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Verification of sheet metal forming simulation of advanced thin plate parts using a first order friction model

There is today a need of better prediction of part geometry regarding industrial products by simulations. There is a need for better prediction of material inflow, stresses and strains and final geometry. One way to solve this could be by using a more advanced friction model. Today a zero order friction model (Coulomb friction) is normally used. By using a friction model of higher order the fricti

Das Problem des Widerstandes in den evangelischen Kirchen Europas 1933–1945

Abstract in German Der Widerstand in den evangelischen Kirchen Europas 1933-1945 ist ein komplexes Problem. In vielen Kirchen wurde er gegen die nationalsozialistische Ideologie oder die deutsche Besetzung geleistet. Jedoch kann das Problem nicht auf den Widerstaned gegen den Nationalsozialismus begrenzt werden. Kirchlichen Widerstand gab es auch gegen den Sowjetkommunismus, wie in Estland und Let

Dynamics of Polymer Adsorption onto Solid Surfaces in Good Solvent

Adsorption dynamics of various types of uncharged homopolymers onto solid surfaces in good solvent have been studied by using a coarse grained bead-spring model. Brownian dynamics simulation has been used to examine the adsorption process for polymers released near an adsorbing surface, and Monte Carlo simulations have been employed to explore equilibrium properties of adsorbed polymers. Two diff

Numerical simulation of fluid flow and heat transfer in corrugated ducts

A numerical investigation has been carried Out for the turbulent fluid flow and heat transfer in periodic fully developed corrugated ducts. Three turbulence models are used in the calculation: the standard k - epsilon model, the Re-Normalized Group (RNG) k - epsilon model and a Reynolds Stress Model (RSM). The turbulent heat flux is modeled by the simple eddy diffusivity model (SED). The numerical

Turnus: An open-source design space exploration framework for dynamic stream programs

Although the research on the design of heterogeneous concurrent systems has a long and rich history, a unified design methodology and tool support have not emerged so far. Therefore, the creation of such systems remains a difficult, time-consuming and error-prone process. The absence of principled support for system evaluation and optimization at high level of abstraction makes the quality of the

Auschwitz, autenticitet, kunskap

This essay reflects on issues surrounding the remembrance and teaching of the Holocaust. It was commissioned by the project Living History and the Swedish Prime Minister's Office.