NDLI: An accurate penalty-based approach for reliability-based design optimization

Please wait, while we are loading the content...

An accurate penalty-based approach for reliability-based design optimization

Content Provider	Springer Nature Link
Author	Li, Fan Wu, Teresa Hu, Mengqi Dong, Jin
Copyright Year	2009
Abstract	A typical reliability-based design optimization (RBDO) problem is usually formulated as a stochastic optimization model where the performance of a system is optimized with the reliability requirements being satisfied. Most existing RBDO methods divide the problem into two sub-problems: one relates to reliability analysis, the other relates to optimization. Traditional approaches nest the two sub-problems with the reliability analysis as the inner loop and the optimization as the outer loop. Such nested approaches face the challenge of prohibitive computational expense that drives recent research focusing on decoupling the two loops or even fundamentally transforming the two-loop structure into one deterministic optimization problem. While promising, the potential issue in these computationally efficient approaches is the lowered accuracy. In this paper, a new decoupled approach, which performs the two loops sequentially, is proposed. First, a deterministic optimization problem is solved to locate the means of the uncertain design variables. After the mean values are determined, the reliability analysis is performed. A new deterministic optimization problem is then restructured with a penalty added to each limit-state function to improve the solution iteratively. Most existing research on decoupled approaches linearizes the limit-state functions or introduces the penalty into the limit-state functions, which may suffer the approximation error. In this research, the penalty term is introduced to change the right hand side (RHS) value of the deterministic constraints. Without linearizing or transforming the formulations of limit-state function, this penalty-based approach effectively improves the accuracy of RBDO. Comparison experiments are conducted to illustrate how the proposed method obtains improved solutions with acceptable computational cost when compared to other RBDO approaches collected from literature.
Starting Page	87
Ending Page	98
Page Count	12
File Format	PDF
ISSN	09349839
Journal	Research in Engineering Design
Volume Number	21
Issue Number	2
e-ISSN	14356066
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-12-15
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Reliability-based design optimization (RBDO) Most probable point (MPP) First-order reliability method (FORM) Probabilistic optimization Uncertainty Computer-Aided Engineering (CAD, CAE) and Design Engineering Design
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Architecture Mechanical Engineering Civil and Structural Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Sensitivity Analyses of FORM-Based and DRM-Based Performance Measure Approach for Reliability-Based Design Optimization

Experience with approximate reliability-based optimization methods II: an exhaust system problem

Reliability-based design optimization strategies based on FORM: a review

Reliability-based design optimization strategies based on FORM: a review

Correspondence

An integrated design and optimization environment for industrial large scaled systems

A probabilistic design system for reliability-based design optimization

Reliability centered prediction technique for diagnostic modeling and improvement

Feature-based classifiers for design optimization

An accurate penalty-based approach for reliability-based design optimization

Similar Documents

Sensitivity Analyses of FORM-Based and DRM-Based Performance Measure Approach for Reliability-Based Design Optimization

Experience with approximate reliability-based optimization methods II: an exhaust system problem

Reliability-based design optimization strategies based on FORM: a review

Reliability-based design optimization strategies based on FORM: a review

Correspondence

An integrated design and optimization environment for industrial large scaled systems

A probabilistic design system for reliability-based design optimization

Reliability centered prediction technique for diagnostic modeling and improvement

Feature-based classifiers for design optimization

An accurate penalty-based approach for reliability-based design optimization