Simplified theoretical solution of circular toroidal shell with ribs under uniform external pressure

被引：17

作者：

Du, Qinghai ^{[1
,2
]}

Zou, Guang ^{[1
]}

Zhang, Bowen ^{[1
]}

Wan, Zhengquan ^{[1
]}

机构：

[1] China Ship Sci Res Ctr, Wuxi 214082, Jiangsu, Peoples R China

[2] Shanghai Ocean Univ, Shanghai Engn Res Ctr Hadal Sci & Technol, Hadal Sci & Technol Res Ctr, Coll Marine Sci, Shanghai 201306, Peoples R China

来源：

THIN-WALLED STRUCTURES | 2015年 / 96卷

基金：

中国国家自然科学基金;

关键词：

Toroidal shell; Theoretical solution; Curve-beam model; FEM; Experiment; CONCEPTUAL DESIGN; STABILITY;

D O I：

10.1016/j.tws.2015.07.019

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The toroidal shell with stiffened ribs is a new-style structure in ocean engineering especially in underwater engineering. This paper attempts to provide a simple theoretical method to obtain the stress solution of toroidal shell with ribs for its strength assessment. Firstly according to the structural property of toroidal shell with ribs and theory of curve-beam, a simple model for toroidal shell with ribs has been developed; then coupled with theory of thin-shell and elastic beam, its stress and deformation have been solved and can be expressed into analytic formulas; lastly by finite element method (FEM) and model experiment method, this simple theoretical solution has been verified to be reasonable and quite accurate. Thus this simple theoretical solution could be applied for analysis and design of pressure equipment in such toroidal structure type. (c) 2015 Elsevier Ltd. All rights reserved.

引用

页码：49 / 55

页数：7

共 22 条

[1]

[Anonymous], 2012, J SHIP MECH

[2] Collapse tests on externally pressurized toroids [J].

Blachut, J .

JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME, 2003, 125 (01) :91-96

[3] SYMMETRIC AND NONSYMMETRIC BUCKLING OF FINITELY DEFORMED ECCENTRICALLY STIFFENED SHELLS OF REVOLUTION [J].

BUSHNELL, D .

AIAA JOURNAL, 1967, 5 (08) :1455-&

[4] ON THE THEORY OF THIN ELASTIC TOROIDAL SHELLS [J].

CLARK, RA .

JOURNAL OF MATHEMATICS AND PHYSICS, 1950, 29 (03) :146-178

[5]

Du QH, 2009, MARSTRUCT BK SERIES, P77

[6]

Du Qinghai, 2015, OCEAN ENG

[7]

Du Qinghai, 2010, P ASME 2010 29 INT C, P6

[8]

Flugge W., 1965, LOCKHEED MISSILES SP, V3

[9] STABILITY OF COMPLETE CIRCULAR AND NONCIRCULAR TOROIDAL SHELLS [J].

GALLETLY, GD ;

BLACHUT, J .

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, 1995, 209 (04) :245-255

[10] Buckling of complex toroidal shell structures [J].

Galletly, GD ;

Galletly, DA .

THIN-WALLED STRUCTURES, 1996, 26 (03) :195-212

← 1 2 3 →