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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Kelvin–Voigt material ： ウィキペディア英語版 Kelvin–Voigt material A Kelvin–Voigt material, also called a Voigt material, is a viscoelastic material having the properties both of elasticity and viscosity. It is named after the British physicist and engineer Lord Kelvin and after German physicist Woldemar Voigt. == Definition == The Kelvin–Voigt model, also called the Voigt model, can be represented by a purely viscous damper and purely elastic spring connected in parallel as shown in the picture. If we connect these two elements in series we get a model of a Maxwell material. Since the two components of the model are arranged in parallel, the strains in each component are identical: :$\backslash varepsilon\_\backslash text\; =\; \backslash varepsilon\_D\; =\; \backslash varepsilon\_S.$ Similarly, the total stress will be the sum of the stress in each component: :$\backslash sigma\_\backslash text\; =\; \backslash sigma\_D\; +\; \backslash sigma\_S.$ From these equations we get that in a Kelvin–Voigt material, stress σ, strain ε and their rates of change with respect to time ''t'' are governed by equations of the form: :$\backslash sigma\; (t)\; =\; E\; \backslash varepsilon(t)\; +\; \backslash eta\; \backslash frac\; ,$ where ''E'' is a modulus of elasticity and $\backslash eta$ is the viscosity. The equation can be applied either to the shear stress or normal stress of a material. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kelvin–Voigt material」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.