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04.06.2010 1 Alexander Back 04 2010 Confidential Information ICEM Shape Design Functions Alexander Back Image & Data: courtesy of Jaguar Landrover UK Alexander Back 04 2010 Confidential Information Key Messages of this Demo Class 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

ICEM Shape Design

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Page 1: ICEM Shape Design

04.06.2010

1

Alexander Back 04 2010 Confidential Information

ICEM Shape Design

Functions

Alexander Back

Image & Data: courtesy of Jaguar Landrover UK

Alexander Back 04 2010 Confidential Information

Key Messages of this Demo

Class 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 Workflow

Modelling of physical clay model by hand

Image: courtesy of GOM / EDAG Germany

Alexander Back 04 2010 Confidential Information

Class A Workflow

Digitizing of physical clay model

Generating of STL file

Image: courtesy of GOM / EDAG Germany

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Class A Workflow

Import STL (Facet) Model

healing / filtering

Alexander Back 04 2010 Confidential Information

Class A Workflow

Generating planar

Sections (scans) from STL

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Class A Workflow

Generating a patch by 4 points

Corners are located on scan sections

Alexander Back 04 2010 Confidential Information

Class A Workflow

New Dress-up: Make Control Points visible

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Class A Workflow

Control Point Modification. / Refit & Cutting Plane Analysis

Alexander Back 04 2010 Confidential Information

Class A Workflow

Control Point Mod. & Extrapolation & Parallel Commands

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Class A Workflow

Matching individual Bezier Patches / Theoretical Surfaces

Alexander Back 04 2010 Confidential Information

Class A Workflow

Detailing the surface model: Fillet / Blend / Flange / Break, …

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Gaps in Automotive Design

Großjohann, 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

Comparison of Gaps:

Gaps in 1986 (Audi 100) and 2006 (Audi A6)

Alexander Back 04 2010 Confidential Information

Enhanced Expert functions

Create GapAbility to impose 2 different draft directions for each side of

the gap

Trimming of supports

Draft Direction 2

Draft direction 1

• ISD Expert functions

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Create Gap

Draft Direction 2

• ISD Expert functions

Alexander Back 04 2010 Confidential Information

GAP

Complex shapes of Gaps created with one single command

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Fillet: 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

• ISD Expert functions

Alexander Back 04 2010 Confidential Information

Advanced Fillet

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

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Surface Blend

Detailing the surface model: smooth surface connection

Alexander Back 04 2010 Confidential Information

Accelerated Surface

ISD Expert Functions

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Accelerated Surfaces

Helping ensure the visual quality of sensible

stamped areas (spring back compensation)

C2

User-controled evolution between "C2" et "r" using a patch of order 5

Section A-ACreated surfaces

Sensible areas

Image: courtesy of PSA France

Alexander Back 04 2010 Confidential Information

Accelerated Surfaces

Manipulation of surface area near to sharp bends

to ensure smooth surface after bending

(spring back compensation)

Before modification After modification

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Accelerated Surfaces

New Capabilities for Styling:

alternative shape 1 alternative shape 2

original shape

Images & data:

courtesy of Audi Germany

Alexander Back 04 2010 Confidential Information

Helix Surface

Expert - Helix

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Helix Surface

Automotive side glass design:

Alexander Back 04 2010 Confidential Information

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 Expert

ISD AeroExpert

Loft Surface

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Loft

create a Lofted surface through multiple U & V curves

Application Area: wings, turbine blades etc.

Loft Surface

Alexander Back 04 2010 Confidential Information

Parallel Command Session

Quick switch between functions:

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ICEM Surf ISD Data Exchange

ICEMDB Format read write to/from ISD and ICEM Surf

Structure and Material info will be preserved

Alexander Back 04 2010 Confidential Information

ICEM Surf ISD Data Exchange

ICEMDB Format read write to/from ISD and ICEM Surf

Structure and Material info will be preserved

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ISD Product Portfolio

ICEM V5 solutions focuses on 2 industrial domains

Class A Surfacing

Aerospace Lofting

Alexander Back 04 2010 Confidential Information

ICEM Surf

33

Next Generation

ICEM Surf :

ISD

Work

flow

Optim

ization

From Explicit to Associative ClassA Modeling

Parallel

commands

Automated features

G3, Gap Modeling

Capture & re-use

Associativity

Automotive Class A Strategy

Explicit Modeling

Best in Class

Workflow