understand your design - prace research … your design parametric workflow in ansys prace autumn...
TRANSCRIPT
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Understand Your Design Parametric Workflow in ANSYS
PRACE Autumn School 2013 - Industry Oriented HPC Simulations, September 21-27,
University of Ljubljana, Faculty of Mechanical Engineering, Ljubljana, Slovenia
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Multiphysics Analysis of an Electric-Thermal Actuator
Mirror actuator in a DLP projector
Electric field & Joule heating
Thermal strain and deformation
Thermal Actuator
Mirror
Array of Thermal Actuators
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Multiphysics in one environment by coupling of simulation systems
Parametric persitency for all included simulations
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The ANSYS Workbench philosophy:
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Thermal-electric Actuator
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Silizium
Thermal-electric analysis for joule
heating
0.1 V on Pins
Convection 11W/m²K on actuator
22° on Pins
Parametric persistency
From electric-thermal to structural FEA
Understand variation
of Voltage, Length, Thickness
on Temperature, Deformation
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CAD
Material properties
Boundaries
ANSYS
APDL
Excel Mesh
Overview of all
parameters in the
parameter set
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Where to get the parameters
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CAD-Model Variation
Judge design alternatives in shape and sizing
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Bidirectional CAD interfaces
working with parametric
CAD models build the basis
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ANSYS DesignModeler
ANSYS SpaceClaim Direct Modeler
Autodesk Inventor
Creo Parametric (früher ProE)
CATIA V5
NX
Solid Edge
Solid Works
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Which CAD system provides parametric interfaces?
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CAD Parameters
Create some parameters in your CAD System (Here: Pro/E)
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Use the SpaceClaim Direct Modeler
Easy parametrization of „static“ geometry files (STEP, Parasolid) in SCDM
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Parametric Material Modeling
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Material Parameters often
application specific
Damping
Friction
Stiffness
Yield point
Failure
…
Identification of relevant parameters
by systematic variation
Source: Microconsult Engineering
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MS Excel
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You have geometric conditions
that have to be pre-calculated?
You have your own result evaluation
routines?
You want to do additional postprocessing
regarding external criteria?
Use and link MS Excel for additional pre- and postprocessing!
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Fully Automated Simulation Workflows in APDL
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Example: Spring simulation at Muhr
und Bender
Complete workflow
Geometry modeling
Loads
Simulation
Result calculation
Classic model setup by ANSYS
Parametric Design Language APDL
Text file drives workflow
Numbers in text files can
be set as parameters
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Each parameter that is created by name=.., *get,.. or *set,.. in an APDL
Makro can be transfered to the parameter set.
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Fully Automated Simulation Workflows in APDL