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Four different benchmark examples are considered in this study and each is tested against the two hole insertion criteria.
The results obtained validate the proposed optimisation method and we demonstrate a clear correlation between the two hole insertion criteria.
The hole insertion criteria used in this work are based on the von Mises stress and the topological derivative approaches.
The proposed method automatically nucleates holes within the design domain during the optimisation process using a topological derivative based hole insertion criterion.
The research work presented in this paper is based on the correlation between two hole insertion criteria in a boundary element method (BEM) and level set method (LSM) based structural topology optimisation scheme for 2D elastic problems.
The shape derivatives were combined with topological derivatives by Allaire and Jouve (2008), to propose a level set-based optimization method capable for automatic hole insertion.
Similar(54)
An example of peg-in-hole insertion task is investigated.
Automatic burr-hole insertion of 11 mm diameter was performed in the selected entry area, and, after assembling the biopsy system, a referenced needle of 1.2 mm diameter was introduced to reach the target.
To design an automatic assembly system the lid assembly operation is considered as a problem of multiple peg-in-hole insertions.
Each preloading probe had a center hole for insertion of a needle of 2.0 mm diameter.
It seems that low density and low mechanical properties of PU test blocks have resulted in dilation of holes during insertion of screws in smaller holes and so unexpectedly have reduced the pull-out forces.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com