All Outputs (32)

Computational studies of pressure distribution around a 5:1 rectangular section in turbulent flow (2015)
Presentation / Conference Contribution
Nguyen, D. T., Hargreaves, D., & Owen, J. Computational studies of pressure distribution around a 5:1 rectangular section in turbulent flow. Presented at 14th International Conference on Wind Engineering

This paper presents a numerical method based on a LES approach to modelling the unsteady flow around and the vortex-induced vibration (VIV) of a 5:1 rectangular cylinder in the smooth and turbulent flow. A fluid-structure interaction algorithm was al... Read More about Computational studies of pressure distribution around a 5:1 rectangular section in turbulent flow.

Influence of preload and nonlinearity of railpads on vibration of railway tracks under stationary and moving harmonic loads (2015)
Journal Article
Koroma, S. G., Hussein, M. F., & Owen, J. S. (2015). Influence of preload and nonlinearity of railpads on vibration of railway tracks under stationary and moving harmonic loads. Journal of Low Frequency Noise, Vibration and Active Control, 34(3), https://doi.org/10.1260/0263-0923.34.3.289

In railway track dynamics, the stiffness and damping properties of railpads have a significant effect on track vibration, decay rates as well forces transmitted to the track supporting structure. Many studies have shown that railpads exhibit pronounc... Read More about Influence of preload and nonlinearity of railpads on vibration of railway tracks under stationary and moving harmonic loads.

Experimental investigation on the dynamic response of RC flat slabs after a sudden column loss (2015)
Journal Article
Russell, J., Owen, J., & Hajirasouliha, I. (2015). Experimental investigation on the dynamic response of RC flat slabs after a sudden column loss. Engineering Structures, 99, https://doi.org/10.1016/j.engstruct.2015.04.040

To prevent disproportionate collapse under an extreme loading event, a sudden column loss scenario is often used to ensure the structure has suitable robustness. This study aims to investigate experimentally the dynamic response of reinforced concret... Read More about Experimental investigation on the dynamic response of RC flat slabs after a sudden column loss.

On the applicability of 2D URANS and SST k-ω turbulence model to the fluid-structure interaction of rectangular cylinders (2015)
Journal Article
Nieto, F., Hargreaves, D., Owen, J. S., & Hernández, S. (in press). On the applicability of 2D URANS and SST k-ω turbulence model to the fluid-structure interaction of rectangular cylinders. Engineering Applications of Computational Fluid Mechanics, 9(1), https://doi.org/10.1080/19942060.2015.1004817

In this work the practical applicability of a 2D URANS approach adopting a block structured mesh and Menter's SST k-ω turbulence model in fluid-structure interaction (FSI) problems is studied using as a test case a ratio B/H = 4 rectangular cylinder.... Read More about On the applicability of 2D URANS and SST k-ω turbulence model to the fluid-structure interaction of rectangular cylinders.

Modelling the prestress transfer in pre-tensioned concrete elements (2015)
Journal Article
Abdelatif, A. O., Owen, J. S., & Hussein, M. F. (2015). Modelling the prestress transfer in pre-tensioned concrete elements. Finite Elements in Analysis and Design, 94, https://doi.org/10.1016/j.finel.2014.09.007

Three models were developed to simulate the transfer of prestress force from steel to concrete in pre-tensioned concrete elements. The first is an analytical model based on the thick-walled cylinder theory and considers linear material properties for... Read More about Modelling the prestress transfer in pre-tensioned concrete elements.

Modelling the degradation of vibration characteristics of reinforced concrete beams due to flexural damage (2014)
Journal Article
Hamad, W., Owen, J., & Hussein, M. (2015). Modelling the degradation of vibration characteristics of reinforced concrete beams due to flexural damage. Structural Control and Health Monitoring, 22(6), https://doi.org/10.1002/stc.1726

This paper presents an improved crack model incorporating non-linearity of flexural damage in concrete to reproduce changes in vibration properties of cracked reinforced concrete beams. A reinforced concrete beam model with multiple-distributed flexu... Read More about Modelling the degradation of vibration characteristics of reinforced concrete beams due to flexural damage.

Experimental identification of the lateral human–structure interaction mechanism and assessment of the inverted-pendulum biomechanical model (2014)
Journal Article
Carroll, S. P., Owen, J. S., & Hussein, M. F. (2014). Experimental identification of the lateral human–structure interaction mechanism and assessment of the inverted-pendulum biomechanical model. Journal of Sound and Vibration, 333(22), https://doi.org/10.1016/j.jsv.2014.06.022

Within the context of crowd-induced lateral bridge vibration, human–structure interaction (HSI) is a widely studied phenomenon. Central to this study is the self-excited component of the ground reaction force (GRF). This force harmonic, induced by a... Read More about Experimental identification of the lateral human–structure interaction mechanism and assessment of the inverted-pendulum biomechanical model.

The computational fluid dynamics modelling of the autorotation of square, flat plates (2014)
Journal Article
Hargreaves, D., Kakimpa, B., & Owen, J. S. (2014). The computational fluid dynamics modelling of the autorotation of square, flat plates. Journal of Fluids and Structures, 46, https://doi.org/10.1016/j.jfluidstructs.2013.12.006

This paper examines the use of a coupled Computational Fluid Dynamics (CFD) – Rigid Body Dynamics (RBD) model to study the fixed-axis autorotation of a square flat plate. The calibration of the model against existing wind tunnel data is described. Du... Read More about The computational fluid dynamics modelling of the autorotation of square, flat plates.

Vibration of a beam on continuous elastic foundation with nonhomogeneous stiffness and damping under a harmonically excited mass (2014)
Journal Article
Koroma, S. G., Hussein, M. F., & Owen, J. S. (2014). Vibration of a beam on continuous elastic foundation with nonhomogeneous stiffness and damping under a harmonically excited mass. Journal of Sound and Vibration, 333(9), https://doi.org/10.1016/j.jsv.2014.01.001

In this paper, a method of analysis of a beam that is continuously supported on a linear nonhomogeneous elastic foundation and subjected to a harmonically excited mass is presented. The solution is obtained by decomposing the nonhomogeneous foundatio... Read More about Vibration of a beam on continuous elastic foundation with nonhomogeneous stiffness and damping under a harmonically excited mass.

Application of 2D URANS in fluid structure interaction problems of rectangular cylinders (2014)
Presentation / Conference Contribution
Nieto, F., Hargreaves, D., Owen, J., & Hernández, S. (2014, July). Application of 2D URANS in fluid structure interaction problems of rectangular cylinders. Presented at AFM2014, A Coruña, Spain

© 2014 WIT Press. In this work the authors have studied the applicability of the 2D URANS approach adopting a block structured mesh and Menter’s SST k-omega turbulence model for the aspect ratio 4 rectangular cylinder. As a first step, a verification... Read More about Application of 2D URANS in fluid structure interaction problems of rectangular cylinders.

Modeling the re-anchoring of a ruptured tendon in bonded post-tensioned concrete (2012)
Presentation / Conference Contribution
Abdelatif, A. O., Owen, J. S., & Hussein, M. F. Modeling the re-anchoring of a ruptured tendon in bonded post-tensioned concrete. Presented at Bond in Concrete 2012 – General Aspects of Bond

: In this study, a theoretical model is deve loped to simulate the re-anchorage of a ruptured
bonded post-tensioning tendon. This includes estimating the re-anchorage length and stress distribution over
the tendon. The model accounts for equilibr... Read More about Modeling the re-anchoring of a ruptured tendon in bonded post-tensioned concrete.

Re-anchorage of a ruptured tendon in bonded post-tensioned concrete beams: model validation
Journal Article
Abdelatif, A. O., Owen, J. S., & Hussein, M. F. Re-anchorage of a ruptured tendon in bonded post-tensioned concrete beams: model validation. Key Engineering Materials, 569, https://doi.org/10.4028/www.scientific.net/KEM.569-570.302

Many post-tensioned concrete bridges have been reported to have ruptured tendons due to corrosion [1] and the assessment of their residual structural capacity has to account for the possibility of re-anchorage of failed tendons. This paper presents a... Read More about Re-anchorage of a ruptured tendon in bonded post-tensioned concrete beams: model validation.