Title: Incorporation of flexural hinge fatigue-life cycle criteria into the topological design of compliant small-scale devices
Authors: Dirksen, Frank 
Anselmann, Mathias 
Zohdi, Tarek I.
Lammering, Rolf  
Language: en
Keywords: Universitätsbibliographie;Verfasser;Aufsatz in Zss;Review (in Zss oder Buch);Evaluation 2013
Subject (DDC): Ingenieurwissenschaften
Issue Date: 2013
Document Type: Article
Source: In: Precision engineering. - Guildford : IPC Science and Technology Press, 1979- ; ZDB-ID: 444597-1 . - Bd. 37.2013, 3, Seite 531-541
Journal / Series / Working Paper (HSU): Precision Engineering 
Volume: 37
Issue: 3
Page Start: 531
Page End: 541
Abstract: 
The design synthesis of compliant mechanisms yields optimized topologies that combine several stiff parts with highly elastic flexural hinges. The hinges are often represented in a finite element analysis by a single node (one-node hinge), which leaves the actual physical meaning of the hinge (to be fabricated) ambiguous. In order to circumvent this problem, in this work, one-noded hinges have the fatigue-life incorporated into them during the design synthesis by embedding analytical expressions accounting for stress concentration, surface finish, non-zero mean stresses and superposed multiple loading conditions into the formulation. Various flexural hinges with rectangular, circular and parabolic profile geometries are investigated. By incorporating the hinge geometry and fatigue behavior into the design process, unclear interpretation issues that would be encountered during any later manufacturing stage of a compliant mechanism design are removed. Examples are provided to illustrate the overall process. © 2013 Elsevier Inc.
Organization Units (connected with the publication): Mechanik 
URL: https://ub.hsu-hh.de/DB=1.8/XMLPRS=N/PPN?PPN=813084040
ISSN: 01416359
DOI: 10.1016/j.precisioneng.2012.12.005
Rights: 4.0 deutsch
Appears in Collections:2013

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