Academic literature on the topic 'Exceedance curves'

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Journal articles on the topic "Exceedance curves"

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Cigizoglu, Hikmet Kerem. "A Method Based on Taking the Average of Probabilities to Compute the Flow Duration Curve." Hydrology Research 31, no. 3 (2000): 187–206. http://dx.doi.org/10.2166/nh.2000.0012.

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In this study a method based on taking the average of the probabilities is presented to obtain flow duration curve. In this method the exceedance probability for each flow value is computed repeatedly for all time periods within a year. The final representing exceedance is just simply the average of all these probabilities. The applicability of the method to daily mean flows is tested assuming various marginal probability distributions like normal, Pearson type III, log-Pearson type III, 2-parameter lognormal and 3-parameter lognormal distributions. It is seen that the observed flow duration c
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Jiang, Xinyu, Nobuhito Mori, Hirokazu Tatano, and Lijiao Yang. "Simulation-Based Exceedance Probability Curves to Assess the Economic Impact of Storm Surge Inundations due to Climate Change: A Case Study in Ise Bay, Japan." Sustainability 11, no. 4 (2019): 1090. http://dx.doi.org/10.3390/su11041090.

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Understanding storm surge inundation risk is essential for developing countermeasures and adaptation strategies for tackling climate change. Consistent assessment of storm surge inundation risk that links probability of hazard occurrence to distribution of economic consequence are scarce due to the lack of historical data and uncertainty of climate change, especially at local scales. This paper proposes a simulation-based method to construct exceedance probability (EP) curves for representing storm surge risk and identifying the economic impact of climate change in the coastal areas of Ise Bay
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Bröcker, Jochen, Stefan Siegert, and Holger Kantz. "Comments on “Conditional Exceedance Probabilities”." Monthly Weather Review 139, no. 10 (2011): 3322–24. http://dx.doi.org/10.1175/2011mwr3658.1.

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Abstract In a recent paper, Mason et al. propose a reliability test of ensemble forecasts for a continuous, scalar verification. As noted in the paper, the test relies on a very specific interpretation of ensembles, namely, that the ensemble members represent quantiles of some underlying distribution. This quantile interpretation is not the only interpretation of ensembles, another popular one being the Monte Carlo interpretation. Mason et al. suggest estimating the quantiles in this situation; however, this approach is fundamentally flawed. Errors in the quantile estimates are not independent
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MacPherson, Leigh, Ivan David Haigh, Matthew Mason, Sarath Wijeratne, Charitha Pattiaratchi, and Steve George. "EXTREME WATER LEVEL EXCEEDANCE PROBABILITIES AROUND AUSTRALIA." Coastal Engineering Proceedings 1, no. 33 (2012): 53. http://dx.doi.org/10.9753/icce.v33.currents.53.

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The potential impacts of extreme water level events on our coasts are increasing as populations grow and sea levels rise. To better prepare for the future, coastal engineers and managers need accurate estimates of average exceedance probabilities for extreme water levels. In this paper, we estimate present day probabilities of extreme water levels around the entire coastline of Australia. Tides and storm surges generated by extra-tropical storms were included by creating a 61-year (1949-2009) hindcast of water levels using a high resolution depth averaged hydrodynamic model driven with meteoro
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Marx, Jeffrey D., and Kendall Marie Werts. "The application of pressure–impulse curves in a blast exceedance analysis." Journal of Loss Prevention in the Process Industries 26, no. 3 (2013): 478–82. http://dx.doi.org/10.1016/j.jlp.2012.07.011.

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Tarque, Nicola, Helen Crowley, Rui Pinho, and Humberto Varum. "Displacement-Based Fragility Curves for Seismic Assessment of Adobe Buildings in Cusco, Peru." Earthquake Spectra 28, no. 2 (2012): 759–94. http://dx.doi.org/10.1193/1.4000001.

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The seismic vulnerability of single-story adobe dwellings located in Cusco, Peru, is studied based on a mechanics-based procedure, which considers the analysis of in-plane and out-of-plane failure mechanisms of walls. The capacity of each dwelling is expressed as a function of its displacement capacity and period of vibration and is evaluated for different limit states to damage. The seismic demand has been obtained from several displacement response spectral shapes. From the comparison of the capacity with the demand, probabilities of limit state exceedance have been obtained for different PG
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Parrett, Charles. "Regionalization of Precipitation Characteristics in Montana Using L-Moments." Transportation Research Record: Journal of the Transportation Research Board 1647, no. 1 (1998): 43–52. http://dx.doi.org/10.3141/1647-06.

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Dimensionless precipitation-frequency curves for estimating precipitation depths having small exceedance probabilities were developed for 2-, 6-, and 24-hour storm durations for three homogeneous regions in Montana. L-moment statistics were used to help define the homogeneous regions. The generalized extreme value distribution was used to construct the frequency curves for each duration within each region. The effective record length for each duration in each region was estimated using a graphical method and was found to range from 500 years for 6-hour duration data in Region 2 to 5,100 years
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Huang, Lin Qing, Li Ping Wang, and Chao Lie Ning. "Seismic Fragility Analysis of Hill Buildings with Uneven Ground Column Heights." Applied Mechanics and Materials 638-640 (September 2014): 1848–53. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.1848.

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The hill buildings sited on slopes have been widely constructed in mountainous regions. In order to estimate the seismic vulnerability of the hill buildings with uneven ground column heights under the effect of potential earthquakes, the exceedance probabilities of the hill buildings sited on different angle slopes in peak ground acceleration (PGA) are calculated and compared by using the incremental dynamic analysis method. The fragility curves show the slope angle has considerable influence on the seismic performance. Specifically, the exceedance probability increases with the increasing of
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Li, Zhenlong, Xuewei Li, Xiaohua Zhao, and Qingzhou Zhang. "Effects of Different Alcohol Dosages on Steering Behavior in Curve Driving." Human Factors: The Journal of the Human Factors and Ergonomics Society 61, no. 1 (2018): 139–51. http://dx.doi.org/10.1177/0018720818791850.

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Objective: The aim of this article is to explore the detailed characteristics of steering behavior in curve driving at different alcohol dosages. Background: Improper operation of the steering wheel is a contributing factor to increased crash risks on curves. Method: The experiments were conducted using a driving simulator. Twenty-five licensed drivers were recruited to perform the experiments at the four different breath alcohol concentration (BrAC) levels. The steering angle (SA), steering speed (SS), steering reversal rate (SRR), and peak-to-peak value of the steering angle (PP) were used t
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Mirzaie Aminian, Farzad, Ehsan Khojastehfar, and Hamid Ghanbari. "Effects of Near-fault Strong Ground Motions on Probabilistic Structural Seismic-induced Damages." Civil Engineering Journal 5, no. 4 (2019): 796–809. http://dx.doi.org/10.28991/cej-2019-03091289.

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Seismic fragility curves measure induced levels of structural damage against strong ground motions of earthquakes, probabilistically. These curves play an important role in seismic performance assessment, seismic risk analysis and making rational decisions regarding seismic risk management of structures. It has been demonstrated that the calculated fragility curves of structures are changed while the structures are excited by near-field strong ground motions in comparison with far-field ones. The objective of this paper is to evaluate the extents of modification for various performance levels
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Dissertations / Theses on the topic "Exceedance curves"

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Kratz, Marie. "Some contributions in probability and statistics of extremes." Habilitation à diriger des recherches, Université Panthéon-Sorbonne - Paris I, 2005. http://tel.archives-ouvertes.fr/tel-00239329.

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Prem, Katherine. "Risk Measures Constituting Risk Metrics for Decision Making in the Chemical Process Industry." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-12-8678.

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The occurrence of catastrophic incidents in the process industry leave a marked legacy of resulting in staggering economic and societal losses incurred by the company, the government and the society. The work described herein is a novel approach proposed to help predict and mitigate potential catastrophes from occurring and for understanding the stakes at risk for better risk informed decision making. The methodology includes societal impact as risk measures along with tangible asset damage monetization. Predicting incidents as leading metrics is pivotal to improving plant processes and, for i
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Alghamdi, Salem. "Developmental of a Vapor Cloud Explosion Risk Analysis Tool Using Exceedance Methodology." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-9965.

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In development projects, designers should take into consideration the possibility of a vapor cloud explosion in the siting and design of a process plant from day one. The most important decisions pertinent to the location of different process areas, separation between different areas, location of occupied buildings and overall layout may be made at the conceptual stage of the project. During the detailed design engineering stage the final calculation of gas explosion loads is an important activity. However, decisions related to the layout and location of occupied buildings at this stage could
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Conference papers on the topic "Exceedance curves"

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Serdar, Nina N., Jelena R. Pejovic, Radenko Pejovic, and Miloš Knežević. "Seismic risk assessment of RC curved bridges through fragility curves." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.1488.

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<p>It is of great importance that traffic network is still functioning in post- earthquake period, so that interventions in emergency situations are not delayed. Bridges are part of the traffic system that can be considered as critical for adequate post-earthquake response. Their seismic response often dominate the response and reliability of overall transportation system, so special attention should be given to risk assessment for these structures. In seismic vulnerability and risk assessment bridges are often classified as regular or irregular structures, dependant on their configurati
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Kumar, Rajesh, Dipti Ranjan Sahoo, and Ashok Gupta. "Fragility curves for special truss moment frame with single and multiple vierendeel special segment." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.7248.

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Special Truss Moment frame (STMF) is an open web truss moment frame, which dissipates the input seismic energy through a well-defined ductile special segment located near the mid-span of truss while other members of truss outside the special segment and columns are designed to remain elastic. In this paper, the performance and the fragility curve of STMFs consisting single and multiple vierendeel panels in the special segment are investigated. The seismic response of nine-story having the length to depth ratio of special segment 2.5 is considered to develop the fragility curve. The seismic res
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Soborg, Anders Veldt, and Peter Friis Hansen. "Reliability Analysis of Dynamic Stability in Waves." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51591.

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The assessment of a ship’s intact stability is traditionally based on a semi-empirical deterministic concept that evaluates the characteristics of ship’s calm water restoring leverarm curves. Today the ship is considered safe with respect to dynamic stability if its calm water leverarm curves exhibit sufficient characteristics with respect to slope at zero heel (GM value), maximum leverarm, positive range of stability and area below the leverarm curve. The rule-based requirements to calm water leverarm curves are entirely based on experience obtained from vessels in operation and recorded acci
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Abbiati, Giuseppe, Oreste S. Bursi, Luca Caracoglia, Rocco Di Filippo, and Vincenzo La Salandra. "Probabilistic Seismic Response of Coupled Tank-Piping Systems." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63292.

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Dynamic analysis is an integral part of seismic risk assessment of industrial plants. Such analysis often neglects proper coupling between structures of coupled systems, which introduces uncertainty into the system and may lead to erroneous results, e.g., incorrect fragility curves, in comparison with the actual behavior of the analyzed structure. Hence, it is important to study the effect of uncertainties on the dynamic characteristics of a system, when coupling effects are both neglected and included. Along this line, this paper intends to define and compare the fragility curves of both an i
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Hisamatsu, Rikito, Sooyoul Kim, and Shigeru Tabeta. "Estimation of Expected Loss by Storm Surges Along Tokyo Bay Coast." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95336.

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Abstract In Japan, the fundamental disaster management plan was modified after a heavy rainfall event in 2015. According to the updated plan, the transfer of flood disaster risk to non-life insurance is promoted by the Japanese government. Thus, the importance of flood risk modeling for the insurance industry has increased. Winds are expected to become even stronger, resulting in higher storm surges, when the central pressure of the typhoon is intensified. Furthermore, it is possible for an insurance system to experience peak risk when such damage occurs simultaneously. Hence, refining the ass
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Okano, Yasushi, and Hidemasa Yamano. "Sensitivity Study on Forest Fire Breakout and Propagation Conditions for Forest Fire Hazard Curve Evaluations." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60047.

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The authors have developed a probabilistic risk assessment method on a forest fire as one of external hazards. A hazard curve by heat effect of a forest fire had been obtained by using a logic tree in our previous study. The main application target of the forest fire probabilistic risk assessment is for sodium-cooled fast reactor systems. Databases for a hazard curve evaluation were based on forest fire records, meteorological and vegetation data of a studied area which is near a typical sodium-cooled fast reactor in Japan. There are two intensity parameters of heat effect of a forest fire, na
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Thijssen, Jan, and Mark Fuglem. "Methodology to Evaluate Sea Ice Loads for Seasonal Operations." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-42194.

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Offshore structures designed for operation in regions where sea ice is present will include a sea ice load component in their environmental loading assessment. Typically ice loads of interest are for 10−2, 10−3 or 10−4 annual probability of exceedance (APE) levels, with appropriate factoring to the required safety level. The ISO 19906 standard recommends methods to determine global sea ice loads on vertical structures, where crushing is the predominant failure mode. Fitted coefficients are proposed for both Arctic and Sub-Arctic (e.g. Baltic) conditions. With the extreme ice thickness expected
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Newborn, David, Nels Sultan, Pierre Beynet, Tim Maddux, Sungwon Shin, and Dan Cox. "Experimental Observations and Numerical Simulations of Wave Impact Forces on Recurved Parapets Mounted Above a Vertical Wall." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79183.

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Large-scale hydraulic model tests and detail numerical model investigations were conducted on recurved wave deflecting structures to aid in the design of wave overtopping mitigation for vertical walls in shallow water. The incident wave and storm surge conditions were characteristic return period events for an offshore island on the North Slope of Alaska. During large storm events, despite depth-limited wave heights, a proposed vertical wall extension was susceptible to wave overtopping, which could potentially cause damage to equipment. Numeric calculations were conducted prior to the experim
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Ka¨hko¨nen, Jukka, and Pentti Varpasuo. "Seismic Fragility Study for High-Pressure Emergency Cooling Water Tanks of Loviisa Nuclear Power Plant." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29181.

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The paper studies the fragility of high-pressure emergency cooling water tanks in Loviisa Nuclear Power Plant located on the elevation +25.40 in the reactor building. The seismic fragility is defined as the conditional probability of its failure given a value of the response parameter, such as peak ground acceleration. Using the lognormal-distribution assumption, the fragility (i.e., the probability of failure, f′) at any non-exceedance probability level Q can be derived as Equation1f′=Φ[(ln(a/A¯)+βUΦ−1(Q))/βR] where Q = P(f<f′|a) is the probability that the conditional probability f is les
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Bačová Mitková, Veronika, and Dana Halmová. "ESTIMATION OF THE FLOOD MAXIMUM VOLUMES FOR VARIOUS DURATIONS OF THE RIVER RUNOFF AND THEIR MUTUAL DEPENDANCES: A CASE STUDY ON HRON RIVER IN SLOVAKIA." In XXVII Conference of the Danubian Countries on Hydrological Forecasting and Hydrological Bases of Water Management. Nika-Tsentr, 2020. http://dx.doi.org/10.15407/uhmi.conference.01.17.

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This work deals with the determination of the annual maximum discharge volumes on the Hron River for the runoff time duration t = 2, 5, 10, and 20 days. The series of 84 years (1931–2015) mean daily discharges of the Hron River at Banská Bystrica station was used as input data to calculate the maximum annual volumes of runoff of the Hron River. Subsequently, the theoretical curves of exceedance of the maximal discharge volumes were determined by the LogPearson distribution of the Type III. This type of probability distribution is used to estimate maximum (extreme) values across a range of natu
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