Aleatory and epistemic uncertainty
A Hybrid Method to Deal with Aleatory and Epistemic Uncertainty in Risk Assessment
... by uncertainty. Some model parameters are affected by aleatory uncertainty and some others are affected by epistemic ...of uncertainty within the same computation of ...
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Aerodynamic design optimization of wind turbine airfoils under aleatory and epistemic uncertainty
... of uncertainty affecting the code ...an uncertainty too. This paper assumes that the DL is an aleatory uncertainty, and therefore enough data are available to define it through a probability ...
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An Approach to Deal with Aleatory and Epistemic Uncertainty within the Same Framework: Case Study in Risk Assessment
... of uncertainty (Dutta et ...by aleatory uncertainty and some parameters are affected by epistemic uncertainty, how far computation of the risk is concern, one can either transform all ...
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Collision and re-entry analysis under aleatory and epistemic uncertainty
... the epistemic uncertainty associated to the four model parameters could be quantified with families of beta distributions with unknown parameters α, β ∈ [1, ...the aleatory variables and the worst ...
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Load factor in case when separating aleatory uncertainty and epistemic uncertainty
... The uncertainty exists in loads acting on a ...this uncertainty contains both aleatory uncertainty and epistemic ...from aleatory uncertainty is invariable, while that ...
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Fragility evaluation with aleatory and epistemic uncertainty against fault displacement for nuclear power plant buildings
... Japan Nuclear Safety Institute had recently reported the pioneering deterministic evaluation approach for nuclear power plant under seismic induced fault displacement. But the uncertainty of fault displacement ...
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Epistemic uncertainty, subjective probability, and ancient history
... all uncertainty. The apparently obvious distinction between aleatory and epistemic uncertainty is in fact deeply ...My uncertainty about the outcome of a coin toss, for example, is ...
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Conservative reasoning about epistemic uncertainty for the probability of failure on demand of a 1-out-of-2 software-based system in which one channel is "possibly perfect"
... both aleatory and epistemic uncertainty need to be taken into ...assessor’s uncertainty about two pfds and their dependence, when (as seems likely) these three are not ...
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On the predictability of land surface fluxes from meteorological variables
... separate aleatory and epistemic ...(higher aleatory uncertainty), then it is possible that there is more scope for improving the model in the first environment (where epistemic ...
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Flood risk assessment and associated uncertainty
... separating aleatory and epis- temic uncertainty and the use of second-order Monte Carlo- simulations are subject of an ongoing debate within the sci- entific ...with epistemic uncertainty ...
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Modeling the probability of failure on demand (pfd) of a 1-out-of-2 system in which one channel is “quasi-perfect”
... of uncertainty: aleatory uncertainty and epistemic ...concerns uncertainty in the world – in our case, uncertainty about the channel failures and their impact upon system ...of ...
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Surface Earthquake Fault Simulation Using High Performance Computing for Consideration of Uncertainty
... the epistemic uncertainty includes the uncertainties of the strikes and dips of fault planes and slip distribution across the primary fault plane and its slip ...the epistemic uncertainty and ...
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Uncertainty Management in Multidisciplinary Design of Critical Safety Systems
... the aleatory and epistemic spaces and their propagation through the ...true uncertainty model after all epistemic uncertainty has been ...the epistemic space that appears after ...
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Uncertainty Assessment of Structural Modeling in the Seismic Response Analysis of Nuclear Facilities
... SPRA, uncertainty can be classified as either aleatory uncertainty ...or epistemic uncertainty ...the epistemic uncertainty caused by the lack of knowledge, if ...the ...
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Space systems resilience engineering and global system reliability optimisation under imprecision and epistemic uncertainty
... properly. Uncertainty overestimation can lead to significant increase of the ...and uncertainty quantification methods for engineering ...the uncertainty into two categories: aleatory ...
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Probabilistic flood hazard mapping: effects of uncertain boundary conditions
... by uncertainty, which often can- not be neglected; (2) a fair presentation of the results of any analysis should also quantify and illustrate the associated un- certainty, and this can be accomplished only in a ...
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Uncertainty Propagation in Seismic Probabilistic Risk Assessment – Case Study
... the aleatory variability, where a log-SD of ...the epistemic uncertainty about the adopted BE values. An epistemic log-SD of ...compounded uncertainty, accounting for both ...
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Joint Propagation of Ontological and Epistemic Uncertainty across Risk Assessment and Fuzzy Time Series Models
... both uncertainty and randomness in one or more input variables. Uncertainty in the parameter estimates can be represented in a PRA model as ...deviation. Uncertainty in the mean is described by the ...
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Hedges as metadiscourse in Pakistani english newspaper editorials: a corpus based study
... are uncertainty markers that writers use to soften and make a writer’s uncertain about the ...of uncertainty, Conditional clauses, and Impersonal Expressions and Reported ...create uncertainty and ...
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Quantification and modelling of epistemic uncertainties for availability risk of future offshore wind farms using expert judgement
... The trigger probabilities questionnaire supports elici- tation of the information necessary to determine the parameters of the model given in Equation (5). In ef- fect we are assessing the relative weights of the in- ...
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