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This paper reports an efficient and accurate simulation method for vibrations and deformations of single- and multi-layer graphene membranes. In this method, a graphene membrane is modelled by a 2-D plate element whose thickness is changeable in COMSOL Multiphysics. The graphene is regarded as a linear isotropic elastic material, and the load-deformation behaviour is approximated as a doubly clamped...
The purpose of this study is to investigate the resonance characteristic of a double-ended quartz tuning fork (DEQTF) under the effect of slide-film air damping to achieve a high-performance resonant sensor for low pressure measurement. For the convenience of analysis, a simplified model is established. Theoretical and simulation methods have been carried out to research the air damping mechanism...
Numerical analysis and analog simulation are used to investigate the FSI (fluid structure interaction) characteristics of a differential pressure flow sensor. The FSI model is created using the hydromechanics and elastic mechanics, and a systematic theory is created to finish the numerical analysis. Then the working mechanism of the flow sensor is analyzed depend on the FSI results. The commercial...
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