{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T06:36:45Z","timestamp":1777703805413,"version":"3.51.4"},"reference-count":39,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2017,5,23]],"date-time":"2017-05-23T00:00:00Z","timestamp":1495497600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Intelligent &amp; Fuzzy Systems"],"published-print":{"date-parts":[[2017,5,23]]},"abstract":"<jats:p>In this paper modeling of epistemic uncertainty in reliability analysis of structures under degradation of resistance has been brought into focus. Proposing a new method, random variables has been modeled in the form of fuzzy triangular numbers and applying alpha level set optimization method based on genetic algorithm and FORM method, the fuzzy time dependent reliability index of a steel corroded beam has been determined. The proposed method is operative in the problems in which most of random variables are fuzzy sets and in nonlinear limit state functions. The fuzzy time dependent reliability index including bounds of uncertainty, offers a more comprehensive evaluation of reliability of structures compared to classic methods of time dependent reliability analysis. Survey results showed the accuracy and efficiently of the proposed method in comparison to the alternative search approaches thorough lower computational effort.<\/jats:p>","DOI":"10.3233\/jifs-161320","type":"journal-article","created":{"date-parts":[[2017,5,26]],"date-time":"2017-05-26T14:42:21Z","timestamp":1495809741000},"page":"4173-4182","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":8,"title":["Fuzzy time dependent structural reliability analysis using alpha level set optimization method based on genetic algorithm"],"prefix":"10.1177","volume":"32","author":[{"given":"Mansour","family":"Bagheri","sequence":"first","affiliation":[{"name":"Department of Civil Engineering, Birjand University of Technology, Birjand, Iran"},{"name":"Department of Civil Engineering, University of Sistan and Baluchestan, Zahedan, Iran"}]},{"given":"Mahmoud","family":"Miri","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, University of Sistan and Baluchestan, Zahedan, Iran"}]},{"given":"Naser","family":"Shabakhty","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, University of Sistan and Baluchestan, Zahedan, Iran"},{"name":"School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran"}]}],"member":"179","published-online":{"date-parts":[[2017,5,23]]},"reference":[{"key":"e_1_3_1_2_2","volume-title":"Reliability of Structures","author":"Nowak A.S.","year":"2000","unstructured":"NowakA.S., CollinsK.R., Reliability of Structures, McGraw-Hill, 2000."},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/0020-0255(78)90019-1"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2008.06.020"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1061\/(ASCE)1084-0680(2008)13:1(24)"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11071-016-2636-1"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-4730(97)00026-X"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2010.03.009"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2012.06.003"},{"key":"e_1_3_1_10_2","volume-title":"Handbook of Research on Artificial Intelligence Techniques and Algorithms","author":"Vasant P.M.","year":"2014","unstructured":"VasantP.M., Handbook of Research on Artificial Intelligence Techniques and Algorithms, IGI Global, 2014."},{"key":"e_1_3_1_11_2","doi-asserted-by":"publisher","DOI":"10.1007\/s004660000204"},{"key":"e_1_3_1_12_2","doi-asserted-by":"publisher","DOI":"10.3233\/IFS-152061"},{"key":"e_1_3_1_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0045-7949(03)00147-0"},{"key":"e_1_3_1_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2010.04.003"},{"issue":"4","key":"e_1_3_1_15_2","first-page":"1","article-title":"Calculation of fuzzy structural reliability index using \u03b1-level optimization technique","volume":"43","author":"Bagheri M.","year":"2014","unstructured":"BagheriM., MiriM. and ShabakhtyN., Calculation of fuzzy structural reliability index using \u03b1-level optimization technique, Journal of Civil and Environmental Engineering 43(4) (2014), 1\u201313.","journal-title":"Journal of Civil and Environmental Engineering"},{"issue":"2","key":"e_1_3_1_16_2","first-page":"235","article-title":"Modeling of epistemic uncertainty in reliability analysis of structures using a robust genetic algorithm","volume":"12","author":"Bagheri M.","year":"2015","unstructured":"BagheriM., MiriM. and ShabakhtyN., Modeling of epistemic uncertainty in reliability analysis of structures using a robust genetic algorithm, Iranian Journal of Fuzzy Systems 12(2) (2015), 235\u2013244.","journal-title":"Iranian Journal of Fuzzy Systems"},{"key":"e_1_3_1_17_2","first-page":"23","article-title":"Fuzzy reliability analysis using a new alpha level set optimization approach based on particle swarm optimization","volume":"30","author":"Bagheri M.","year":"2016","unstructured":"BagheriM., MiriM. and ShabakhtyN., Fuzzy reliability analysis using a new alpha level set optimization approach based on particle swarm optimization, Journal of Intelligent and Fuzzy Systems 30 (2016), 23\u201340.","journal-title":"Journal of Intelligent and Fuzzy Systems"},{"key":"e_1_3_1_18_2","doi-asserted-by":"publisher","DOI":"10.1016\/0167-4730(93)90018-V"},{"key":"e_1_3_1_19_2","volume-title":"Methods of Structural Safety","author":"Madsen H.O.","year":"2006","unstructured":"MadsenH.O., KrenkS. and LindN.C., Methods of Structural Safety, Dover Publications, 2006."},{"key":"e_1_3_1_20_2","volume-title":"Uncertainty Forecasting in Engineering","author":"M\u00f6ller B.","year":"2007","unstructured":"M\u00f6llerB., ReuterU., Uncertainty Forecasting in Engineering, Springer-Verlag, Berlin, 2007."},{"key":"e_1_3_1_21_2","doi-asserted-by":"publisher","DOI":"10.1016\/0029-5493(93)90199-J"},{"key":"e_1_3_1_22_2","doi-asserted-by":"publisher","DOI":"10.1061\/(ASCE)0733-9445(1993)119:5(1600)"},{"key":"e_1_3_1_23_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2014.10.003"},{"key":"e_1_3_1_24_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2004.03.002"},{"key":"e_1_3_1_25_2","doi-asserted-by":"publisher","DOI":"10.1016\/0304-4149(88)90037-3"},{"key":"e_1_3_1_26_2","doi-asserted-by":"publisher","DOI":"10.1115\/1.2919926"},{"key":"e_1_3_1_27_2","doi-asserted-by":"publisher","DOI":"10.1016\/0266-8920(94)00008-9"},{"issue":"1","key":"e_1_3_1_28_2","first-page":"1","article-title":"Computational techniques in stationary and nonstationary load combination-a review and some extensions","volume":"25","author":"Rackwitz R.","year":"1998","unstructured":"RackwitzR., Computational techniques in stationary and nonstationary load combination-a review and some extensions, Structural Engineering 25(1) (1998), 1\u201320.","journal-title":"Structural Engineering"},{"key":"e_1_3_1_29_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruc.2005.10.006"},{"key":"e_1_3_1_30_2","doi-asserted-by":"publisher","DOI":"10.1061\/(ASCE)0899-1561(2008)20:9(578)"},{"key":"e_1_3_1_31_2","volume-title":"Notes in Structural Reliability Theory and Risk Analysis","author":"Sorensen J.D.","year":"2004","unstructured":"SorensenJ.D., Notes in Structural Reliability Theory and Risk Analysis, Aalborg, 2004."},{"key":"e_1_3_1_32_2","first-page":"111","article-title":"Exact and invariant second moment code format","volume":"100","author":"Hasofer A.M.","year":"1974","unstructured":"HasoferA.M. and LindN.C., Exact and invariant second moment code format, Engineering Mechanics 100 (1974), 111\u2013121.","journal-title":"Engineering Mechanics"},{"key":"e_1_3_1_33_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-4730(00)00027-8"},{"key":"e_1_3_1_34_2","volume-title":"Fuzzy logic for embedded systems applications","author":"Ahmad M.I.","year":"2004","unstructured":"AhmadM.I., Fuzzy logic for embedded systems applications, Newnes publications, 2004."},{"key":"e_1_3_1_35_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-662-07358-2"},{"key":"e_1_3_1_36_2","volume-title":"Genetic Algorithms in search, optimization and machine learning","author":"Goldberg D.E.","year":"1989","unstructured":"GoldbergD.E., Genetic Algorithms in search, optimization and machine learning, Addison-Wesley, 1989."},{"key":"e_1_3_1_37_2","volume-title":"Handbook of Research on Novel Soft Computing Intelligent Algorithms: Theory and Practical Applications","author":"Vasant P.M.","year":"2013","unstructured":"VasantP.M., Handbook of Research on Novel Soft Computing Intelligent Algorithms: Theory and Practical Applications, IGI Global, 2013."},{"key":"e_1_3_1_38_2","unstructured":"BagheriM. Fuzzy Structural Reliability Analysis using Heuristic Algorithms Ph. D Thesis In partial fulfillment of the requirements for the degree of Doctor of Philosophy University of Sistan and Baluchestan Zahedan Iran 2015."},{"key":"e_1_3_1_39_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-4730(00)00018-7"},{"key":"e_1_3_1_40_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ress.2003.10.005"}],"container-title":["Journal of Intelligent &amp; Fuzzy Systems"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/JIFS-161320","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.3233\/JIFS-161320","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/JIFS-161320","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T09:39:39Z","timestamp":1777455579000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.3233\/JIFS-161320"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,5,23]]},"references-count":39,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2017,5,23]]}},"alternative-id":["10.3233\/JIFS-161320"],"URL":"https:\/\/doi.org\/10.3233\/jifs-161320","relation":{},"ISSN":["1064-1246","1875-8967"],"issn-type":[{"value":"1064-1246","type":"print"},{"value":"1875-8967","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,5,23]]}}}