建立了电压等级为40.5 k V真空灭弧室的二维模型,利用有限元软件ANSYS计算并分析了该40.5 k V真空灭弧室在不同主屏蔽罩半径下的电场和电位分布,对比了不同主屏蔽罩半径下触头沿面的电场强度分布以及波纹管屏蔽罩与主屏蔽罩弯角之间的...建立了电压等级为40.5 k V真空灭弧室的二维模型,利用有限元软件ANSYS计算并分析了该40.5 k V真空灭弧室在不同主屏蔽罩半径下的电场和电位分布,对比了不同主屏蔽罩半径下触头沿面的电场强度分布以及波纹管屏蔽罩与主屏蔽罩弯角之间的电场分布。结果表明:1主屏蔽罩半径越大,其电场强度越小,当半径大到一定程度时,电场强度不再随主屏蔽罩半径的变化而变化;2当主屏蔽罩半径为57 mm时,该40.5 k V真空灭弧室内部场强分布最为均匀。展开更多
The catenary shells of revolution are widely used in church constructions due to their unique mechanics'features.To have a better understanding of the deformation and stress of the catenary shells of revolution,we...The catenary shells of revolution are widely used in church constructions due to their unique mechanics'features.To have a better understanding of the deformation and stress of the catenary shells of revolution,we formulate the principal radii for two kinds of catenary shells of revolution and their displacement type governing equations.Numerical simulations are carried out based on both Reissner-Meissner(R-M)mixed formulations and displacement formulations.Our investigations show that both deformation and stress response of elastic catenary shells of revolution are sensitive to its geometric parameter c,and reveal that the mechanics of the catenary shells of revolution has some advantages over the spherical shell for some loadings.Two complete codes in Maple are provided.展开更多
文摘建立了电压等级为40.5 k V真空灭弧室的二维模型,利用有限元软件ANSYS计算并分析了该40.5 k V真空灭弧室在不同主屏蔽罩半径下的电场和电位分布,对比了不同主屏蔽罩半径下触头沿面的电场强度分布以及波纹管屏蔽罩与主屏蔽罩弯角之间的电场分布。结果表明:1主屏蔽罩半径越大,其电场强度越小,当半径大到一定程度时,电场强度不再随主屏蔽罩半径的变化而变化;2当主屏蔽罩半径为57 mm时,该40.5 k V真空灭弧室内部场强分布最为均匀。
基金supported by Xi'an University of Architecture and Technology(Grant No.002/2040221134).
文摘The catenary shells of revolution are widely used in church constructions due to their unique mechanics'features.To have a better understanding of the deformation and stress of the catenary shells of revolution,we formulate the principal radii for two kinds of catenary shells of revolution and their displacement type governing equations.Numerical simulations are carried out based on both Reissner-Meissner(R-M)mixed formulations and displacement formulations.Our investigations show that both deformation and stress response of elastic catenary shells of revolution are sensitive to its geometric parameter c,and reveal that the mechanics of the catenary shells of revolution has some advantages over the spherical shell for some loadings.Two complete codes in Maple are provided.
