Structural response of stiffened plates in similitude under a turbulent boundary layer excitation

被引：19

作者：

Franco, Francesco ^{[1
]}

Berry, Alain ^{[2
]}

Petrone, Giuseppe ^{[1
]}

De Rosa, Sergio ^{[1
]}

Ciappi, Elena ^{[3
]}

Robin, Olivier ^{[2
]}

机构：

[1] Univ Napoli Federico II, Pasta Lab, Dept Ind Engn, Via Claudio 21, I-80125 Naples, Italy

[2] Univ Sherbrooke, Grp Acoust, Dept Genie Mecan, Univ Sherbrooke GAUS, Sherbrooke, PQ J1K 2R1, Canada

[3] CNR INM Inst Marine Engn, Via Vallerano 139, I-00128 Rome, Italy

来源：

JOURNAL OF FLUIDS AND STRUCTURES | 2020年 / 98卷

关键词：

Similitude laws; Stiffened plates; Stochastic structural response; Turbulent boundary layer load; WALL-PRESSURE FLUCTUATIONS; VIBRATION RESPONSE; FLAT; LAWS;

D O I：

10.1016/j.jfluidstructs.2020.103119

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In structural dynamics, similitude laws usually deal with simple configurations as thin flat plates with point forces. Only recently, few papers have analyzed stiffened shells or stochastic pressure loads. This research activity extends the applicability of some similitude laws, developed for thin flat plates under a turbulent boundary layer load, to ribbed plates forced by the same wall pressure fluctuations. The work addresses the problem of designing a scaled experimental test-article and, successively, of re-modulating the measured data in order to get the structural response of an original (unscaled) configuration. Due to the complexity of the structural domain, the design of a scaled configuration leads to a distorted similitude. Then, a simple approach, to circumvent the distortion effects, is proposed. (c) 2020 Elsevier Ltd. All rights reserved.

引用

页数：13

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