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The thermal stresses in a concrete bridge are affected by the surrounding climate. Varying temperature will produce movements which, if restrained, may induce stresses in the structure. To predict the thermal stresses due to climatic effects in concrete box cross-sections, FE simulations have been performed with extensive climatic input data to simulate the temperature and resulting stress fields
Popular Abstract in Swedish Antagonistiska hot mot godstransporter och logistik såsom stölder, smuggling, förfalskningar och terroristaktiviteter utgör ett stort och ofta förbisett problem. Bara i Sverige beräknas stölder under transport kosta samhället ca 1 miljard kronor årligen. Denna avhandling visar att många svenska transportföretag trots detta inte investerar i lösningar för att förbättra sThe objective of this study is to understand what factors influence the security of physical distribution networks. Thereafter it aims to bring to light what security measures exist today to enhance security and finally how to determine the profitability of security investments. Eight stakeholders affecting security in physical distribution networks are identified and combined into a Physical Dist
Den nya socialtjänstlagen har fått förödande konsekvenser för samhällets mest utsatta. En enkätundersökning i tio kommuner omfattande samtliga tjänstemän inom socialtjänsten visar att åtta av tio anser att den nya lagen försämrat rättsskyddet för de sämst ställda. Två av tre inom socialtjänsten uppfattar dessutom den nya lagstiftningen som ett direktiv för att prioritera hemförsäkringar före missb
Estimation and Model Validation of Diffusion Processes Abstract The main motivation for this thesis is the need for estimation and model validation of diffusion processes, i.e. stochastic processes satisfying a stochastic differential equation driven by Brownian motion. This class of stochastic processes is a natural extension of ordinary differential equations to dynamic, stochastic systems
This study explored if the visual gender representations (androgynous, male, or female) of an embodied agent would influence students’ perceptions of their agent and their attitudes toward the agent as their conversational partner. The study also explored if students’ gender and cultural background would interact with the agent’s visual gender to influence their perceptions and attitudes. Particip
