Post on 30-May-2018
Opera-3d Training Course
Opera version 15, November 2011
Power Conversion & Electromechanical Devices
Medical Physics & Science Applications
Transportation Power Systems
1-1: Introduction to the Opera-3d software
OPERA-3d
• What is OPERA-3d?
• Structure of the package– HistoryHistory
• Solution modules– TOSCA– ELEKTRA– SCALA– CARMEN– SOPRANO
TEMPO
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– TEMPO– DEMAG– QUENCH– STRESS
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Opera-3d Training Course
Opera version 15, November 2011
OPERA-3d
• Software package for the design of electromagnetic products and devices
– Three dimensional
– Finite element based• most commonly used numerical method for solving continuum
physics problems
– Developed by Vector Fields based on algorithms originated at
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Developed by Vector Fields based on algorithms originated at Rutherford Appleton Laboratory, UK
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Structure of OPERA-3d
Pre-ProcessorModeller Pre Processor
SolversTOSCA, ELEKTRA, SCALA,
CARMEN, SOPRANO, TEMPO, DEMAG, QUENCH, STRESS
Modeller
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Post-Processor
Opera-3d Training Course
Opera version 15, November 2011
Pre-processing
• Modeller– Geometric modelling– CAD data input and output– Automatic meshing– Connection to external circuit– Launches Analyses and Post-Processor– Windows / Motif based
• Pre-Processor
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– Extrusion based modelling– Automatic and mapped meshing– Launches analyses (not DEMAG, STRESS or QUENCH)
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Solvers
• TOSCA– Magnetostatics– Electrostatics– Current flow
• Examples– Magnetic resonance imaging magnets– Motors and generators– Actuators
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– Cathodic protection– Switchgear
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Opera-3d Training Course
Opera version 15, November 2011
MRI magnet in TOSCA
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Solvers
• ELEKTRA– Time varying fields with eddy currents
• Steady state AC• Transient• Velocity
• Examples– Induction heating– Magnetic recording– Pipeline inspection
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Pipeline inspection– Transformers
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Opera-3d Training Course
Opera version 15, November 2011
ELEKTRA - currents in coil supports
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Solvers
• SCALA– Electric fields with space charge limited particle beams
• Thermionic emission• Field effect emission• User defined emission• Emission from plasmas
– Imposed magnetic fields– Secondary emission
• Examples
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Examples– X-ray tubes– Flat screen displays– Ion sources
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Opera-3d Training Course
Opera version 15, November 2011
X-Ray tube in SCALA
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Solvers
• CARMEN– Time varying fields with rotational or linear motion
• Eddy currents• Non-linear materials• Coupling to circuits• Mechanical coupling• Co-simulation with Simulink™
• Examples– Motors and generators
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Motors and generators– Position sensors– Actuators
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Opera-3d Training Course
Opera version 15, November 2011
Axial flux motor in CARMEN
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Solvers
• SOPRANO– High frequency electromagnetic fields– Full wave equation
• Steady state AC (defined frequency)• Eigenvalue (modal analysis)
– EV also in Concerto
• Examples– Resonant cavities
EMC
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– EMC
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Opera-3d Training Course
Opera version 15, November 2011
Resonant cavity in SOPRANO
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Solvers
• TEMPO– Temperature distribution (Steady State or Transient)
• Stand alone thermal analysis• Heat sources may be imported from other OPERA modules• Temperatures may be exported to other OPERA modules
• Examples– Induction heating and annealing– Rotating machine temperature rise
Heating due to eddy current braking
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– Heating due to eddy current braking
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Opera-3d Training Course
Opera version 15, November 2011
Annealing automotive axle in TEMPO
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Solvers
• DEMAG– Modelling of magnetization process in permanent magnets
• Residual magnetization pattern
– Transient eddy current analysis– Export of magnetization to other solvers
• Examples– Magnetizing fixture design– Biased ferrites in microwave structures
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Opera-3d Training Course
Opera version 15, November 2011
Remanent field strength after magnetizing
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Solvers
• QUENCH– Modelling of superconducting quench
• Transition between superconducting and normal state
– Transient thermal analysis• Coupled to electric circuit and magnetic fields
• Examples– MRI / NMR magnets– Particle accelerator magnets
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Opera-3d Training Course
Opera version 15, November 2011
2 concentric solenoids in QUENCH
10 ms 50 ms
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100 ms
Solvers
• STRESS– Mechanical small deformation simulation
• Elastic limit of materials• Isotropic and orthotropic materials
– Stand alone analysis with applied loads– Body forces imported from electromagnetic simulations– Thermal expansion / contraction
• Temperature distribution from TEMPO
• Examples
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• Examples– MRI / NMR magnets– Electrical machine windings– Transformers
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Opera-3d Training Course
Opera version 15, November 2011
Deflection of steel plate due to field from pot core
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Post-processing
• Computing useful results for the designer– Fields– Currents
d– Forces and torque– Energy and power– Particle trajectories– Harmonics– Temperature
• Export results to other software
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– Tables
• User programmable
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