仮想可変ばね逐次近似法によるVTRにおけるテープの接触解析

概要

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The contact problem between the magnetic tape and cylinder in a video tape recorder (VTR) is numerically analyzed, based on the virtual variable stiffness spring (VVSS) model iteration method. A head is assumed to have a uniform contact pressure. Green's function in tape deflection is first verified by the experiment on a commercially available VTR tape. The numerical iteration method based on VVSS model is next descried. From computer calculation, good convergent characteristics are shown for a wide range of iteration parameter values. Calculated results of the contact pressure and tape deflection around the head window are presented for various values of head protruding height. It is found that a fine division width less than 30 μm is necessary in the transverse direction in order to get a smooth contact pressure distribution.
一般社団法人日本機械学会の論文
1987-08-25