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In this paper, the thermal field of a large scale permanent magnet embedded salient pole wind generator (PMESPWG) is investigated by using the computational fluid dynamic (CFD) modeling. To reduce the calculation, only one quarter model of the PMESPWG is established according to its symmetry. Based on the electromagnetic analysis and the empirical equations, the copper loss, stator iron loss and rotor...
We present a new model for the simulation of negative differential resistance (??snapback??) in a phase-change memory cell using an electrothermal finite-element iterative calculation implemented in ANSYS. This model improves upon our previous models by applying a double Arrhenius temperature-dependent resistivity for the amorphous chalcogenide, and a JMAK (n=3.5) model to describe the phase-change...
The study of low-k TDDB line space scaling is important for assuring robust reliability for new technologies. Although spacing effects due to line edge roughness (LER) on low-k TDDB lifetime were reported previously (Chen et al., 2007; Lloyd et al., 2007; Kim et al., 2007), there has been a lack of an analytical model with which to link line edge roughness to experimental TDDB data in a simple quantitative...
A simulation procedure using the conventional thermal-electric finite element method for the phase change memory has been developed. By introducing a defect on the amorphous chalcogenide of a reset phase change memory, the snapback by hot filament due to thermal runaway has been investigated by the numerical simulations with three-dimensional model.
The stress transfer in bimatrix fragmentation specimens has been successfully analysed by finite element methods. When a bimatrix specimen in which a glass fibre coated with phenolic resin was embedded in a ductile epoxy resin block and tensile tested, it was found that the phenolic resin coating first fractures transversely, but the transverse fracture does not affect the stress transfer from epoxy...
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