Large Deflection Analysis of A Circular Plate Subjected to Pressure Loading (Influence of Initial In-Plane Tension)

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  • 圧力負荷を受ける円板の大たわみ解析（初期面内張力のたわみに与える影響）
  • アツリョク フカ オ ウケル エンバン ノ オオタワミ カイセキ ショキメンナイ チョウリョク ノ タワミ ニ アタエル エイキョウ
  • Influence of Initial In-Plane Tension
  • 初期面内張力のたわみに与える影響

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In this paper, the large deflection problem of a circular plate subjected to internal pressure is treated. In-plane tension is acting before subjecting the pressure loading. In the deformation analysis of the circular plate, simultaneous nonlinear differential equation system is derived by applying the von Kárrmán's large deflection theory. The circular plate is clamped or simply supported at the boundary edge. At the finite element method formulation, the Galerkin method that is a kind of weighted residual method is applied. By numerical calculation, the present solution is compared with the solutions obtained from linear theory and the Heckey's membrane theory. Furthermore, it is also shown that the present solution approaches to the membrane solution for large values of a pressure parameter.

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