Πλοήγηση ανά Θέμα "Pressure vessels"
Αποτελέσματα 1-19 από 19
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Analytical methodologies for buried pipeline design in geohazard areas
(2016)In geohazard areas, buried pipelines are subjected to permanent ground deformations, which constitute major threats for their structural safety. Geohazards include seismic fault movement, liquefaction-induced lateral ... -
Buckling design of confined steel cylinders under external pressure
(2010)Thin-walled steel cylinders surrounded by an elastic medium, when subjected to uniform external pressure may buckle. In the present paper, using a two dimensional model with nonlinear finite elements, which accounts for ... -
Buckling of thin-walled long steel cylinders under bending
(2010)The present paper investigates structural response and buckling of long unstiffened thin-walled cylindrical steel shells, subjected to bending moments, with particular emphasis on their stability design. The cylinder ... -
Fatigue crack growth and remaining life assessment of 2024 aluminum with variation in microstructure
(2010)The LTSM-F crack growth model is implemented in the present work for the assessment of crack growth and remaining fatigue life of 2024 aluminium alloy with different microstructure. The effect of microstructure in the crack ... -
Finite element analysis of cyclically-loaded steel pipes during deep water reeling installation
(2015)Thick-walled steel pipes during their installation in deepwater are subjected to combined loading of external pressure and bending, which may trigger structural instability due to excessive pipe ovalization with catastrophic ... -
Finite element analysis of industrial steel elbows under strong cyclic loading
(2011)Steel elbows are used in petrochemical facilities and power plants. In the case of an earthquake event, in addition to other service loads, they are subjected to strong repeated cyclic structural loading that may lead to ... -
Finite element analysis of sloshing in AXI-symmetric vessels
(2008)The present paper investigates externally-induced sloshing in axi-symmetric liquid containers, with emphasis on industrial spherical containers, using an efficient numerical formulation, based on modal analysis. Assuming ... -
Finite element analysis of sloshing in horizontal-cylindrical industrial vessels under earthquake loading
(2005)The present paper presents a finite-element formulation for earthquake-induced sloshing in horizontal-cylindrical industrial vessels. Assuming small-amplitude free-surface elevation, a linearized sloshing problem is obtained, ... -
Low-cycle fatigue of base-plate-to-shell connection in uplifting liquid storage tanks under seismic loading
(2019)Unanchored steel tanks, subjected to strong seismic loading, may exhibit base plate uplifting. Under repeated uplifting, the welded connection of the tank base plate with the tank shell (a fillet-welded connection) is ... -
Mechanical behavior of steel pipes with local wall distortions under cyclic loading
(2012)Evaluating the severity of pipe wall distortions is a crucial step towards safeguarding the structural integrity of aging hydrocarbon pipeline infrastructure. The present research refers to the remaining life of oil and ... -
Numerical simulation of CFRP reinforced steel pipe elbows subjected to cyclic loading
(2016)Strengthening of pipelines and piping systems under extreme loading conditions increases their operation safety level towards safeguarding their structural integrity. Motivated by the structural integrity of pipelines and ... -
The OECD-NEA programme on metallic component margins under high seismic loads (MECOS)
(2016)MECOS is Post-Fukushima OECD/NEA initiative, with the following main objectives: - To quantify the existing margins in seismic analysis of safety class components and assess the existing design practices within a benchmark ... -
Performance criteria for liquid storage tanks and piping systems subjected to seismic loading
(2015)In this paper, performance criteria for the seismic design of industrial liquid storage tanks and piping systems are proposed, aimed at defining a performance-based design framework towards reliable development of fragility ... -
Pipe elbows under strong cyclic loading
(2012)Motivated by the response of industrial piping under seismic loading conditions, the present study examines the behavior of steel process piping elbows, subjected to strong cyclic loading conditions. A set of experiments ... -
Seismic analysis and design of industrial pressure vessels
(2011)The present paper focuses on the seismic analysis and design of horizontal-cylindrical and vertical-cylindrical pressure vessels. First, a comparison of the seismic provisions in ASME B&PV code and in EN 13445-3 is conducted ... -
Seismic response of unanchored liquid storage tanks
(2012)Unanchored liquid storage tanks under strong earthquake loading tend to uplift. In the present study, the effects of base uplifting on the seismic response of unanchored tanks are presented with emphasis on elephant's foot ... -
Simplified model for the seismic performance of unanchored liquid storage tanks
(2015)Ground-supported unanchored liquid-storage cylindrical tanks, when subjected to strong seismic loading may exhibit uplifting of their bottom plate, which has significant effects on their dynamic behavior and strength. Those ... -
Simulation of piping ratcheting experiments using advanced plane-stress cyclic elastoplasticity models
(2019)Industrial steel piping components are often subjected to severe cyclic loading conditions which introduce large inelastic strains and can lead to low-cycle fatigue. Modeling of their structural response requires the ... -
STRUCTURAL RESPONSE OF SUBSEA PIPE ELBOWS UNDER MONOTONIC AND CYCLIC LOADING
(2022)Pipe bends (elbows) are commonly used components in subsea piping systems. They are quite flexible compared to the corresponding straight pipes and are used to reduce the reaction forces and moments at the supports and the ...