altair simlab : piattaforma unica per la progettazione ... · altair simlab : piattaforma unica per...
TRANSCRIPT
Giulio Turinetti • Technical Director • 22/11/2018
ALTAIR SIMLAB : PIATTAFORMA UNICA PER LA PROGETTAZIONE MULTIFISICAVibro-Acustica, Termo-Strutturale e Fluido dinamica
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ALTAIR AT A GLANCE
Headquartered in Troy, MI US
Founded 1985 69offices in 24 countries
ALTRNasdaq
50+ISV partners under our unique,
patented licensing model
2000+Engineers, scientists and creative thinkers
5000+Customer installations globally
60,000+Users
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Altair transforms design and decision
making by applying simulation,
machine learning and optimization
throughout product lifecycles.
© 2018 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
CULTURE & VALUES
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EVOLUTION OF PRODUCT DESIGN TOOLS
“We are truly in the era of simulation-driven engineering, an era where simulation can help synthesize and define the physical design, rather than
simply evaluate and validate a completed design.” (CIMdata - 2016)
Prototypes &
Physical Testing
3D CAD
2D CAD &
Manual Design
CAE
Simulation-driven
Design
1980s 1990s 2000s 2010s 2020s
Pro
duct D
esig
nP
roduct V
alid
ation
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WHAT IS MULTI-PHYSICS
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ALTAIR SOLVER TECHNOLOGY
Multiphysics Simulation and Optimization
Structural
Analysis
Manufacturing
Simulation
Systems
SimulationFluid
Dynamics
Thermal
Analysis
Crash, Safety,
Impact & Blast
Electro-
Magnetics
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ELECTRIC MOTOR – MULTIPHYSICS BY DEFINITION
Thermal CFD
Mechanical Stress VibrationElectromagnetic
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IS IT POSSIBLE TO DO MULTIPHYSICS SIMULATION?
Ma chi può essere
Multifisico?Ci penso io!
Dai seriamente…
MULTYPHYSICS IS:
➢ Cross disciplines
➢ Requires different tools
➢ Complex!
© 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
SIMLAB 2019
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ALTAIR SIMLAB
Single Analysis platform that incorporates Multi-Physics using Altair Solver Solutions
© 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
MODEL CREATION
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MULTI-PHYSICS MODEL PREPARATION
✓ Identify wetted surfaces
✓ Specify mesh control
✓ Find features like holes
✓ Global mesh criteria
✓ Close Fluid Volume
✓ Generate Boundary Layer
✓ Generate Volume mesh
© 2018 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
MULTI-PHYSICS MATERIALS DEFINITION
Solid Material
Fluid Material
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FLUID-DYNAMICS ANALYSIS (CFD FOR COOLING)
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MULTI-PHYSICS CFD ANALYSIS ✓ Create new CFD solution
✓ Apply inflow condition
✓ Apply Outflow condition
✓ Wall definition
✓ Impose Thermal Flux
✓ Wall with convection
✓ Run the simulation
© 2018 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
MULTI-PHYSICS CFD ANALYSIS
✓ Termperature distribution
✓ Pressure level
✓ Convective coefficient
✓ Plot thermal curve
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THERMAL ANALYSIS
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MULTI-PHYSICS THERMAL CONDUCTION
✓ Create new solution
✓ Map previous solution
✓ Free air Convection
✓ Create contacts
✓ Run the simulation
✓ See the results
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STRESS MECHANICS
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MULTI-PHYSICS STRUCTURAL ANALYSIS
✓ Create new solution
✓ Define Contacts
✓ Constraint the structure
✓ Map temperature
✓ Run the simulation
✓ See the results
© 2018 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
MULTI-PHYSICS DYNAMICS ANALYSIS
✓ Create new solution
✓ Define contact
✓ Trasfer the constraints
✓ Run the simulation
✓ See the modal results
© 2018 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
TIME COST AND ACCURACY
Model Variation Preliminary model Accurate Model
Mesh creation 2 min 10 min
CFD Solution 10 min 2.5 hour
Thermal Analysis 2 min 4 min
Structural Analysis 3 min 8 min
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TIME COST – CFD OUTLOOK
Error on max temperature < 1%
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AND MORE
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ELECTROSTATIC WITH FLUX
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MESH DEFINITION
The grid spacing influence the final result in
terms of accuracy and level of details
Best practice can be learned on the field to
reach good expertise
SimLab che provide automatically a mesh
sensitivity study to help customer to increase
awarness in mesh prcess and get the righ
mesh size
© 2018 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
MESH CONVERGENCE STUDY
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CONCLUSIONS
✓ Single evironment for Multi-Physics approach
✓ Easy to learn
✓ Easy to use in setup definition
✓ Single post-processing
✓ Full integrate Altair Solvers
© 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.
THANK YOU FOR YOUR ATTENTION!
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