Temat: cascade effect - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: How to investigate and assess combination of hazards
Autorzy:: Berg, H. P.
Powiązania:: https://bibliotekanauki.pl/articles/2069232.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: hazards
domino effect
cascade effect
multi-hazard
assessment
Opis:: Operating experience from different types of industrial installations has shown that combinations of different types of different hazards occur during the entire lifetime of the installations. Typically site specific occurring hazards cause or induce other hazards to occur. In particular, natural hazards rarely happen alone. Thus, it is very important to note that almost any event combination of hazards is possible and that it is necessary to identify these interactions and find ways to mitigate the effects of hazard combinations. Therefore, it is a basic task to investigate and assess the relevant combination of hazards not only for a single installation but for the respective site/industrial park. In that context domino effects and cascade effects pose particular challenges for risk management to prevent industrial accidents.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 1; 1--12
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A modelling of disruptions cascade effect within a rail transport system facing a flood hazard
Autorzy:: Gonzva, M.
Barroca, B.
Gautier, P. E.
Diab, Y.
Powiązania:: https://bibliotekanauki.pl/articles/2069263.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: rail transport system
flood hazard
cascade effect modelling
dependability methods
Opis:: The vulnerability of rail transport systems facing flood hazard, increased by the climate change, is a burning issue for the future urban risks management. Analysing the resilience of rail transport systems against flood hazard appears necessary for improving the proper functioning of cities that strongly depend on such critical infrastructures. The critical infrastructures are complex systems in which the components are particularly interdependent. This interdependency implies many failures caused by cascade effect within the system. From dependability methods, this paper provides a global methodology in order to automatically produce the chains of failures caused by cascade effect within a rail transport system facing to a flood hazard.
Źródło:: Journal of Polish Safety and Reliability Association; 2015, 6, 3; 53--60
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Decision Making in Crisis Management : Time Criticality Assessment
Autorzy:: Eid, M.
Souza de Cursi, E.
Abdelkhalak, E.
Powiązania:: https://bibliotekanauki.pl/articles/2068868.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: cascade
domino
effect
model
critical infrastructures protection
CIP
MS&A
dynamic
decision making
time criticality
Opis:: The paper is proposing a methodology for assessing the time-criticality in the scope of a crisis resulting from a cascade of disruptions of a set of Critical Infrastructures (CIs). The success of the management of the crisis depends on taking the good decisions and undertaking the corresponding actions at the good timing. Identifying time intervals for decisions and actions requires dynamic models capable to assess the crisis time evolution. While, measuring the “criticality” of different time-intervals requires the use of suitable metrics. Based on previous works for modelling cascade of CIs’ disruptions incorporating CIs dependency and vulnerability, the authors propose a methodology to assess the time-criticality and propose the appropriate metrics. The methodology is based on the idea of comparing the time-profile of a given cascade of disruptions between two configurations: unstressed and stressed CIs. The CIs become stressed under the action of a threat and combined with the dependency between CIs. The unstressed configuration represents a risk-noise. Two metrics are proposed in order to carry on the comparison between the time-profiles of the stressed and the unstressed CIs. The proposed metrics are: the time to attend 90% of the asymptotic occurrence probability and the time to attend the most probable occurrence rate, describing the cascade likelihood. An academic case is presented in order to demonstrate the applicability of the methodology and illustrate some interesting features.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 1; 13--22
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: An algorithmic tool for supporting risk and root-cause analysis of critical incidents in Baltic Sea Region ports
Autorzy:: Malinowski, Jacek
Powiązania:: https://bibliotekanauki.pl/articles/2068693.pdf
Data publikacji:: 2019
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical incident
cause-effect relation
cascade of events
initiating event
secondary event
stochastic modeling
Poisson process
risk analysis
root-cause analysis
Opis:: This paper is both a summarization and extension of [6] and [7], where a stochastic model of interacting operations carried out in a generic Baltic Sea Region port was proposed and analyzed. Each operation involves a number of possible unwanted events (critical incidents) whose instances occur randomly and can cause instances of other events affecting this or other operations. This can lead to a cause-effect chain of events affecting one or multiple operations. The model presented in [6] is somewhat complex, therefore it was downgraded to a simpler, application-oriented version demonstrated in [7], where an algorithm computing the risks of critical incidents is constructed and then applied to a real-life example. The current paper, apart from presenting a method of computing the risks of critical incidents, occurring by themselves or resulting from the cascade effect, also features a method of root-cause analysis of such incidents. First, the formulas for the root-cause probabilities are derived, where such a probability quantifies the likelihood that a critical incident occurring in step h of a cascade was caused by another incident that initiated this cascade. Second, an algorithm computing the root-cause probabilities, based on the derived formulas, is constructed. This algorithm is illustrated by its application to the example given in [7]. The presented results can be used as a tool for fault propagation analysis and fault diagnosis applied not only to a port environment, but to any complex industrial system.
Źródło:: Journal of Polish Safety and Reliability Association; 2019, 10, 1; 127--136
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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