Searched for: subject:"statistical%5C+analysis"
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Khalilnezhad, H. (author), Popov, M. (author), van der Sluis, L. (author), Ametani, A. (author)
Energization overvoltages are among the severest overvoltages stressing insulations of EHV power system components. Since these overvoltages have a statistical nature, the insulation level should be determined with the use of a statistical approach by which the distribution of overvoltages is calculated. Literature has properly studied the...
journal article 2018
document
Khalilnezhad, H. (author), Popov, M. (author), van der Sluis, L. (author), Bos, Jorrit A. (author), de Jong, Jan P.W. (author), Ametani, A. (author)
Zero-missing is a phenomenon in shunt compensated cable systems in which the current through the line breaker does not cross the zero point for several cycles. This paper deals with a thorough investigation on countermeasures of the zero-missing phenomenon in transmission systems and determines the requirements, benefits, and risks of...
journal article 2018
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van den Eijnden, A.P. (author), Hicks, M.A. (author)
Improbable slope failure is addressed in the framework of reliability analysis of slopes in heterogeneous cohesive soils, as the small subset of realisations that fail without additional measures to trigger failure. The mode of these slope failures, located at the weak tail of the reliability curve, is demonstrated to differ significantly...
journal article 2018
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Prieto Hoces, A.I. (author), Knaack, U. (author), Klein, T. (author), Auer, T (author)
This paper seeks to present a panorama of cooling related research in office buildings, categorising reported research experiences from the past 25 years in order to identify knowledge gaps and define current paths and trends for further exploration. The general goal behind this research is to support the design of sustainable office...
journal article 2017
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Reale, C. (author), Xue, Jianfeng (author), Gavin, K. (author)
Many engineered and natural slopes have complex geometries and are multi-layered. For these slopes traditional stability analyses will tend to predict critical failure surfaces in layers with the lowest mean strength. A move toward probabilistic analyses allows a designer to account for uncertainties with respect to input parameters that...
journal article 2016
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Liu, Shengnan (author), Eggermont, Jeroen (author), Wolterbeek, Ron (author), Lelieveldt, B.P.F. (author), Dijkstra, J (author)
Intravascular optical coherence tomography (IVOCT) is an intravascular imaging modality which enables the visualization arterial structures at the micro-structural level. The interpretations of these structures is mainly on the basis of relative image intensities. However, even for homogeneous tissue light intensities can differ. In this study...
conference paper 2016
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Wang, B. (author), Hicks, M.A. (author), Vardon, P.J. (author)
The random material point method (RMPM), which combines random field theory and the material point method (MPM), is proposed. It differs from the random finite-element method (RFEM), by assigning random field (cell) values to material points that are free to move relative to the computational grid rather than to Gauss points in a conventional...
journal article 2016
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Akbarian, Bahar (author), Prins, M. (author), van Oel, C.J. (author)
conference paper 2016
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Otake, Y. (author), Honjo, Y. (author), Hiramatsu, Y. (author), Lee, K. (author), Kodaka, T. (author)
A design scheme is proposed to evaluate the safety of continuous linear structure i.e. river levee. The scheme is developed to establish a procedure to continuously evaluate the stability failure of embankment during flood runoff by seepage, and to identify locations for reinforcement of river levee. A 20km stretch of a fairly large river...
conference paper 2015
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Otake, Y. (author), Honjo, Y. (author), Kusano, T. (author)
The aim of this study is to establish a procedure to determine resistance factors for newly developed pile products through an example of the rotational intrusion steel pile (RI pile). RI pile is a newly developed steel pile product which has the vane type tip structure to resist reliably against vertical load and to intrude easily by rotating...
conference paper 2015
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Nagy, L. (author), Kádár, I. (author)
Shocking media images are broadcast daily about various acts of violence, natural and technological (man-made) “disasters”. Television may present a single fallen tree as the outcome of large-scale storm damage. The capacity to compare the losses incurred by threats and disasters would help us clarify the comparison of common events. However,...
conference paper 2015
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Lloret Cabot, M. (author), Hicks, M.A. (author), Van den Eijnden, A.P. (author)
Spatial variability of soil properties is inherent in soil deposits, whether as a result of natural geological processes or engineering construction. It is therefore important to account for soil variability in geotechnical design in order to represent more realistically a soil’s in situ state. This variability may be modelled as a random field,...
journal article 2012
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Sun, Z. (author), Schrijer, F.F.J. (author), Scarano, F. (author), Van Oudheusden, B.W. (author)
The three-dimensional instantaneous flow organization in the near wake of a micro-ramp interacting with a Mach 2.0 supersonic turbulent boundary layer is studied using tomographic particle image velocimetry. The mean flow reveals a wake with approximately circular cross section dominated by a pair of counter-rotating streamwise vortices...
journal article 2012
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Milovanovi?, V. (author)
Modeling of the effects occurring outside the usual region of application of semiconductor devices is becoming more important with increasing demands set upon electronic systems for simultaneous speed and output power. Analog integrated circuit designers are forced to enter regimes of transistor operation that are close to or within the device...
doctoral thesis 2010
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Gross, J. (author)
A Helmholtz energy functional for inhomogeneous fluid phases based on the perturbed-chain polar statistical associating fluid theory (PCP-SAFT) equation of state is proposed. The model is supplemented with a capillary wave contribution to the surface tension to account for long-wavelength fluctuations of a vapor-liquid interface. The functional...
journal article 2009
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Kanning, W. (author)
Uncertainties are introduced in probabilistic risk analysis when we deal with parameters that are not deterministic (exactly known) but that are unknown instead, hence uncertain. This report describes how uncertainties influence the reliability of flood defence systems. The purpose of the study is to identify all uncertainties that influence the...
report 2009
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Cichecki, P. (author), Jongen, R.A. (author), Gulski, E. (author), Smit, J.J. (author), Quak, B. (author), Petzold, F. (author), De Vries, F. (author)
journal article 2008
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Chitu, D.A. (author), Al-Ali, M.N. (author), Verschuur, D.J. (author)
In conventional migration velocity analysis methods, a velocity model is estimated that results in flattened events in common-image gathers. However, after this process, no information is available on the accuracy of this velocity model. A statistical analysis of velocity-model parameters is very difficult because of the integrated nature of the...
journal article 2008
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Sanchez-Arcilla, A. (author)
This Deliverable presents a summary of results obtained in Task 2: Estimation of Extremes of the EU (Framework Program 6) FLOODsite project. The report deals with the estimation of extremes for risk assessment in fluvial, coastal and estuarine environments. The approach, techniques and conclusions are, however, general enough to be of...
report 2008
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Yuan, J. (author)
A trade-off exists between efficiently utilizing the capacity of railway networks and improving the reliability and punctuality of train operations. This dissertation presents a new analytical probability model based on blocking time theory which estimates the knock-on delays of trains caused by route conflicts and late transfer connections in...
doctoral thesis 2006
Searched for: subject:"statistical%5C+analysis"
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