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RISEstimation of Failure Probability Function under Imprecise Probabilities by Active Learning–Augmented Probabilistic Integration
Publisher: ASCE
Abstract: Imprecise probabilities have gained increasing popularity for quantitatively modeling uncertainty under incomplete information in various fields. However, it is still a computationally challenging task to propagate imprecise ...
Bayesian Model Updating in Time Domain with Metamodel-Based Reliability Method
Publisher: ASCE
Abstract: In this study, a two-step approximate Bayesian computation (ABC) updating framework using dynamic response data is developed. In this framework, the Euclidian and Bhattacharyya distances are utilized as uncertainty ...
Interval Predictor Model for the Survival Signature Using Monotone Radial Basis Functions
Publisher: American Society of Civil Engineers
Abstract: This research describes a novel method for approximating the survival signature for very large systems. In recent years, the survival signature has emerged as a capable tool for the reliability analysis of critical ...
Risk Assessment of Spent Nuclear Fuel Facilities Considering Climate Change
Publisher: American Society of Civil Engineers
Abstract: Natural hazards have the capability to affect technological installations, triggering multiple failures and putting the population and the surrounding environment at risk. Global climate change introduces an additional and ...
Softening Duffing Oscillator Reliability Assessment Subject to Evolutionary Stochastic Excitation
Publisher: American Society of Civil Engineers
Abstract: An approximate analytical technique for assessing the reliability of a softening Duffing oscillator subject to evolutionary stochastic excitation is developed. Specifically, relying on a stochastic averaging treatment of ...
Softening Duffing Oscillator Reliability Assessment Subject to Evolutionary Stochastic Excitation
Publisher: American Society of Civil Engineers
Abstract: An approximate analytical technique for assessing the reliability of a softening Duffing oscillator subject to evolutionary stochastic excitation is developed. Specifically, relying on a stochastic averaging treatment of ...
Forced Monte Carlo Simulation Strategy for the Design of Maintenance Plans with Multiple Inspections
Publisher: American Society of Civil Engineers
Response Determination of Nonlinear Systems with Singular Matrices Subject to Combined Stochastic and Deterministic Excitations
Publisher: ASCE
Abstract: A new technique is proposed for determining the response of multi-degree-of-freedom nonlinear systems with singular parameter matrices subject to combined stochastic and deterministic excitations. Singular matrices in the ...
Uncertainty Propagation of Missing Data Signals with the Interval Discrete Fourier Transform
Publisher: ASCE
Abstract: The interval discrete Fourier transform (DFT) algorithm can propagate signals carrying interval uncertainty. By addressing the repeated variables problem, the interval DFT algorithm provides exact theoretical bounds on the ...
Estimation of Response Expectation Bounds under Parametric P-Boxes by Combining Bayesian Global Optimization with Unscented Transform
Publisher: ASCE
Abstract: In engineering analysis, propagating parametric probability boxes (p-boxes) remains a challenge because a computationally expensive nested solution scheme is involved. To tackle this challenge, this paper proposes a novel ...