... place), with an external cavity, where a cooling or heating fluid is circulating. Such equipments can theoretically be designed by analysis (DBA). However, it also cumulates difficulties: temperature variations and gradients (due to heat transfers), buckling (due to external pressure), and also fatigue...

... Abstract The buckling phenomenon is one of the main failure modes encountered in pressure vessels, due to the thin (shell-like) geometry of the structures involved and the predominant compressive stresses frequently observed under standard loads such as external pressure. This paper aims...

... Abstract In view of ongoing interest in novel materials exhibiting Negative Poisson Ratio (NPR), the current study examines its influence on buckling strength of externally pressurised torispherical pressure vessel closures. Failure pressures are computed for a fixed value of Poisson’s ratio, υ...

... BPVC Section VIII Division 2 buckling opening reinforcement large diameter openings Proceedings of the ASME 2024 Pressure Vessels & Piping Conference PVP2024 July 28-August 2, 2024, Bellevue, Washington PVP2024-122532 LARGE OPENINGS ON CYLINDRICAL SHELL SUBJECT TO AXIAL COMPRESSION James Lu...

...Proceedings of the ASME 2023 Pressure Vessels & Piping Conference PVP2023 July 16-21, 2023, Atlanta, Georgia PVP2023-107243 DESIGN OF TORISPHERICAL AND ELLIPSOIDAL HEADS IN PRESSURE VESSEL AND REVIEW OF RESTRICTIONS FOR THE ONSET OF BUCKLING-INTERNAL PRESSURE IN ASME SEC.VIII DIV.1: A COMPARATIVE...

... between fiber winding parameters and the external pressure of the liner. In addition, the critical buckling load of the hydrogen storage cylinder liner is obtained through the finite element method. The mapping relationship between fiber winding parameters and anti-instability inflation pressure...

... observed: buckling and bending deformations at the point of wall thinning. In the buckling mode, the buckling deformation at wall thinning progressed in accordance with the number of cyclic loading; finally, plastic instability occurred due to elephant foot buckling at full pipe cross-section...

... the fragility functions and to highlight the most critical elements and tank configurations. Keywords: buckling; damage; dynamic and seismic analysis; failure; nonlinear and inelastic analysis. 1. INTRODUCTION The adoption of steel storage legged tanks is very common in industrial areas. As a consequence...

... acceleration) is not necessarily optimal threfeore future developments should produce updated fragility curves for non-structural elements, using better performing intensity measures. Keywords: buckling; damage; dynamic and seismic analysis; failure; nonlinear and inelastic analysis. 1. INTRODUCTION Industrial...

... Abstract Thin-walled cylindrical shell structures are widely used in various engineering fields due to their highly efficient load carrying capacity. This kind of structures is prone to buckling failure when subjected to axial compression loads. Machining the shell into corrugated shape...

... focuses on the structural stability study of the teardrop shape vacuum chamber based on buckling analysis. Protection against collapse from buckling according to the ASME BPVC requirement has been evaluated in depth. First, a Type-1 bifurcation buckling analysis using a linear eigenvalue solution...

... Abstract Torispherical heads are known to exhibit buckling due to internal pressure for a variety of vessel configurations. This paper provides an overview of the phenomenon and includes Finite Element Analysis results to confirm the elastic buckling pressure threshold for a set...

... EE of ASME Sec. VIII, Div. 1 as well as in Part 4 of ASME Sec. VIII, Div. 2 and the users must demonstrate compliance by meeting U-2(g) for ASME Sec. VIII, Div. 1 and by designing in accordance with Part 5 for ASME Sec. VIII, Div. 2. For such design condition, elastic buckling and plastic deformation...

... Abstract This paper presents an numerical study on a large unanchored open-topped steel tank. The buckling behaviors of the tank are analyzed using the finite element computer package ANSYS by means of nonlinear stabilization algorithm. The effects of foundation harmonic settlement...

..., with specific emphasis on how this may affect a level 3 fitness for service assessment of a damaged storage tank. fitness-for-service storage tank buckling wind load CONSIDERATION OF WIND LOADS IN FITNESS FOR SERVICE ASSESSMENT OF STORAGE TANKS Gys van Zyl1, Stewart Long Integrity Engineering...

... is significant. In this paper, the elastic and elastic-plastic buckling analyses of a spherical latticed shell are carried out with whole process load-deformation method considering geometric and material non-linearity. The critical buckling loads of these two analysis types are obtained from the load...

... Abstract In engineering, thin-walled cylindrical shells subjected to axial compression load are very sensitive to geometric imperfections and are prone to buckling. However, how to reasonably take into account the influence of geometric imperfections on the load carrying capacity of thin-walled...

...COMPARISON OF ELLIPSOIDAL AND EQUIVALENT TORISPHERICAL HEADS UNDER INTERNAL PRESSURE: BUCKLING, PLASTIC COLLAPSE AND DESIGN RULES Jinyang Zheng Institute of Process Equipment, Zhejiang University Hangzhou, Zhejiang, 310027, P. R. China State Key Laboratory of Fluid Power and Mechatronic Systems...

... Abstract Buckling and fatigue evaluation of braced piping supports was conducted using numerical analysis. Buckling and fatigue occurred on the piping support during vibration and static load tests. A numerical model for the evaluation was developed, and the load–displacement relationship...

... Abstract For the required thickness estimation against buckling in the elevated temperature design, the external pressure chart for two kinds of ferritic steel, 2 1/4Cr-1Mo and Mod.9Cr-1Mo steel, was developed. On the basis of the guideline described in the ASME BPVC Section II, Part D...