Topology optimization considering fatigue life in the frequency domain
- Authors
- Lee, Jong Wook; Yoon, Gil Ho; Jeong, Seung Hyun
- Issue Date
- Oct-2015
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Topology optimization; Fatigue life; Narrow band solution; Wirsching and Light method; Ortiz and Chen method; Dirlik method
- Citation
- COMPUTERS & MATHEMATICS WITH APPLICATIONS, v.70, no.8, pp.1852 - 1877
- Indexed
- SCIE
SCOPUS
- Journal Title
- COMPUTERS & MATHEMATICS WITH APPLICATIONS
- Volume
- 70
- Number
- 8
- Start Page
- 1852
- End Page
- 1877
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156252
- DOI
- 10.1016/j.camwa.2015.08.006
- ISSN
- 0898-1221
- Abstract
- This research develops a new topological optimization (TO) method to assess dynamic fatigue failure in the frequency domain for random excitation forces. Besides static failure, fatigue life (or fatigue failure) is an important design criterion for the safety of mechanical and building structures. Therefore, many assessment theories and computational approaches have been proposed, and they can be divided into two categories: time domain and frequency domain. Although both approaches have been successfully applied for engineering purposes, they are rarely considered in structural TO. To consider fatigue failure caused by stochastic mechanical loads in structural TO, this research adopts fatigue assessment approaches in the frequency domain, such as narrow band solution, the Wirsching and Light method, the Ortiz and Chen method, and Dirlik method. For TO, we perform an adjoint sensitivity analysis with those fatigue assessment methods. We consider some two-dimensional benchmark problems and show that the present design method successfully constrains fatigue.
- Files in This Item
-
Go to Link
- Appears in
Collections - 서울 공과대학 > 서울 기계공학부 > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156252)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.