Serviceable and sustainable buildings: linking full scale measurement, human factors simulations and active control - EUROSTRUCT

by EuroStruct 2018
3 months ago
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Short Bio
James Brownjohn, FIStructE, FIMechE, MASCE is Professor of Structural Dynamics in the Vibration engineering Section at the University of Exeter, Director of Full Scale Dynamics Ltd and Director of FSD Active Ltd.
He has 35 years of expertise in structural monitoring and field testing of civil structures including buildings in the UK and Far East. His professional and research interests have closely aligned, with experimental investigations on suspension bridges, tall buildings, extreme low vibration facilities, telecoms towers and Victorian era lighthouses. A major interest has been motion and force capture for humans interacting with civil structures in dynamic behaviour. As principal investigator for the new VSimulators@Exeter motion and virtual reality simulator he can bring all this expertise to bear on improving sustainability and serviceability of structures for human use.


Abstract
Vibration serviceability has become a governing design criterion for modern engineered buildings whose height may lead to excessive sway and whose long span lightweight floors may be excessively lively due to footfall. Adding mass and stiffness is no longer a sustainable or even economic option and rational design approaches are now available that put human building occupants directly in the design loop.
For a new build, numerical simulations informed by experience of full scale performance can be used to simulate dynamic behaviour that can be experienced in physical simulations incorporating motion and key environmental factors. For a retrofit, a modal model obtained by field testing allows users to directly experience dynamic behaviour with possible active or passive vibration mitigation measures in highly realistic virtual reality simulations.
The talk will show how full-scale building performance is captured via monitoring and measurement campaigns and fed into performance simulations, how simulated dynamic behaviour can be experienced and assessed in virtual reality environments and how novel active mass dampers can enable designs that are both sustainable and serviceable.

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Deadline: 14/06/2021 @ 16:00 CET

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