ICEM Shape Design

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04.06.2010

ICEM Shape Design FunctionsAlexander Back

Image & Data: courtesy of Jaguar Landrover UKAlexander Back 04 2010 Confidential Information

Key Messages of this DemoClass A Workflow- Modelling of caly model - scanning of clay model - import point cloud - generating scans (2d) - patch modelling via Control Points - deviation analysis - patch matching (G0, G1,gf G2, G3) - curvature analysis

Class A Functions (examples)- gap function - fillet functions with various options - blend function - accelereated surface function - specific helix function

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Class A WorkflowModelling of physical clay model by hand

Image: courtesy of GOM / EDAG Germany

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Class A WorkflowDigitizing of physical clay model Generating of STL file

Image: courtesy of GOM / EDAG GermanyAlexander Back 04 2010 Confidential Information

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Class A WorkflowImport STL (Facet) Model healing / filtering

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Class A WorkflowGenerating planar Sections (scans) from STL

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Class A WorkflowGenerating a patch by 4 points Corners are located on scan sections

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Class A WorkflowNew Dress-up: Make Control Points visible

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Class A WorkflowControl Point Modification. / Refit & Cutting Plane Analysis

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Class A WorkflowControl Point Mod. & Extrapolation & Parallel Commands

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Class A WorkflowMatching individual Bezier Patches / Theoretical Surfaces

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Class A WorkflowDetailing the surface model: Fillet / Blend / Flange / Break,

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Gaps in Automotive DesignComparison of Gaps:

Gaps in 1986 (Audi 100)

and

2006 (Audi A6)

Grojohann, Daniel: Konzeptentwicklung, Auslegung und Erprobung mehrerer komplexer, teilparametrischer Funktionen zur Fugenaustragung innerhalb von ICEM Shape Design. Hamburg, HAW Hamburg, Dept. Fahrzeugtechnik und Flugzeugbau, Dipl.-Arb., 2007

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ISD Expert functionsEnhanced Expert functions Create GapAbility to impose 2 different draft directions for each side of the gap Trimming of supports

Draft direction 1

Draft Direction 2Alexander Back 04 2010 Confidential Information

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ISD Expert functionsCreate Gap

Draft Direction 2

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GAPComplex shapes of Gaps created with one single command

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ISD Expert functionsFillet: Radius / Chord / 2 diffetent Chord values Advanced FilletNew Approximation & Output capabilities Trimming of supports Ability to define separate continuity conditions on the fillet edges. i.e. G0, G1,G2 & G3 Multiple support surfaces are now supported 2 New Fillet creation capabilities

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Advanced FilletDetailing the surface model: Fillet with 1-2 Chord Length(s)

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Surface BlendDetailing the surface model: smooth surface connection

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ISD Expert FunctionsAccelerated Surface

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Accelerated SurfacesHelping ensure the visual quality of sensible stamped areas (spring back compensation)

C2

User-controled evolution between "C2" et "r" using a patch of order 5Section A-A Created surfaces

Sensible areas

Image: courtesy of PSA France

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Accelerated SurfacesManipulation of surface area near to sharp bends to ensure smooth surface after bending (spring back compensation)

Before modification

After modificationAlexander Back 04 2010 Confidential Information

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Accelerated SurfacesNew Capabilities for Styling:

original shape

Images & data: courtesy of Audi Germany

alternative shape 1

alternative shape 2Alexander Back 04 2010 Confidential Information

Helix SurfaceExpert - Helix

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Helix SurfaceAutomotive side glass design:

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Loft SurfaceISD Expert

Loft create a Lofted surface through multiple U & V curves Control over Segmentation Control over parameterization Control over input Curve priorities . i.e. U or V

ISD AeroExpert

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Loft SurfaceLoft create a Lofted surface through multiple U & V curves Application Area: wings, turbine blades etc.

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Parallel Command SessionQuick switch between functions:

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ICEM Surf ISD Data ExchangeICEMDB Format read write to/from ISD and ICEM Surf Structure and Material info will be preserved

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ICEM Surf ISD Data ExchangeICEMDB Format read write to/from ISD and ICEM Surf Structure and Material info will be preserved

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ISD Product PortfolioICEM V5 solutions focuses on 2 industrial domains

Class A Surfacing

Aerospace Lofting

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Automotive Class A Strategy

Workflow Optimization

Capture & re-use Automated features G3, Gap Modeling

Parallel commands Associativity

Explicit Modeling Best in Class Workflow

Next Generation ICEM Surf : ICEM Surf ISD

From Explicit to Associative ClassA Modeling33

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