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#DTT17: Topology optimized in design for additive manufacturing, Erin Komi VTT
1. VTT TECHNICAL RESEARCH CENTRE OF FINLAND LTD
Topology optimization in
design for additive
manufacturing
Erin Komi
Erin.Komi@vtt.fi
#DTT17
2. 215/03/2017 2
Motivation
Metal additive
manufacturing is quickly
becoming an interesting and
viable business solution
New approaches to
component design are
necessary to sufficiently
take advantage of the
geometric freedom that AM
allows
#DTT17
3. 315/03/2017 3
Design approach
#DTT17
Benefit
more
from AM
Systematic
concept
design
Minimize
use of
material
New
functionality
Minimize
post-
processing
Optimize: topology, shape,
size
Take advantage of
geometric freedom
• Lattice structures
• Internal channels
• Internal cavities
• Part consolidation
• Optimize print orientation
• Self-supporting shapes
Simulation based design Properties of a
successful AM
product
• New functionality
• Lightweight, compact
• Short build time
• Single consolidated
part
• No assembly needed
• Minimal machining &
finishing
4. 415/03/2017 4
Design Concept Generation
Interpret Results
& Remesh
Validate
Optimized Design
Geometry
Design Space Create FE Model Topology Optimization
Finalize Design
Print
Preparation
http://www.vttresearch.com/
Erin.Komi@vtt.fi
5. 515/03/2017 5
Results
#DTT17
-79%
-76%
• Considerable mass
reduction
• Added
functionality
• Energy and cost
savings during
operation
• Reduced likelihood
of failure during
operation
-86%
In cooperation with:
-38%
In cooperation with:
In cooperation with: