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Increasing power density in power electronics applications requires optimum design of the cooling system. Finding the optimum design by manufacturing prototypes is often difficult, time consuming and expensive due to the large number of variable parameters. The choice of the optimal heat sink-fan combination can be assisted by a number of different numerical simulation methods. In a case study of...
A comparison between modelling and simulation methods in regard to model order reduction (MOR) in finite element (FE) simulation tools is presented. Two main software tools are taken into consideration: ANSYS Multiphysics 11 with its extension MOR for ANSYS 2.55 and COMSOL Multiphysics 3.5a with a model order reduction interface to MATLAB/Simulink. The results achived with both software packages are...
The aim of this study was to determine placental growth between 12–22 weeks in normal pregnancies compared to pregnancies complicated by foetal SGA and maternal pre-eclampsia (PE). The placentae of 1199 women were measured 3D sonographically at 12, 16 and 22 weeks of gestation. Placental volume growth was then calculated. Neonatal birthweight, birth centile and the occurrence of pre-eclampsia were...
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