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MAGNETOELASTIC NATURAL VIBRATION OF CONDUCTIVE CIRCULAR PLATE IN CURRENT-CARRYING COILS
As for the conductive plate in magnetic field generated by current-carrying three parallel coaxial circular coils and spherical coils,based on the Kirchhoff plate theory,the magnetoelastic transverse vibration equation of the plate in magnetic field was given. According to electromagnetic theory,the expressions of electromagnetic forces acting on circular plate in uniformly distributed region of the magnetic field generated by current-carrying coils were derived. By setting of a displacement function and using of Galerkin method,the magnetoelastic axisymmetric vibration differential equation of the plate and the expression of the natural frequency were obtained. By calculation examples,the curves of magnetoelastic natural vibration characteristics of the circular plate with clamped boundary condition and simply supported boundary condition were drawn. The analysis on laws of the natural frequency,damping ratio and electromagnetic moment varying with current intensity,turns of coils and plate thickness is presented finally.
MAGNETOELASTIC NATURAL VIBRATION OF CONDUCTIVE CIRCULAR PLATE IN CURRENT-CARRYING COILS
As for the conductive plate in magnetic field generated by current-carrying three parallel coaxial circular coils and spherical coils,based on the Kirchhoff plate theory,the magnetoelastic transverse vibration equation of the plate in magnetic field was given. According to electromagnetic theory,the expressions of electromagnetic forces acting on circular plate in uniformly distributed region of the magnetic field generated by current-carrying coils were derived. By setting of a displacement function and using of Galerkin method,the magnetoelastic axisymmetric vibration differential equation of the plate and the expression of the natural frequency were obtained. By calculation examples,the curves of magnetoelastic natural vibration characteristics of the circular plate with clamped boundary condition and simply supported boundary condition were drawn. The analysis on laws of the natural frequency,damping ratio and electromagnetic moment varying with current intensity,turns of coils and plate thickness is presented finally.
MAGNETOELASTIC NATURAL VIBRATION OF CONDUCTIVE CIRCULAR PLATE IN CURRENT-CARRYING COILS
XU HaoRan (author) / HU YuDa (author) / LI WenPing (author)
2019
Article (Journal)
Electronic Resource
Unknown
Metadata by DOAJ is licensed under CC BY-SA 1.0
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