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P.H.A.J.M. van Gelder
Delft University of Technology
StatisticsEngineeringEconometricsReliability engineeringMathematics
295Publications
22H-index
2,246Citations
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Publications 306
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Abstract When a dam breaks, huge floods will be generated that may inundate urban areas, enterprises, farmlands, and infrastructure and cause giant economic losses. Economic risk criteria are a kind of basis for determining dam risk levels and to decide whether risk control measures should be taken or not. However, compared to loss-of-life risk criteria, much fewer economic risk criteria for dams have been proposed and implemented for two main reasons: (a) The ability of most areas to endure eco...
2 CitationsSource
#1Yamin Huang (TU Delft: Delft University of Technology)H-Index: 4
#2P.H.A.J.M. van Gelder (TU Delft: Delft University of Technology)H-Index: 22
Abstract Collision risk assessment is essential for supporting collision avoidance, which is the core of various collision alert/avoidance systems. One main task of the systems is setting off alarms for taking evasive actions. The alarms need to be triggered before the conflict has no collision-free solution. However, most of existing collision risk measures are independent of conflict resolution. That means the collision alert does not indicate that the collision is avoidable or not. This artic...
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#1Weitao Xiong (TU Delft: Delft University of Technology)
#2P.H.A.J.M. van Gelder (TU Delft: Delft University of Technology)H-Index: 22
Last. Kewei Yang (National University of Defense Technology)
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Abstract Design and operationalization for Search and Rescue (SAR) activities are unstructured and complex multi-criteria decision-making problems, especially for maritime emergency scenario. There is a lack of decision support methods based on intelligent algorithms to shorten the response time and to reduce the loss of life and property. The primary purpose of this paper is to develop a three-stage decision support method to optimize the type and number of resources when making SAR schemes so ...
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Abstract Sand nourishments are increasingly applied as adaptive coastal protection measures. Predictions of the evolution of these nourishments and their impact on the surrounding coastline contain many uncertainties. The sources that add to this uncertainty can be delineated between intrinsic and epistemic uncertainty, i.e. inevitably in the system or related to knowledge limitations. Effects of intrinsic uncertainty (e.g. due to wave climate variability) on coastal evolution can be significant...
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#1Wei Ge (Zhengzhou University)H-Index: 1
#2Yupan Qin (Zhengzhou University)H-Index: 1
Last. P.H.A.J.M. van Gelder (TU Delft: Delft University of Technology)H-Index: 22
view all 9 authors...
Abstract Because of the uncertainty regarding the potential loss of life, it is difficult to use societal life risk criteria for dams established based on existing methods and the related research. Based on existing dam safety standards, dam safety conditions, and the opinions of the public on dam risks, an innovative methodology, i.e. P–P curve, was proposed to establish societal life risk criteria for dams. The annual probability of dam failure, population at risk, and dam height, which have t...
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#1Ahmad BahooToroody (UniFI: University of Florence)H-Index: 2
#2Filippo De Carlo (UniFI: University of Florence)H-Index: 5
Last. P.H.A.J.M. van Gelder (TU Delft: Delft University of Technology)H-Index: 22
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Abstract The probabilistic analysis on condition monitoring data has been widely established through the energy supply process to specify the optimum risk remediation program. In such studies, the fluctuations and uncertainties of the operational data including the variability between source of data and the correlation of observations, have to be incorporated if the efficiency is of importance. This study presents a novel probabilistic methodology based on observation data for signifying the imp...
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#1Lixia Niu (SYSU: Sun Yat-sen University)H-Index: 2
#2P.H.A.J.M. van Gelder (TU Delft: Delft University of Technology)H-Index: 22
Based on field efforts in Lake IJssel (the Netherlands) from 2000 to 2010, dynamics of 15 priority PAHs in suspended particulate matter (SPM) and in seawater were determined. This study examined time-varying changes in PAH concentration and composition, apportioned potential anthropogenic sources, and quantified their linkages to hydrological factors. The sum of individual PAHs (defined as summation operator15 PAHs) varied widely throughout the study period in Lake IJssel, ranging from 0.76 to 9...
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#1W. SteijnH-Index: 1
#2J. van KampenH-Index: 2
Last. P.H.A.J.M. van Gelder (TU Delft: Delft University of Technology)H-Index: 22
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Abstract Quantitative Risk Analysis (QRA) is a standard tool in some high-risk industries (such as the on- and offshore exploration and production and chemical industry). Presently, existing knowledge concerning human error likelihood and human reliability assessment is insufficiently represented in QRAs. In this paper we attempt to implement the quantification of the human factors in a QRA, which we call QRA+. We analysed a specific incident scenario: the risk of overfilling chemical storage ta...
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#1Lixia Niu (SYSU: Sun Yat-sen University)H-Index: 2
#2Qingshu Yang (SYSU: Sun Yat-sen University)H-Index: 14
Last. Xiangxin Luo (SYSU: Sun Yat-sen University)H-Index: 2
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Based on a monthly field survey in 2011 of the Pearl River Estuary, the dynamics of polycyclic aromatic hydrocarbons (PAHs) in surface sediments (depth < 5 cm) were explored. The seasonal variations in PAH level and composition were investigated in this study, as well as their environmental behaviors, the role of particles, and source apportionment. The concentration of the sum of 16 priority PAHs (defined as ∑16PAHs) ranged from 0.32 to 1.10 μg/g, while that of the sum of 62 PAHs (defined as ∑t...
1 CitationsSource
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