Shakedown boundary determination of a 90 back-to-back pipe bend subjected to steady internal pressures and cyclic in-plane bending moments

HF Abdalla - International Journal of Pressure Vessels and Piping, 2014 - Elsevier
No experimental data exist within open literature, to the best knowledge of the author, for
determining shakedown boundaries of 90° back-to-back pipe bends. Ninety degree back-to …

A generalised method for ratchet analysis of structures undergoing arbitrary thermo‐mechanical load histories

M Lytwyn, HF Chen, ARS Ponter - International Journal for …, 2015 - Wiley Online Library
A novel approach is presented based upon the Linear Matching Method framework in order
to directly calculate the ratchet limit of structures subjected to arbitrary thermo‐mechanical …

Effect of wall thinning on the shakedown interaction diagrams of 90-degree back-to-Back bends subjected to simultaneous steady internal pressures and cyclic in …

HF Abdalla - Thin-Walled Structures, 2019 - Elsevier
This research studies the effect of wall thinning on generated shakedown (SD) interaction
diagrams of pressurized low-carbon steel 90-degree (90-Deg) back-to-back (B2B) bends …

Shakedown analysis of 90-degree mitred pipe bends

AG Korba, MM Megahed, HF Abdalla… - European Journal of …, 2013 - Elsevier
The behaviours of smooth 90-degree pipe bends under cyclic loading have received
substantial attention in recent years where shakedown and ratchetting domains have been …

Shakedown limit loads for 90 degree scheduled pipe bends subjected to steady internal pressure and cyclic bending moments

HF Abdalla, MM Megahed, MYA Younan - 2011 - asmedigitalcollection.asme.org
A simplified technique for determining the shakedown limit load for a long radius 90 deg
pipe bend was previously developed (Abdalla, HF, et al., 2006,“Determination of …

A simplified technique for shakedown limit load determination of a large square plate with a small central hole under cyclic biaxial loading

HF Abdalla, MM Megahed, MYA Younan - Nuclear Engineering and Design, 2011 - Elsevier
A simplified technique for determining the shakedown limit load of a structure was previously
developed and successfully applied to benchmark shakedown problems involving uniaxial …

Shakedown limit load determination for a kinematically hardening 90 deg pipe bend subjected to steady internal pressures and cyclic bending moments

HF Abdalla, MYA Younan, MM Megahed - 2011 - asmedigitalcollection.asme.org
A simplified technique for determining the lower bound shakedown limit load of a structure,
employing an elastic–perfectly plastic (EPP) material model, was previously developed and …

Shakedown limit load determination of a cylindrical vessel–nozzle intersection subjected to steady internal pressures and cyclic in-plane bending moments

HF Abdalla - Journal of Pressure Vessel Technology, 2014 - asmedigitalcollection.asme.org
In the current research, the elastic shakedown limit loads for a cylindrical vessel–nozzle
intersection is determined via a direct noncyclic simplified technique. The cylindrical vessel …

A novel methodology for determining the elastic shakedown limit loads via computing the plastic work dissipation

HF Abdalla - International Journal of Pressure Vessels and Piping, 2021 - Elsevier
A methodology that targets determining the shakedown (SD) limit loads via computing the
plastic work dissipation (PWD) is presented. The methodology is termed: Shakedown Limit …

Effect of local wall thinning on shakedown regimes of pressurized elbows subjected to cyclic in-plane and out-of-plane bending

AA Oda, MM Megahed, HF Abdalla - International Journal of Pressure …, 2015 - Elsevier
The current research utilizes a direct non-cyclic technique to generate elastic shakedown
domains for thinned-wall 90° elbows. The elbows are subjected to simultaneous steady …