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European Virtual Engineering Network – EVEN
EVEN
VIRTUAL ENGINEERING: NUMERICAL INTEGRATION
INGENIERIE VIRTUELLE : INTEGRATION NUMERIQUE
EVEN WORKSHOP, NANCY, AIP-Lorrain, CRAN
10th October 2003
European Virtual Engineering Network – EVEN
EVEN
GROWTH PROGRAM:Proposal number: GTC2-2000-33012Project acronym: EVENProject full title: European Virtual Engineering NetworkWorkpackage: Technical WorkshopsWorkpackage #: 4
European Virtual Engineering Network – EVEN
European Virtual Engineering Network – EVEN
Presentation of ourselves
CRAN Nancy
IRCCyNNantes
European Virtual Engineering Network – EVEN
Part of Virtualengineering field :Rapid design and
manufacturingprocess
Point clouds or discrete informations
like contours
CAD model
Scanning process
Direct CAD definition
STL file
Layer manufactured
part
Conversion
Layer-based manufacturing
Layer manufactured
tool
Prototype tool
Rapid tooling
Final prototype
Measurement
Point clouds or discrete informations
like contours
CAD model
Scanning process
Direct CAD definition
STL file
Layer manufactured
part
Conversion
Layer-based manufacturing
Layer manufactured
tool
Prototype tool
Rapid tooling
Final prototype
Measurement
Source : CRAN
European Virtual Engineering Network – EVEN
Cost objective design
Source : CRAN/SMC Colombiers
European Virtual Engineering Network – EVEN
Better products for consumers
Mass customization
Source : Ping Fu (Geomagic)
European Virtual Engineering Network – EVEN
Digitisation and C.A.D.
Cooling channels study:a thermal shield
Slicing
Design and manufacturing of tools
Source : CIRTES
European Virtual Engineering Network – EVEN
Design for surgery
Source : AFPR/Vigie PR
European Virtual Engineering Network – EVEN
Quality control and validation
European Virtual Engineering Network – EVEN
100,000
3000
300
Reduction of Geometric models
Based on:
Reduction of the number of polygons
What is important:
8 topology preservation
8 arbitrary surfaces (not just 2-manifolds with boundary)
8 “isosceles” error measure tofavor equilateral triangles
Source : Ping Fu (Geomagic)
European Virtual Engineering Network – EVEN
CAD model
Positionsprocessing Sensor path
processing
Simulation of path for each position
Scanning forthe all positions
Error mapgeneration
Point cloudprocessing
European Virtual Engineering Network – EVEN
CADCAD
VirtualVirtualassemblyassembly
Tele-Tele-MedecineMedecine
Tele - DetectionTele - Detection
SimultaneousSimultaneousengineeringengineering
Haptic devicesHaptic devices
ImmersionImmersion
DigitalDigitalMockupMockup
Source : CEA/PERF-RV
European Virtual Engineering Network – EVEN
Les principales thématiques
Maillage : Élémentsvolumique,surfaciques,linéaires
HUman
MOdel
for Safety
HUman
MOdel
for Safety
European Virtual Engineering Network – EVEN
Les pistes prospectives
Pour aujourd’hui ou pour demain ?
Réellement accessible aux PME ?
Les coûts ?
Les compétences ?
Quel niveau d’intégration ?