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Metal cutting is a very common operation in the manufacturing industry. Drilling and other hole-making operations perhaps account for 50% of all metal cutting, according to some investigations. All metal cutting including drilling always produces burrs, as a by-product. Actually burrs are nothing but uncut metal at the beginning and at the end of the operations. Yet, despite burr's omnipresence in
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The purpose of this paper is to analyse the Multi User Concept (MUC) approach, a combination of vertical and horizontal collaboration (lateral collaboration) across different actors in a supply chain. To analyse this concept a quantitative case study using modelling and simulation was made based on actual data from several companies in an automotive supply chain. On a supply chain level, the model
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The robustness of fixed Turbo coded communication systems over frequency selective channels are investigated. The simulated amplitude functions are based on an idealised two level function and a decaying function. The results indicate that the system can cope with severe disturbances without to much loss.
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Universal perception and production constraints may constitute phonetic preconditions for historical sound change. It is pointed out that the traditional literature on the Swedish dialects provides a rich source of information in evaluating the diachronic role played by these constraints.
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To date, there is no standard Verification and Validation (V&V) protocol for the evaluation of evacuation model predictions. This paper is intended to open a discussion on the main issues associated with the definition of a standard procedure for the V&V of building fire evacuation models. Examples of such issues are discussed, namely 1) the definition of tests able to investigate the capa
