Advanced proper orthogonal decomposition tools: using reduced order models to identify normal modes of vibration and slow invariant manifolds in the dynamics of …

I Georgiou - Nonlinear dynamics, 2005 - Springer
Reduced order models for the dynamics of geometrically exact planar rods are derived by
projecting the nonlinear equations of motion onto a subspace spanned by a set of proper …

[HTML][HTML] Real-time modelling of diastolic filling of the heart using the proper orthogonal decomposition with interpolation

RR Rama, S Skatulla, C Sansour - International Journal of Solids and …, 2016 - Elsevier
In this research, a reduced order method (ROM) called the Proper Orthogonal
Decomposition with Interpolation (PODI) is used to drastically reduce computation time of …

On the design of energy–momentum integration schemes for arbitrary continuum formulations. Applications to classical and chaotic motion of shells

C Sansour, P Wriggers… - International journal for …, 2004 - Wiley Online Library
The construction of energy–momentum methods depends heavily on three kinds of non‐
linearities:(1) the geometric (non‐linearity of the strain–displacement relation),(2) the …

Interaction between slow and fast oscillations in an infinite degree-of-freedom linear system coupled to a nonlinear subsystem: Theory and experiment

IT Georgiou, I Schwartz… - Journal of Applied …, 1999 - asmedigitalcollection.asme.org
The interaction dynamics of a cantilever linear beam coupled to a nonlinear pendulum, a
prototype for linear/nonlinear coupled structures of infinite degrees-of-freedom, has been …

Towards real-time cardiac mechanics modelling with patient-specific heart anatomies

RR Rama, S Skatulla - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
A reduced order method (ROM) called the Proper Orthogonal Decomposition with
Interpolation (PODI) is used to solve cardiac mechanics problems in an efficient manner …

[PDF][PDF] Real-time modelling of the heart using the proper orthogonal decomposition with interpolation

RR Rama, S Skatulla… - VI International Conference …, 2015 - congress.cimne.com
In this research, a reduced order method (ROM) called the Proper Orthogonal
Decomposition with Interpolation (PODI) is used to drastically reduce computation time of …

Advanced processing of collocated acceleration signals in symmetric beam-like structures with applications to damage detection in a propeller

IT Georgiou - Journal of intelligent material systems and …, 2011 - journals.sagepub.com
It is found that ensembles of collocated experimental acceleration signals induced by
impulses applied sequentially over the surface of beam-like structures are characterized by …

[BOOK][B] Insights and Innovations in Structural Engineering, Mechanics and Computation: Proceedings of the Sixth International Conference on Structural Engineering …

A Zingoni - 2016 - taylorfrancis.com
Insights and Innovations in Structural Engineering, Mechanics and Computation comprises
360 papers that were presented at the Sixth International Conference on Structural …

[PDF][PDF] Proper orthogonal decomposition with interpolation-based real-time modelling of the heart

RR Rama - 2017 - open.uct.ac.za
Several studies have been carried out recently with the aim of achieving cardiac modelling
of the whole heart for a full heartbeat. However, within the context of the Galerkin method …

Invariant manifolds, nonclassical normal modes, and proper orthogonal modes in the dynamics of the flexible spherical pendulum

IT Georgiou, IB Schwartz - Normal Modes and Localization in Nonlinear …, 2001 - Springer
It is shown that the flexible spherical pendulum undergoes purely slow motions with master
and slaved components. The family of slow motions is realized as a three-dimensional …