The Derivation of a Variational Principle Minimizing Experimental Measurement Errors and the Formulation of an Intelligent Hybrid Measurement Method for Non-steady-state Temperature Fields(Application)

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  • 非定常温度場における誤差最小化変分原理の導出とインテリジェントハイブリッド法の定式化(応用)
  • 非定常温度場における誤差最小化変分原理の導出とインテリジェントハイブリッド法の定式化
  • ヒテイジョウ オンドバ ニ オケル ゴサ サイショウカ ヘン ブン ゲンリ ノ ドウシュツ ト インテリジェント ハイブリッドホウ ノ テイシキカ

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A variational principle that minimizes the errors and noises associated with experimental measurements of two-dimensional non-steady-state temperature fields is investigated. The variational principle also assures the satisfaction of the governing time-developing heat conduction equation. On the basis of the variational principle, an intelligent hybrid experimental-numerical method is formulated and a scheme of calculation is presented. Furthermore, a numerical simulation is illustrated. The present paper is the extension of studies in steady-state temperature fields and is the development of researches in elastic deformation fields, elastic-plastic deformation fields, and the near-field of an interface crack tip.

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