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A DAE approach for solving the elasto-plastic boundary value problem

In this study an alternative integration scheme for elasto-plasticity based on a Diagonal Implicit Runge-Kutta (DIRK) scheme originally proposed by Ellsiepen (1999) is investigated. In contrast to clasical approaches, the DIRK scheme is applied to the balance of momentum as well as the constitutive evolution equations. The presented numerical algorithm is applied to an elastoplastic bounadry value

To Fold or To Fibrillate? Serendipity in Stability Studies

Popular Abstract in Swedish Det finns tre typer av makromolekyler som är grundläggande för allt liv på jorden: DNA, RNA och proteiner. I varje cell i kroppen finns en kopia av vår arvsmassa, DNA. Denna består av gener som avkodas först till RNA och sedan till tiotusentals proteiner. Alla gener är inte aktiva i varje cell eller i varje tidpunkt. Proteiner kontrollerar nästan alla aspekter av det viProteins are complex structures and years of research have been spent on attempts to understand their complexity. The non-covalent interactions involved in protein folding are: hydrophobic effect, electrostatic interactions, van der Waals interactions and hydrogen bonding. It has been of great interest to address the importance of each of those interactions in proteins. While hydrophobic effect is