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The main purpose of this study was to learn more about how bicyclists and motor vehicle drivers in some Swedish cities interact at intersections and how the yielding rules, different intersection designs, vehicle flows and speed affect the behaviour. Field studies were performed at 25 crossings for six hours each. Cycle crossings on links, at three- and four-armed intersections as well as at roun
In this paper we address the test scheduling problem for system-on-chip. Different from previous approaches where it is assumed that all tests will be performed until completion, we consider the cases where the test process will be terminated as soon as a defect is detected. This is common practice in production test of chips. The proposed technique takes into account the probability of defect-det
During recent years we have seen several large-scale crises. The 9/11 terror attacks, tsunamis, storms, floods and bombings have all been unpredictable and caused a great deal of damage. One common factor in these crises has been the need for information and one important source of information is usually web sites. In this work three new sets of web server access logs are presented and analyzed, o
The evolution of a system for the management of fatigue-related risks in airline and maintenance operations is at present a contentious issue. The aspirations for the integration of fatigue risk management processes into existing Safety Management System (SMS) guidelines need to be placed in the realities of the present economic and commercial environment – they therefore need to exhibit relevance
Popular Abstract in Swedish Vetskap om strömning av vätskor och gaser är viktigt i dagens samhälle, vilket inkluderar transport i rör, förbränning, och flödesinducerade vibrationer. På grund av sin flyktiga form är möjligheten att kontrollera flöden i diverse applikationer begränsad. Strömning kan vara väldigt svårt att beskriva och kategorisera, speciellt då höga hastigheter är inblandade. HastigThis thesis presents the utilization of two different decomposition techniques, proper orthogonal decomposition (POD) and dynamic mode decomposition (DMD), for enhanced understanding of flow structures and their stability. The advantages of these techniques are shown for a range of flow situations, most of which are turbulent. It is shown that by these methods additional insight into complex flow
The electromagnetic scattering properties of red blood cells were analyzed by three different methods. The finite-different time-domain method is a general and flexible approach and enables accurate simulations of scattering from objects with arbitrary shape. This method was compared with two approximate methods: the Rytov approximation and the Discrete Dipole Approximation. The interaction of light
Popular Abstract in Swedish Det finns skSl att betrakta kyrkomstet i Chalcedon 451 som det historiskt mest betydelsefulla av de sju sŒ kallade ÒekumeniskaÓ kyrkomsterna. Vid Chalcedon hade fastslagits en kristologisk definition dSr Kristus bekSndes vara konstituerad av en fsrening av tvŒ naturer. Redan innan konciliet hade hunnit avslutats uppstod emellertid i det sstra imperiet en konflikt som skThe present study deals with the works of John Rufus, disciple of Peter the Iberian at Gaza. There are three works preserved from him, composed in Greek at the turn of the sixth century, and preserved in Syriac: the Life of Peter the Iberian, the Commemoration of the Death of Theodosius, and the Plerophories. This study reads the hagiographic works of John Rufus in search for the basic ideological
