Pointwise, mesh under control Your Presenter - HPC-Forge · Pointwise, mesh under control HPC...
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Pointwise, mesh under control
HPC methods for EngineeringCINECA, 17th-19th June 2015
Your Presenter
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Your Presenter: Porto Ricerca
Our principal activity is in the CFD sector, mainly for external fluid-dynamics.
We provide:
• Consulting
• Softwares
Your Presenter
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Your Presenter
Complete set of softwares
- panel code
- Euler code
- RANS
- 2D (Mses) and 3D
CFD consulting: Aeronautics
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CFD consulting: Aeronautics
Your Presenter
Additional Modules:
- flight dynamics integration
- ice collection efficiency
- rotor
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CFD consulting: Aeronautics
Your Presenter
Collaborations with Universities
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CFD consulting: Marine sector
Your Presenter
•Free Surface •Un-steady analysis (sea-keeping)
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CFD consulting: Marine sector
Your Presenter
Optimization
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CFD consulting: Marine sector
Your Presenter
Optimization
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CFD consulting: Automotive
Your Presenter
External fluid-dynamics
Heat exchanger
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Complete Aircraft Design
Your Presenter
Risen high performance ultralight aircraft
Complete design, construction and test
S.E.A. Risen
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Softwares
Your Presenter
Analytical Methods
Pointwise
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Pointwise, mesh under control
HPC methods for EngineeringCINECA, 17th-19th June 2015
Pointwise Intro and T-Rex
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Pointwise Intro
Mesh generation for computational fluid dynamics (CFD)
- Gridgen- Pointwise
Qualityand
Flexibility
Pointwise Introduction
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Pointwise Intro
High levels of automation
Intimate levels of control (mesh metrics)
Quality
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Pointwise Intro
Hexahedral meshing
- elliptic PDE methods for smoothness, clustering and orthogonality control- hyperbolic PDE and algebraic extrusion methods
Unstructured and hybrid meshing
- T-Rex (anisotropic tetrahedral extrusion) for extruding regular layers of high-quality tetrahedra
- classic hybrid meshing via extrusion
- mixed hex-tet meshes
Quality
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Pointwise Intro
Quality
Jacobian Length I Ratio Equiarea Skewness
Volume Length J Ratio Equivolume Skewness
Component Volume Length K Ratio Centroid Skewness
Area Aspect ratio Wall Spacing
Length Smoothness I Wall Orthogonality
Length I Smoothness J Database associativity
Length J Smoothness K Boundary Proximity
Length K Minimum Included Angle Surface Procximity
Volume Ratio Maximum Included Angle
Area Ratio Equiangle Skewness
Available Metrics
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Pointwise Intro
Import CAD data from native and standard formats
Export grid and boundary conditions to open-source, commercial and standard CFD formats
Flexibility
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Pointwise Intro
FlexibilityAcuSolve Exodus II OpenFOAM TASCflow
ADPAC FALCON Overflow TEAM
ANSYS CFX FANS PATRAN Tecplot
ANSYS FLUENT FDNS/UNIC PHOENICS TETREX
CFD++ FieldView PLOT3D UCD
CFDShip-Iowa FrontFlow SCRYU UGRID
CFL3D GASP SCRYU/Tetra VRML
CGNS INCA Splitflow USM3D
CNSFV INCA V2 STAR-CCM+ VSAERO
Cobalt NASTRAN STAR-CD WIND
COMO NCC STL WIND-US
CRUNCH NPARC TACOMA XPATCH
DTNS
CFD and CAE formats supported
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Pointwise Intro
Tcl-based scripting language
Journaling and playback
Glyph
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T-Rex
T-Rex: anisotropic tetrahedral extrusion
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T-Rex
T-Rex gridT-Rex grid
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T-RexExamine: Max Included Angle and Histogram
Max Incl. Angle
T-Rex grid
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Pointwise, mesh under control
HPC methods for EngineeringCINECA, 17th-19th June 2015
Tutorial
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In every moment of mesh creation
-Modify entities
-Modify entities dimensions and spacing constraints
-Check grid quality
Mesh under control
Tutorial: Axial rotor blade structured grid
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Mesh under control
A high stagger axial rotor blade with hub, shroud and a periodic boundary surface
periodic boundary surface
bladeblade
Hub and shroud
periodic boundary surface
Geometry
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Mesh under control
Periodic Boundary Domain
Periodic boundary domain: the original and copies will be slaved together
Original domain
Copy
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Boundary Layer Block Extrusion Mesh under control
Boundary Layer Block extrusion: control of extrusion features
Extrusion settings
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Mesh under control
Boundary Layer Block extrusion
Boundary Layer Block Extrusion
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Remaining Connectors Mesh under control
Connectors for remaining topology: easy connectors creation
Initial and final pointInitial and final point
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Domain and Block assembly Mesh under control
Domain and block assembly: easy selection and creation
Easy connectors selection and domain creation
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Mesh under control
Domain and block assembly: easy selection and creation
Easy connectors and domains selection and block creation
Easy connectors and domains selection and block creation
Domain and Block assembly
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Mesh under control
Final blocks
Domain and Block assembly
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Final distribution Mesh under control
Dimensions and spacing constraints control at every stage of grid creation
Spacing constraints selected for modification
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Smoothing Mesh under control
Smoothing through the structured elliptic solver
Elliptic smoothing attributes
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Grid quality Mesh under control
Grid quality check through Minimum Included Angle
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Grid quality Mesh under control
Grid quality check through Minimum Included Angle at Trailing Edge
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Entities modification for grid quality Mesh under control
Connector shape edit and modification
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Mesh under control
Entities modification for grid quality
New grid quality check
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Pointwise, mesh under control
HPC methods for EngineeringCINECA, 17th-19th June 2015
Glyph
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Glyph
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Pointwise's Tcl-based scripting language, Glyph, provides customization capabilities
Rather than type scripts entirely by hand you can use journaling
Glyph gives the possibility to:- automate complex grids - reproduce the same grid for similar geometries (results not mesh depending)- link Pointwise to a Process Integration and Design Optimization software
Glyph
Glyph
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Glyph
Script file example: text file
Variables declaration
Glyph text file example
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GlyphExecute script
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GlyphScript executed
Database creation
Database intersection
Surface mesh
Volume mesh
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GlyphGlyph variables modification
Wing X Root Scale: from 1.20 to 1.70
Wing X Root Position: from 0.20 to 2.00
Wing X Tip Position: from 2.00 to 1.70
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GlyphScript re-executed
Database creation
Database intersection
Surface mesh
Volume mesh
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Thank you for attending.
Porto Ricerca
www.portoricerca.com
Pointwise
www.pointwise.com
for more info
more examples at
http://www.pointwise.com/webinar/