Search for dissertations about: "boundary elements"
Showing result 16 - 20 of 170 swedish dissertations containing the words boundary elements.
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16. Basal boundary conditions, stability and verification in glaciological numerical models
Abstract : To increase our understanding of how ice sheets and glaciers interact with the climate system, numerical models have become an indispensable tool. However, the complexity of these systems and the natural limitation in computational power is reflected in the simplifications of the represented processes and the spatial and temporal resolution of the models. READ MORE
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17. Numerical approximations of time domain boundary integral equation for wave propagation
Abstract : Boundary integral equation techniques are useful in thenumerical simulation of scattering problems for wave equations.Their advantage over methods based on partial di.erentialequations comes from the lack of phase errors in the wavepropagation and from the fact that only the boundary of thescattering object needs to be discretized. READ MORE
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18. English Place-Name Elements Relating to Boundaries
Abstract : Place-names often reflect local, cultural, and political history. It is only natural, therefore, that words for such historically important phenomena as boundaries should form part of place-names. In England, there is a fair number of place-name elements that refer to boundaries. Some of them are treated in this thesis. READ MORE
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19. Dynamic higher order equations for structural elements
Abstract : The subject of this thesis is to derive and evaluate governing equations and corresponding boundary conditions for solid isotropic cylinders and isotropic micropolar rectangular plates. This is achieved by a systematic power series expansion approach, by either adopting a generalized Hamilton's principle or a direct approach. READ MORE
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20. Marine oolites as proxies for palaeoenvironmental reconstructions during extinction events
Abstract : At present time, it has been stated that “Human activities, principally through emissions of greenhouse gases, have unequivocally caused global warming, with global surface temperature reaching 1.1°C above 1850–1900 in 2011–2020”. READ MORE