Now showing items 382-401 of 1633

    • Article  

      Earthquake Forecasting Based on Multi-State System Methodology 

      Karagrigoriou, Alex; Makrides, Andreas; Tsapanos, T.; Vougiouka, G. (2016)
      This paper deals with earthquake long term predictions based on multi-state system methodology. As a reference we consider the South America case which was examined (Tsapanos, Bull Geol Soc Gr XXXIV/4:1611–1617, 2001) in ...
    • Article  

      Editorial 

      Christodoulides, Paul; Papageorgiou, Demetrios T.; Smyrlis, Yiorgos-Sokratis; Vanden-Broeck, J. -M (2013)
    • Article  

      Editorial for the special issue in honour of Paul Doukhan 

      Bardet, J. -M; Fokianos, Konstantinos; Neumann, M. H. (2017)
    • Conference Object  

      Effect of head posture changes in the geometry and hemodynamics of a healthy human carotid bifurcation 

      Papaharilaou, Yannis; Seimenis, Ioannis; Pattakos, N.; Ekaterinaris, J.; Georgiou, Georgios C.; Eracleous, Eleni A.; Christou, Chris; Brott, B. C.; Anayiotos, Andreas S. (2007)
    • Article  

      Effect of head posture on the healthy human carotid bifurcation hemodynamics 

      Papaharilaou, Yannis; Aristokleous, Nicolas; Seimenis, Ioannis; Khozeymeh, M. I.; Georgiou, Georgios C.; Brott, B. C.; Eracleous, Eleni A.; Anayiotos, Andreas S. (2013)
      Head and neck postures may cause morphology changes to the geometry of the carotid bifurcation (CB) that alter the low and oscillating wall shear stress (WSS) regions previously reported as important in the development of ...
    • Conference Object  

      Effect of head rotation at the prone position on the geometric features of the healthy carotid bifurcation 

      Aristokleous, Nicolas; Seimenis, Ioannis; Papaharilaou, Yannis; Georgiou, Georgios C.; Brott, B. C.; Anayiotos, Andreas S. (2010)
    • Article  

      The Effect of Head Rotation on the Geometry and Hemodynamics of Healthy Vertebral Arteries 

      Aristokleous, Nicolas; Seimenis, Ioannis; Georgiou, Georgios C.; Nicolaïdes, Andrew N.; Anayiotos, Andreas S. (2015)
      The geometric and hemodynamic characteristics of the left and right vertebral arteries (LVA, RVA) of six healthy volunteers were investigated for the supine (S) and the prone position (P) a common sleeping posture with ...
    • Conference Object  

      Effect of posture change on the geometric features of the healthy carotid bifurcation 

      Aristokleous, Nicolas; Seimenis, Ioannis; Papaharilaou, Yannis; Georgiou, Georgios C.; Brott, B. C.; Anayiotos, Andreas S. (2009)
      Segmented cross sectional MRI images were used to construct 3D virtual models of the carotid bifurcation in 5 healthy volunteers. Geometric features such as bifurcation angle, planarity angle, asymmetry angle tortuosity ...
    • Article  

      Effect of posture change on the geometric features of the healthy carotid bifurcation 

      Aristokleous, Nicolas; Seimenis, Ioannis; Papaharilaou, Yannis; Georgiou, Georgios C.; Brott, B. C.; Eracleous, Eleni A.; Anayiotos, Andreas S. (2011)
      Segmented cross-sectional MRI images were used to construct 3-D virtual models of the carotid bifurcation in ten healthy volunteers. Geometric features, such as bifurcation angle, internal carotid artery (ICA) angle, ...
    • Article  

      The effect of resveratrol on hypertension: A clinical trial 

      Theodotou, Marios; Fokianos, Konstantinos; Mouzouridou, Alexia; Konstantinou, Cornelia; Aristotelous, Andrea; Prodromou, Dafni; Chrysikou, Asimina (2017)
      The aim of this clinical trial was to investigate the effects of Evelor, a micronized formulation of resveratrol (RESV
    • Article  

      Effect of resveratrol on non-alcoholic fatty liver disease 

      Theodotou, Marios; Fokianos, Konstantinos; Moniatis, Demetris; Kadlenic, Rudolf; Chrysikou, Asimina; Aristotelous, Andrea; Mouzouridou, Alexia; Diakides, John; Stavrou, Eliza (2019)
      The aim of the present study was to investigate the effect of a micronized formulation of trans-resveratrol in humans with non-alcoholic fatty liver disease (NAFLD). Trans-Resveratrol has been used in the form of micronized ...
    • Article  

      The effects of generalized dispersion on dissipative dynamical systems 

      Smyrlis, Yiorgos-Sokratis; Papageorgiou, Demetrios T. (1998)
      We study the effects of dispersion on the Kuramoto-Sivashinsky (KS) equation. In the physical problem considered, there is a full dispersion relation corresponding to a pseudo-differential linear operator added to the KS ...
    • Article  

      Efficient algorithms for approximating particular solutions of elliptic equations using Chebyshev polynomials 

      Karageorghis, Andreas; Kyza, I. (2007)
      In this paper, we propose efficient algorithms for approximating particular solutions of second and fourth order elliptic equations. The approximation of the particular solution by a truncated series of Chebyshev polynomials ...
    • Article  

      An efficient direct method for fully conforming spectral collocation schemes 

      Karageorghis, Andreas; Paprzycki, M. (1996)
      An efficient direct method is presented for the solution of the linear systems arising in the solution of second and fourth order problems by certain multidomain spectral collocation schemes. In it, the block structure of ...
    • Article  

      An efficient finite element method for treating singularities in Laplace's equation 

      Olson, L. G.; Georgiou, Georgios C.; Schultz, W. W. (1991)
      We present a new finite element method for solving partial differential equations with singularities caused by abrupt changes in boundary conditions or sudden changes in boundary shape. Terms from the local solution ...
    • Article  

      Efficient implementation of the MFS: The three scenarios 

      Smyrlis, Yiorgos-Sokratis; Karageorghis, Andreas (2009)
      In this study we investigate the approximation of the solutions of harmonic problems subject to Dirichlet boundary conditions by the Method of Fundamental Solutions (MFS). In particular, we study the application of the MFS ...
    • Article  

      Efficient Kansa-type MFS algorithm for elliptic problems 

      Karageorghis, Andreas (2010)
      In this study we propose an efficient Kansa-type method of fundamental solutions (MFS-K) for the numerical solution of certain problems in circular geometries. In particular, we consider problems governed by the inhomogeneous ...
    • Article  

      Efficient MFS algorithms for inhomogeneous polyharmonic problems 

      Karageorghis, Andreas (2011)
      In this work we develop an efficient algorithm for the application of the method of fundamental solutions to inhomogeneous polyharmonic problems, that is problems governed by equations of the form Δ ℓ u=f, ℓ ε ℕ, in circular ...
    • Article  

      Efficient MFS algorithms for problems in thermoelasticity 

      Karageorghis, Andreas; Marin, L. (2013)
      We propose efficient fast Fourier transform (FFT)-based algorithms using the method of fundamental solutions (MFS) for the numerical solution of certain problems in planar thermoelasticity. In particular, we consider ...
    • Article  

      Efficient MFS algorithms in regular polygonal domains 

      Karageorghis, Andreas (2009)
      In this work, we apply the Method of Fundamental Solutions (MFS) to harmonic and biharmonic problems in regular polygonal domains. The matrices resulting from the MFS discretization possess a block circulant structure. ...