OS0623 多孔板有効応力概念の管板構造設計への適用性評価(OS06-05 材料強度の発現機構,OS06 微視構造を有する材料の変形と破壊(3))

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  • OS0623 Applicability of effective stress concept to structural design of tubesheets

説明

For design analysis of perforated plates, axi-symmetric models with equivalent solid plates are conventionally adopted to simplify perforated geometries. ASME Sec.III Appendix A-8000 provides elastic constants for equivalent solid plates. To extend applicable area of equivalent solid plates to inelastic analysis, the general determination method of non-linear equivalent material properties for perforated plates was proposed based on the effective stress ratio (ESR). This study examined applicability of effective stress concept to structural design of plat and spherical tubesheet structures.

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