Πλοήγηση ανά Συγγραφέα "Karamanos, S. A."
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American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP: Foreword
Karamanos, S. A.; Clark, D. T.; O'Brien, C.; Fujita, K.; Chen, J. C.; Lin, J. W.; Fujita, S.; Tsai, C. S.; Sone, A.; Taniguchi, T.; Slagis, G.; Xu, J.; Furuya, O.; Suzuki, K. (2010) -
Axial compression capacity of welded-slip pipeline joints
Tsetseni, S.; Karamanos, S. A. (2007)Using advanced numerical tools, which account for the cold-expansion manufacturing process, the axial capacity of welded slip pipeline joints under compressive loading is investigated. The numerical results are in good ... -
Bending deformation capacity of large-diameter spiral-welded tubes
Vasilikis, D.; Karamanos, S. A.; Van Es, S. H. J.; Gresnigt, A. M. (2014)Numerical simulations are conducted to define the bending deformation capacity of large-diameter spiral-welded tubes, towards efficient strain-based design. Under bending loading, the principal failure mode of those tubes ... -
Bending instabilities of elastic tubes
Karamanos, S. A. (2002)The present paper examines instabilities of long thin elastic tubes. Both initially straight and initially bent tubes are analyzed under in-plane bending. Tube response, a combination of ovalization instability and bifurcation ... -
Buckling and classification of high-strength steel CHS tubular members under axial compression and bending
Pappa, P.; Karamanos, S. A. (2012)EN 1993-1-1 provisions classify high-strength steel CHS members with relatively low values of D/t ratio as Class 3 or 4, so that their strength is based on elastic behavior only, neglecting their capability of sustaining ... -
Buckling and post-buckling of long pressurized elastic thin-walled tubes under in-plane bending
Houliara, S.; Karamanos, S. A. (2006)The present paper focuses on the structural stability of long uniformly pressurized thin elastic tubular shells subjected to in-plane bending. Using a special-purpose non-linear finite element technique, bifurcation on the ... -
Buckling design of confined steel cylinders under external pressure
Vasilikis, D.; Karamanos, S. A. (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 Design of Confined Steel Cylinders Under External Pressure
Vasilikis, D.; Karamanos, S. A. (2011)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 clad pipes under bending and external pressure
Vasilikis, D.; Karamanos, S. A. (2011)The present paper concerns the structural behaviour of clad pipes. This is a double wall pipe, composed by two pipes that are in contact through an appropriate manufacturing procedure; a thick-walled carbon steel "outer ... -
Buckling of high-strength steel cylinders under cyclic bending in the inelastic range
Varelis, G. E.; Karamanos, S. A. (2013)The present paper examines the structural behavior of high-strength elongated steel cylinders, referred to as tubes or pipes, subjected to strong cyclic bending, through a rigorous finite element simulation. The cylinder ... -
Buckling of High-Strength Steel Cylinders Under Cyclic Bending in the Inelastic Range
Varelis, G. E.; Karamanos, S. A. (2014)The present paper examines the structural behavior of elongated steel hollow cylinders, referred to as tubes or pipes, subjected to large cyclic bending, through a rigorous finite element simulation. The bent cylinders ... -
Buckling of Thin-Walled Long Steel Cylinders Subjected to Bending
Houliara, S.; Karamanos, S. A. (2011)The present paper investigates structural response and buckling of long unstiffened thin-walled cylindrical steel shells, subjected to bending moments, with particular emphasis on stability design. The cylinder response ... -
Buckling of thin-walled long steel cylinders under bending
Houliara, S.; Karamanos, S. A. (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 ... -
Buckling of unconfined and confined thin-walled steel cylinders under external pressure
Vasilikis, D.; Karamanos, S. A. (2008)The present paper investigates the structural stability of thin-walled steel cylinders subjected to uniform external pressure. A brief discussion of unconfined steel cylinder buckling is presented first. Subsequently, ... -
Buried steel pipelines crossing strike-slip faults
Vazouras, P.; Karamanos, S. A.; Dakoulas, P. (2012)The paper examines the behaviour of buried steel pipelines crossing active strike-slip faults. The vertical fault plane is crossed by the pipeline at an angle ranging between zero and 45 degrees, causing significant plastic ... -
Closure: "Mechanics of Confined Thin-Walled Cylinders Subjected to External Pressure," (Vasilikis, D., and Karamanos, S., 2014, Appl. Mech. Rev., 66, p. 011001)
Vasilikis, D.; Karamanos, S. A. (2014) -
Collapse of pressurized elastoplastic tubular members under lateral loads
Karamanos, S. A.; Eleftheriadis, C. (2004)The present work examines the collapse of tubular members subjected to lateral (transverse) quasi-static loading in the presence of uniform pressure. In particular, it investigates pressure effects on the ultimate lateral ... -
Denting of internally pressurized tubes under lateral loads
Karamanos, S. A.; Andreadakis, K. P. (2006)The present work examines the structural response of tubular members subjected to lateral quasi-static loading, imposed by wedge-shaped denting devices, in the presence of internal pressure. First, tubes are modeled with ... -
Effect of UOE manufacturing process on pressure buckling of thick-walled pipes
Varelis, G. E.; Vathi, M.; Houliara, S.; Karamanos, S. A. (2009) -
Effects of UOE manufacturing process on pressurized bending response of offshore pipes
Chatzopoulou, G.; Karamanos, S. A.; Varelis, G. E. (2014)Thick-walled steel pipes manufactured through the UOE process are used in deep-water pipeline applications for the safe and cost-effective transmission of hydrocarbon energy resources. Such pipes are subjected to bending ...