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[25720] Artykuł: The Evaluation of Algorithms for Determination of the Reliability IndexCzasopismo: Archives of Civil Engineering Tom: 61, Zeszyt: 3, Strony: 133-147ISSN: 1230-2945 Wydawca: POLISH ACAD SCIENCES INST FUNDAMENTAL TECHNOLOGICAL RESEARCH, PAWINSKIEGO 5B, 02-106 WARSAW, POLAND Opublikowano: Wrzesień 2015 Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Publikacja w recenzowanym czasopiśmie wymienionym w wykazie ministra MNiSzW (część B) Punkty MNiSW: 15 Klasyfikacja Web of Science: Article DOI Web of Science Keywords: random variables  reliability index  FORM method  sensitivity of the reliability index  stability  dynamic analysis  equilibrium path  design point  |
The study deals with stability and dynamic problems in bar structures using a probabilistic approach. Structural design parameters are defined as deterministic values and also as random variables, which are not correlated. The criterion of structural failure is expressed by the condition of non-exceeding the admissible load multiplier and condition of non-exceeding the admissible vertical displacement. The Hasofer-Lind index was used as a reliability measure. The primary research tool is the FORM method. In order to verify the correctness of the calculations Monte Carlo and Importance Sampling methods were used. The sensitivity of the reliability index to the random variables was defined. The limit state function is not an explicit function of random variables. This dependence was determined using a numerical procedure, e.g. the finite element methods. The paper aims to present the communication between the STAND reliability analysis program and the KRATA and MES3D external FE programs.