A multi-objective topology optimisation for 2D electro-magnetic wave problems with the level set method and BEM

2016 ◽  
Vol 25 (1-2) ◽  
pp. 165-193 ◽  
Author(s):  
Hiroshi Isakari ◽  
Kenta Nakamoto ◽  
Tatsuya Kitabayashi ◽  
Toru Takahashi ◽  
Toshiro Matsumoto
Keyword(s):  
Level Set Method ◽  
Level Set ◽  
Topology Optimisation ◽  
Magnetic Wave ◽  
Multi Objective ◽  
Electro Magnetic ◽  
Wave Problems

A shape and topology optimisation of electro-magnetic devices using the level set method

2018 ◽  
Vol 2018.31 (0) ◽  
pp. 308
Author(s):  
Kei MATSUSHIMA ◽  
Hiroshi ISAKARI ◽  
Toru TAKAHASHI ◽  
Toshiro MATSUMOTO
Keyword(s):  
Level Set Method ◽  
Level Set ◽  
Topology Optimisation ◽  
Magnetic Devices ◽  
And Topology ◽  
Electro Magnetic

scholarly journals A topology optimisation for three-dimensional acoustics with the level set method and the fast multipole boundary element method

2014 ◽  
Vol 1 (4) ◽  
pp. CM0039-CM0039 ◽  
Author(s):  
Hiroshi ISAKARI ◽  
Kohei KURIYAMA ◽  
Shinya HARADA ◽  
Takayuki YAMADA ◽  
Toru TAKAHASHI ◽  
...  
Keyword(s):  
Boundary Element Method ◽  
Boundary Element ◽  
Level Set Method ◽  
Level Set ◽  
Three Dimensional ◽  
Topology Optimisation ◽  
Fast Multipole ◽  
Element Method

scholarly journals Performance assessment of density and level-set topology optimisation methods for three dimensional heat sink design

2018 ◽  
Vol 12 (3) ◽  
pp. 273-287 ◽  
Author(s):  
Mani Sekaran Santhanakrishnan ◽  
Timothy Tilford ◽  
Christopher Bailey
Keyword(s):  
Level Set Method ◽  
Level Set ◽  
Heat Sink ◽  
Three Dimensional ◽  
Engineering Problem ◽  
Topology Optimisation ◽  
Design Quality ◽  
Advantages And Disadvantages ◽  
Computational Speed ◽  
Heat Sink Design

In this paper, two most prevalent topological optimisation approaches namely Density and Level set method are applied to a three dimensional heat sink design problem. The relative performance of the two approaches is compared in terms of design quality, robustness and computational speed. The work is original as for the first time it demonstrates the relative advantages and disadvantages for each method when applied to a practical engineering problem. It is additionally novel in that it presents the design of a convectively cooled heat sink by solving full thermo-fluid equations for two different solid-fluid material sets. Further, results are validated using a separate computational fluid dynamics study with the optimised designs are compared against a standard pin-fin-based heat sink design. The results show that the Density method demonstrates better performance in terms of robustness and computational speed, while Level-set method yields a better quality design in terms of final objective value.

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