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Sogeti High Tech GmbH, Hein-Sass-Weg 38, D-21129 Hamburg 16
Markus Longeru
Technical Leader
Analytical &
Numerical Simulation
markus.longeru@
sogeti-hightech.de
Hyperworks in the
Analysis and
Optimization of
Composite
Structures
Technical -
Optimization
Optimizing Composites
Weight Optimization of Aircraft Primary Structure
Primary Structure made of Foam Sandwich
Model:
Foam and Booster idealized with CHEXA8,
CPENTA, CTETRA Elements
CFRP Covers idealized with CQUAD4 Elements
Introduction
Technical
Workflow & Tools
Pre-Processing
Solver
Post-Processing
Optimization
Advantages
Summary &
Conclusions
Sogeti High Tech GmbH, Hein-Sass-Weg 38, D-21129 Hamburg 17
Markus Longeru
Technical Leader
Analytical &
Numerical Simulation
markus.longeru@
sogeti-hightech.de
Hyperworks in the
Analysis and
Optimization of
Composite
Structures
Technical -
Optimization
Optimizing Composites
Weight Optimization of Aircraft Primary Structure
Introduction
Technical
Workflow & Tools
Pre-Processing
Solver
Post-Processing
Optimization
Advantages
Summary &
Conclusions
Booster
Skin
Core
CTETRA
CPENTA
CHEXA
Model Created by CQUAD
own Routines
Manual Work
(Cleaning) done in
Hypermesh
Sogeti High Tech GmbH, Hein-Sass-Weg 38, D-21129 Hamburg 18
Markus Longeru
Technical Leader
Analytical &
Numerical Simulation
markus.longeru@
sogeti-hightech.de
Hyperworks in the
Analysis and
Optimization of
Composite
Structures
Technical -
Optimization
Optimizing Composites – Free-Size
CFRP Foam Sandwich Structures
Introduction
Technical
Workflow & Tools
Pre-Processing
Solver
Post-Processing
Optimization
Advantages
Summary &
Conclusions
Load:
Combined Torsion / Bending
Start plies:
3 plies (+ 45; 0; -45)
Constraints:
Displacement in Tip
Objective:
Minimize Mass
0° Plies
45° Plies
-45° Plies
Sogeti High Tech GmbH, Hein-Sass-Weg 38, D-21129 Hamburg 19
Markus Longeru
Technical Leader
Analytical &
Numerical Simulation
markus.longeru@
sogeti-hightech.de
Hyperworks in the
Analysis and
Optimization of
Composite
Structures
Technical -
Optimization
Optimizing Composites – Ply Optimization
CFRP Foam Sandwich Structures
Introduction
Technical
Workflow & Tools
Pre-Processing
Solver
Post-Processing
Optimization
Advantages
Summary &
Conclusions
Initial Sets (Global Ply Ids)
Resultant Thickness per Set
First shot Results for
45° Plys
Constraint: Design Space:
3500 με Skin only
Objective:
Minimize Mass
Sogeti High Tech GmbH, Hein-Sass-Weg 38, D-21129 Hamburg 20
Markus Longeru
Technical Leader
Analytical &
Numerical Simulation
markus.longeru@
sogeti-hightech.de
Hyperworks in the
Analysis and
Optimization of
Composite
Structures
Technical -
Optimization
Optimization Evaluation
Introduction
Technical
Workflow & Tools
Pre-Processing
Solver
Post-Processing
Optimization
Advantages
Summary &
Conclusions
Quality Performance
Hints for required fibre
directions
Essencial hints for patch
design
Number of layers needed
for applied loads
Calculation time for the
given example:
Approx. 4-5 hours
Comfortable GUI
Sogeti High Tech GmbH, Hein-Sass-Weg 38, D-21129 Hamburg 21
Markus Longeru
Technical Leader
Analytical &
Numerical Simulation
markus.longeru@
sogeti-hightech.de
Hyperworks in the
Analysis and
Optimization of
Composite
Structures
Advantages -
Commercial View
Costs
Lower Costs due to
• Time Saving
• Quick Geometry Updates
• Direct way to good mesh
quality
• Partner Program
• Licence System
Price Performance Ratio
Constant use of Units required
to use Hyperworks effectively
Partner Products
Presently in use at Sogeti High Tech:
FEMFAT
Support
Good and Quick Support
Quick & Effective Answers
　
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