Category Archives: Research

Optimizing the Lamination Plan of a Canting Keel

In this article (link) by N. Zehnder and P. Ermanni from Center of Structure Technologies, Swiss Federal Institute of Technology Zurich, a composite boat keel’s laminate structure is optimized using various patch representations. The optimization is done using Evolutionary methods.

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Paneling Architectural Freeform Surfaces

In this rather off-topic optimization article (link) optimization for manufacturing cost reduction of paneling surfaces used in architecture is discussed. I found the topic rather interesting and decided to write about it. It is stated that due to increasing usage … Continue reading

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Buckling Optimization of Laminated Hybrid Composite Shell Structures Using Discrete Material Optimization

This article (link) titled “Buckling Optimization of Laminated Hybrid Composite Shell Structures Using Discrete Material Optimization” studies optimization of wind turbine blades using Discrete Material Optimization (DMO). First a simply supported plane is optimized using continuous fibers and foam. A … Continue reading

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THERMOPLASTIC COMPOSITE WIND TURBINE BLADES

In this thesis “THERMOPLASTIC COMPOSITE WIND TURBINE BLADES AN INTEGRATED DESIGN APPROACH”(link) by Simon JONCAS, topology optimization is deployed to design a wind turbine blade. The thesis is quite long (273 pages), topology optimization related section is chapter 7. The … Continue reading

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Implementation of molding constraints

In this article by S. Marx and A. Kristensen (link) implementation of molding constraints in topology optimization is discussed. A new algorithm is introduced. The algorithm checks the flow lines from a user defined nozzle to all the structure to … Continue reading

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Manufacturing tolerant topology optimization

Manufacturing tolerant topology optimization was researched by Ole Sigmund (link). Especially MEMS manufacturing techniques are considered like i.e. etching, e-beam lithography and laser machining. Over-etched and under etched structures were demonstrated by eroded and dilated structures. Then sensitivity analysis was … Continue reading

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GENERATING CAD PARAMETRIC FEATURES

The thesis by William Robert Blattman (link) studies generation of a parametric CAD model from topology optimization results. As I stated in many of my previous articles, interpretation of topology optimization is the weakest link in the design cycle at … Continue reading

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Bridge Optimization

In this nice presentation (link) topology optimization of bridges is elaborated. .

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Topology Synthesis of Structures Using Parameter Relaxation and Geometric Refinement

In this  technical publication (link) by Marshall Space Flight Center of NASA, topology optimization for compliant mechanisms is studied. Genetic Algorithm based optimization is used, also featuring subdivision to smooth the geometry, also geometry relaxation, so that the mesh is … Continue reading

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Multiresolution Topology Optimization (MTOP)

Tam H. Nguyen et al. developed this novel method called Multiresolution Topology Optimization (MTOP) (link), which utilizes different meshes, namely the displacement mesh , the design variable mesh and the density mesh. Using a coarse displacement mesh which is used … Continue reading

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