Prospective postgraduates

 

Topic Details  Supervisor

Active control of vibrations in civil structures

Active control has emerged as a very powerful technology for control of vibrations in civil engineering structures. However, there remains potential for further improvements in the control algorithms and in the enabling technologies (sensors, actuators, communications between units, etc.). This project will narrow down and explore some of these aspects.

Paul Reynolds




Semi-active damping technologies for low level vibrations in civil structures Semi-active damping is a generic term for passive vibration control where the damping device can change its properties in real time to enhance dissipation of vibration energy. This can be achieved through devices such as magnetorheological (MR) fluids, variable friction devices and controllable orifice dampers, amongst many others. This project will focus on the applicaiton of MR dampers to vibration serviceability problems, with focus on high energy events (e.g. crowds during sports/concert events) where active control might prove to be infeasible due to large control forces required.
Passive, active and hybrid isolation technologies for vibration-sensitive facilities There is increasing need for high quality vibration environments for highly senstive equipment, such as scientific instrumentation, medical imaging and low tolerance manufacturing activities. This project will look at passive, active and hybridg isolation technologies to achieve high performance of these facilities.
Perception of vibration for stationary and moving people in objects of infrastructure   Alex Pavic





Vibration serviceability of tall timber towers  
"Virtual instrument" development based on full scale modal testing and FE model updating of objects of infrastructure  
Monitoring human motion using wearable sensors to reduce risk of trips and falls  
Effects of vertical non-structural partitions and facade on vibration performance of building floors  
Monitoring and modelling effects of extreme events on as-built structures

We will explore behaviour of real life building, bridge and other structures, including in-situ monitoring and simulation of their behaviour, under extreme events such as flooding, high-wind, over-crowding and extreme temperatures.

Modelling and mitigating low level ground borne vibrations transmitted to vibration sensitive facilities The research will seek to develop analytical models of vibration propagation from source to receiver, possibly involving experimental validation. Here is an example of such research in practice. http://www.icevirtuallibrary.com/doi/abs/10.1680/jstbu.14.00133 James Brownjohn
Modelling behaviour of bridge bearings and expansion joints Degradation and failure of bridge movement joints, specifically bearings and expansion joints, is a major problem for bridge managers, as their degradation or failure can result in huge indirect costs due to disruption of transport networks through full or partial bridge closure. The student will deveopl analytical and experimental technologies to support diagnosis and prognosis of these imortant bridge components. 
Big data analytics for monitoring-based management of civil infrastructure  

Prakash Kripakaran

Transport network resilience: Assessing the impact of transport asset failures  
Experimental and numerical evaluation of hydrodynamic effects on bridges  
Performance assessment of masonry arch bridges through field monitoring  

 

 

 

 

 

Google+