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Results on numerical simulation (NS) of lightning current distribution in components of round standing seam cladding structure are presented. NS was performed by using 3D models of two types: large-scale model (#1), better reproducing conditions for current distribution in natural cladding; small model (#2), reproducing the sample for laboratory tests. Analysis included cases related to injection...
This paper presents two numerical evaluation schemes to simulate the dielectric breakdown phenomena for the capacitive micro-arrayed ultrasonic transducers (CMUT). The performance of dielectric strength was investigated using a commercial finite element method (FEM) software package of ANSYS. The electro-mechanical model was established using the ANSYS parametric design language (APDL) technique....
Electrical discharges; especially electrical discharges in air are still one of the most unexplored fields of the physics. Lately, there are numerical models of electrical discharges appearing, special group of which are simulations. It appeared that the finite element method (FEM) is not a good choice for simulations to base on. Instead of FEM charge simulation method (CSM) has been used in work...
Based on the data which came from the spiral Computerized Tomography (CT) images of the healthy person and patient with Obstructive Sleep Apnea- Hypopnea Syndrome (OSAHS), the three-dimensional models of upper airway cavity were reconstructed by the method of surface rendering. The reconstruction three-dimensional models precisely preserve original configuration of upper airways, and the airflow of...
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