1992
DOI: 10.1109/20.123867
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The calculation of capacitance and force in electrostatic fields by using the boundary element method

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Cited by 6 publications
(4 citation statements)
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“…The two spheres are placed inside an external cube having an edge length of 10 km. The value of the capacitance is calculated analytically by means of the method of image charges 78, 79 C = 2.2364 × 10 −9 F. The attractive force acting on the direction identified by the line which connects the two centers of the spheres is analytically computed by evaluating F = ( U 2 /2)∂ C /∂ x = 1.1812 × 10 −7 N. In Figure 17 and in Table IV the results in terms of the convergence of the values of capacitance and force with mesh refinement are shown. The force is computed by using the technique described in 80.…”
Section: Numerical Resultsmentioning
confidence: 99%
“…The two spheres are placed inside an external cube having an edge length of 10 km. The value of the capacitance is calculated analytically by means of the method of image charges 78, 79 C = 2.2364 × 10 −9 F. The attractive force acting on the direction identified by the line which connects the two centers of the spheres is analytically computed by evaluating F = ( U 2 /2)∂ C /∂ x = 1.1812 × 10 −7 N. In Figure 17 and in Table IV the results in terms of the convergence of the values of capacitance and force with mesh refinement are shown. The force is computed by using the technique described in 80.…”
Section: Numerical Resultsmentioning
confidence: 99%
“…Em capacitores com dois ou mais meios dielétricosé necessário calcular a capacitância equivalente através da associação da capacitância das camadas que formam o dispositivo. Além da capacitância, outra grandeza global de interesse em sistemas eletrostáticosé a força eletrostática que atua em uma dada parte do dispositivo [9]. No presente trabalho, as abordagens numérica e analítica para os cálculos de força são baseadas no método do tensor de Maxwell em função de seu fácil entendimento e implementação.…”
Section: Formulação Teóricaunclassified
“…onde n denota a direção normalà superfície [9]- [10]. Essa superfície deve ser definida na camada de ar que envolve um dos eletrodos e pode também ser usada para calcular a carga pela lei de Gauss.…”
Section: Formulação Teóricaunclassified
“…The deflections at the rotor pole tip start at 0.0 p m and increase in 0.5 p m steps to 3.0 pm, which represents the collapse of the rotor onto the lower stator. Each deflection of the rotor is modelled in the electrostatic simulation, and resulting forces on the rotor at this deflection are calculated, using the Maxwell stress method [18,19] applied at the surface of the conducting rotor pole:…”
Section: Introductionmentioning
confidence: 99%