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.,
Agenda
© 2011 ANSYS, Inc. May 15, 20122
Pre-processing Advances for CFD applications
© 2011 ANSYS, Inc. May 15, 20123
AKA 14.0 Geometry and Meshing Update
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.
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
• 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
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greater automation and flexibility
Revolve
Sweep
• Improved visualization controls for modeling and topology
verifications
• Available through View options or directly from the Toolbar
Workflow & Usability – Visualization Controls
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Vertex DisplayEdge Direction Display
Use it for Split or blend Topology and identify edges
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
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
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• 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
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
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
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• 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
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
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before transferring the model into
Workbench
• Help detect and fix topology sharing issues
before transfer
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
Improved Selection and Repair Options
• More Selection Options
• Select Parents
• Select Children
• ClipView option to isolate and examine
selected region
Workflow & Usability – ANSYS SpaceClaim
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• Multi-face patch option for fixing
missing faces
ClipViewWithout multi-face With multi-face
Rapid & Robust Meshing
Enhanced productivity through increased automation, flexibility,
efficiency and robustness
• Assembly Meshing
– Tet and CutCell
• Performance (Speed, Robustness)
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• Performance (Speed, Robustness)
• Selective Meshing
• Virtual Topologies
• Hex Meshing
• ICEM CFD/TGrid
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
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bodies
– Conformal mesh between parts
without requiring multibody
parts
– Overlapping bodies
– Tet (linear) and CutCell (hex-
dominant) mesh types
– Inflation
Prism (inflation) layers
• Speed (~2x faster)
• Robustness
• Element/cell quality
CutCell
Rapid & Robust Meshing – Performance
Tet with inflation
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CutCell
• Robustness
• Cell quality
CutCell with inflation
Persistence
• Record and replay sequence
of meshing steps
Flexibility
• Adv. Front surface meshing
• Separate min size
Rapid & Robust Meshing – Selective Control
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• Separate min size
for curvature & proximity
Convenience
• Contact transfers to
Fluent
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
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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.
Flexibility: Allows user to get mapped or swept mesh in
easier fashion
Rapid & Robust Meshing – Virtual Topologies
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Rapid & Robust Meshing – Virtual Topologies
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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
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• Support for Match control
• Robustness
• SpeedSpeed improvements for multi-body
parts with swept blocks
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
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– 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
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)
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
Questions?
© 2011 ANSYS, Inc. May 15, 201226