confidence by design workshop may-4-2012 - ansys … · confidence by design workshop may-4-2012...
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Confidence by Design WorkshopMay-4-2012
© 2011 ANSYS, Inc. May 15, 20121
T. S. Dhanasekaran, PhD.
Application Engineer
ANSYS Inc.,
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Agenda
© 2011 ANSYS, Inc. May 15, 20122
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Pre-processing Advances for CFD applications
© 2011 ANSYS, Inc. May 15, 20123
AKA 14.0 Geometry and Meshing Update
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Rapid & Robust
Top on the list of challenges engineering
companies are facing is shortened product
development schedules while at the same
time the product designs themselves are
becoming increasingly complex.
© 2011 ANSYS, Inc. May 15, 20124
Meshing of these designs introduce
challenges in terms of speed, robustness
and accuracy.
Courtesy Siemens AG.
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Workflow & Usability – Geometry Advances
We focused on enhancing your productivity
through new features, increased flexibility,
efficiency and usability
• ANSYS DesignModeler
– Core modeling improvements
– Application-specific modeling
© 2011 ANSYS, Inc. May 15, 20125
– Application-specific modeling
• ANSYS SpaceClaim Direct Modeler
– Improved Workbench integration
– Enhanced Model Preparation
• Interoperability
– Support for new CAD releases
– New CAD file readers
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• Direct entity selections are accepted
for Extrude, Revolve, Sweep and
Skin/Loft operations
• Named selections and sketches
remain supported as valid inputs for
greater automation and flexibility
Workflow & Usability – Direct Entity Input
Extrude
© 2011 ANSYS, Inc. May 15, 20126
greater automation and flexibility
Revolve
Sweep
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• Improved visualization controls for modeling and topology
verifications
• Available through View options or directly from the Toolbar
Workflow & Usability – Visualization Controls
© 2011 ANSYS, Inc. May 15, 20127
Vertex DisplayEdge Direction Display
Use it for Split or blend Topology and identify edges
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Single/Box selection toggle
• RMB + LMB combination to easily
toggle between the two selection
modes
Auto Freeze during slicing
Workflow & Usability – Add’l Enhancements Active Bodies
Bodies involved in the slice
© 2011 ANSYS, Inc. May 15, 20128
Auto Freeze during slicing
• Slice feature and Slice Material
operations are now available for all
bodies
– Both active and frozen
• Active bodies involved in the slice are
changed to frozen state automatically
Bodies involved in the slice
are changed to a frozen
state automatically
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Improved Named Selection transfer between ANSYS DesignModeler
and other ANSYS Workbench applications
New Hot Keys
Improved Error handling
• Attach failures
• Share topology failures
Workflow & Usability – Add’l Enhancements
© 2011 ANSYS, Inc. May 15, 20129
• Share topology failures
A new export property inside DesignModeler to control named selection transfer to other workbench applications
Improved error handling to
provide appropriate error and
warnings in case of failures
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Several new readers to provide two types
of interfaces for all major CAD systems for
improved productivity and flexibility
• Associative Interfaces
– Associative, parametric and Bi-directional
• Readers
– Native file readers don’t need live CAD access
Workflow & Usability – Interoperability
Pro/Engineer
Use CAD configuration manager
© 2011 ANSYS, Inc. May 15, 201210
– Native file readers don’t need live CAD access
Workbench GAMBIT reader is enhanced to
support non ACIS geometry
A new DWG Reader for AutoCAD
Improved model processing for faster and
targeted updates
Updated geometry interfaces
Pro/Engineer
ANSYS DesignModeler
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Associative Interfaces (Associative,
bidirectional and parametric)
• Creo Parametric
• Creo Elements/Pro
• Creo Elements/Direct Modeling
CAD Readers
• AutoCAD 2012*
• Creo Elements/Pro
• NX 7.5
• Inventor 2011
Workflow & Usability – Interoperability
Geometry Interfaces at R14.0
© 2011 ANSYS, Inc. May 15, 201211
• Creo Elements/Direct Modeling
• Inventor 2012
• SolidWorks 2011
• Solid Edge ST3 (103)
• Solid Edge ST4
• CATIA V5 R21
• Teamcenter 8.0. 8.1, 8.3
• Inventor 2011
• SolidWorks 2011
• Catia V5 R20
• Catia V4
• IGES and STEP
• Parasolid 24.0
• ACIS R20
• GAMBIT 2.4
* Requires an AutoCAD installation
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Improved ANSYS Workbench Integration
• Improved Associativity and data transfer
• Support for multiple design points
Preview options for Topology Sharing
• Preview sharing to view topology sharing
before transferring the model into
Workflow & Usability – ANSYS SpaceClaim
© 2011 ANSYS, Inc. May 15, 201212
before transferring the model into
Workbench
• Help detect and fix topology sharing issues
before transfer
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Volume Extract Tool Improvements
• Progress reporting
• Options to specify multiple faces as
seeds to create more than one
volume in a single step
• Option to preview face selection
Workflow & Usability – ANSYS SpaceClaim
© 2011 ANSYS, Inc. May 15, 201213
• Option to preview face selection
propagation to detect leaks during
volume extraction
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Improved Selection and Repair Options
• More Selection Options
• Select Parents
• Select Children
• ClipView option to isolate and examine
selected region
Workflow & Usability – ANSYS SpaceClaim
© 2011 ANSYS, Inc. May 15, 201214
• Multi-face patch option for fixing
missing faces
ClipViewWithout multi-face With multi-face
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Rapid & Robust Meshing
Enhanced productivity through increased automation, flexibility,
efficiency and robustness
• Assembly Meshing
– Tet and CutCell
• Performance (Speed, Robustness)
© 2011 ANSYS, Inc. May 15, 201215
• Performance (Speed, Robustness)
• Selective Meshing
• Virtual Topologies
• Hex Meshing
• ICEM CFD/TGrid
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Top-down approach meshes all parts
at once
• Uses Virtual Bodies (material
points) to automatically extract
internal regions from assemblies
• Supports:
– Meshing solids from sheet
bodies
Rapid & Robust Meshing – Assembly Meshing
Assembly Meshing
reduces time-to-mesh by
reducing/eliminating the
tedious geometry clean-up
© 2011 ANSYS, Inc. May 15, 201216
bodies
– Conformal mesh between parts
without requiring multibody
parts
– Overlapping bodies
– Tet (linear) and CutCell (hex-
dominant) mesh types
– Inflation
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Prism (inflation) layers
• Speed (~2x faster)
• Robustness
• Element/cell quality
CutCell
Rapid & Robust Meshing – Performance
Tet with inflation
© 2011 ANSYS, Inc. May 15, 201217
CutCell
• Robustness
• Cell quality
CutCell with inflation
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Persistence
• Record and replay sequence
of meshing steps
Flexibility
• Adv. Front surface meshing
• Separate min size
Rapid & Robust Meshing – Selective Control
© 2011 ANSYS, Inc. May 15, 201218
• Separate min size
for curvature & proximity
Convenience
• Contact transfers to
Fluent
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Virtual Topologies (VT)
enabling improved
automation, flexibility, and
usability:
• More interactive usage through
direct graphics interaction
rather than tree objects
Cluster 1
Cluster 2
2 Virtual Faces created.
1 for each cluster.
Rapid & Robust Meshing – Virtual Topologies
© 2011 ANSYS, Inc. May 15, 201219
rather than tree objects
• Ability to run “Auto VT” on
selected edges, faces or bodies
• Clustering of faces/edges
• Create hard vertex
• Face splits
• Improved meshing performance
w/VTs
1 for each cluster.
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Flexibility: Allows user to get mapped or swept mesh in
easier fashion
Rapid & Robust Meshing – Virtual Topologies
© 2011 ANSYS, Inc. May 15, 201220
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Rapid & Robust Meshing – Virtual Topologies
© 2011 ANSYS, Inc. May 15, 201221
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MultiZone improvements
• Handling of cylindrical side faces
• Imprinting
– Through bodies
– Through long stretches of connected
side faces
• Support for Match control
Rapid & Robust Meshing – Hex Meshing
© 2011 ANSYS, Inc. May 15, 201222
• Support for Match control
• Robustness
• SpeedSpeed improvements for multi-body
parts with swept blocks
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Productivity enhancements through
increased robustness, flexibility, and
efficiency
• Stability and usability
– >200 defects and feature requests resolved
• User interface
– Speed (display, selection)
Rapid & Robust Meshing – ICEM CFD
New Mid-side Node
Refinement option
© 2011 ANSYS, Inc. May 15, 201223
– Speed (display, selection)
– Model tree enhancements
– Enhanced Subsets
• Mesh Editing
– Enhanced Prism editing, refinement, etc.
• Hexa
– Enhanced Create, MultiZone, Split, Move,
Link, Smooth, Index control, etc.
Refinement option
Unstructured
MultiZone with
Periodicity
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Productivity enhancements through
increased robustness, flexibility, and
efficiency
• Assembly Meshing
• CutCell-to-Tet conversion with
Rapid & Robust Meshing – TGrid
© 2011 ANSYS, Inc. May 15, 201224
• CutCell-to-Tet conversion with
remeshing
• Prism speedup (~2x)
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Summary
All of these enhancements were driven in major part by
customer’s inputs and guidance, in response to real world
engineering challenges.
We are very interested in your feedback.
© 2011 ANSYS, Inc. May 15, 201225
ANSYS Geometry and
Meshing Product
Management Team
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Questions?
© 2011 ANSYS, Inc. May 15, 201226