AMPL=0.01V
FREQ=1000Hz
VccEMF=12V
RB1a50kOhm
RE15kOhm
RB2a100kOhm
RB2b22kOhm
RE21kOhm
SPICE_NPN1
SPICE_NPN2
CC1
1uF
CC2
1uF
+
V
VM1
TR
Probe
TR_Probe1
EQU
gain:=TR_Probe1.PKPK /(E1.AMPL *2)
RB1b50kOhm
RC2RC
CE210uF
Vb1
Ve1 Ve2
Vc2
Vb2
0.10 0.30 0.50 0.70 0.90Time [ns]
0.10
0.50
0.90
E1
.V [V
]
Curve Info pk2pk
E1.VTR
0.10 0.35 0.60 0.85Time [ns]
0.10
0.50
0.90
Vc2
.V
Curve Info pk2pk
Vc2.VTR
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© 2010 ANSYS, Inc. All rights reserved. 33 ANSYS, Inc. Proprietary
Simplorer Post Processing
• Steps
– Create a data table
– Pare To: Time Max
1
2
1
2
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Simplorer Post Processing
• Steps
– Drag plot onto schematic 3
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© 2010 ANSYS, Inc. All rights reserved. 35 ANSYS, Inc. Proprietary
Outline
• Maxwell
– Geometry
– Transient
– Post-Processing
• Simplorer
– Transient Solver
– Post-Processing
– Advanced Analysis
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© 2010 ANSYS, Inc. All rights reserved. 36 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Topic: Statistical Analysis
– Vary component parameters to measure
manufacturing variation on performance
0
0
0
E1
AMPL=0.01V
FREQ=1000Hz
VccEMF=12V
RB1a50kOhm
RE15kOhm
RB2a100kOhm
RB2b22kOhm
RE21kOhm
SPICE_NPN1
SPICE_NPN2
CC1
1uF
CC2
1uF
+
V
VM1
TR
Probe
TR_Probe1
EQU
gain:=TR_Probe1.PKPK /(E1.AMPL *2)
RB1b50kOhm
RC2RC
CE210uF
Vb1
Ve1 Ve2
Vc2
Vb2
0.10 0.30 0.50 0.70 0.90Time [ns]
0.10
0.50
0.90
E1
.V [V
]
Curve Info pk2pk
E1.VTR
0.10 0.35 0.60 0.85Time [ns]
0.10
0.50
0.90
Vc2
.V
Curve Info pk2pk
Vc2.VTR
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© 2010 ANSYS, Inc. All rights reserved. 37 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Steps
– Select properties for
each resistor.
– Select distribution for
each resistor.
11
2
2
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© 2010 ANSYS, Inc. All rights reserved. 38 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Steps
– Add statistical analysis
– Define Monte Carlo
iterations
– Define measured output
3
4
5
3
5
4
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© 2010 ANSYS, Inc. All rights reserved. 39 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Steps
– Execute statistical analysis
– View analysis results
6
7
6
7
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© 2010 ANSYS, Inc. All rights reserved. 40 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Topic: Import complex load waveforms from
empirical data
– Reduce a complex sub-system to data from
measurements.
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© 2010 ANSYS, Inc. All rights reserved. 41 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Steps
– Import text file as a dataset
– Use datapairs block for
dataset interpolation
– Select the dataset in (1)
1
1
22
3
3
![Page 42: Maxwell & Simplorer Tips and Tricks - …register.ansys.com.cn/.../material/Maxwell_Simplorer_Tips_Tricks.pdf · © 2010 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary](https://reader034.fdocuments.in/reader034/viewer/2022050720/5a788c5d7f8b9a7b698c9cc6/html5/thumbnails/42.jpg)
© 2010 ANSYS, Inc. All rights reserved. 42 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Steps
– Plot interpolated source and output.
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© 2010 ANSYS, Inc. All rights reserved. 43 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Topic: Digitize datasheet information using
the sheetscan tool.
– An automated approach to digitizing measured
data for use in simulation.
![Page 44: Maxwell & Simplorer Tips and Tricks - …register.ansys.com.cn/.../material/Maxwell_Simplorer_Tips_Tricks.pdf · © 2010 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary](https://reader034.fdocuments.in/reader034/viewer/2022050720/5a788c5d7f8b9a7b698c9cc6/html5/thumbnails/44.jpg)
© 2010 ANSYS, Inc. All rights reserved. 44 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Steps
– In datasets window
select sheetscan source
– Picture -> Load Picture
1
21
2
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© 2010 ANSYS, Inc. All rights reserved. 45 ANSYS, Inc. Proprietary
Simplorer Advanced Analysis
• Steps
– Coordinate System -> New,
Click to locate coordinate axes
– Curve -> New, click to locate
datapoints
– File -> Export, to export text file
3
4
3
4
5
5
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Thank You
• Questions?