Presentations Funded by Aristeia Scientific Program

  1. Efthymiou K., K. Tsiglifis, S. Serpetsi & N. Pelekasis, Static and dynamic analysis of contrast agents – parameter estimates and the effect of constitutive Law, 9th European Fluid Mechanics Conference, Rome-Italy, September 9-13 2012. Download
  2. Efthymiou K., K. Tsiglifis & N. Pelekasis, Response of an axisymmetric microbubble insonated by acoustic disturbances, 8th Hellenic Conference Fluid Flow Phenomena, Volos, Greece, November 16-17 2012. Download
  3. Pelekasis N.A., Static and dynamic analysis of Contrast Agents – Parameter estimates and the effect of constitutive law, Imperial College, London, March 6th 2013. Invited Talk. Download
  4. Efthymiou K. & N. Pelekasis, Acoustic interaction between a coated microbubble and a nearby surface – Steady pulsations vs. transient break-up, BIFD13, Haifa-Israel, July 8-11 2013. Download
  5. Lytra A. & N. Pelekasis, Static response and stability of coated microbubbles as a means of parameter estimation, BIFD13, Haifa-Israel, July, July 8-11 2013. Download
  6. Lytra A. & N. Pelekasis, Static response and stability of coated microbubbles as a means of parameter estimation, IMP Seminar, University of Edinburgh – School of Εngineering, November 4th 2013. Download
  7. Efthymiou K. & N. Pelekasis, Acoustic interaction between a coated microbubble and a rigid boundary, 1st International Conference on Micro & Nanofluidics, Twente-The Netherlands, May 18-21 2014. Download
  8. Lytra A., N. Pelekasis, V. Sboros, E.Glynos and V. Koutsos, Static response of coated microbubbles: Modelling simulations and parameter estimation, DynaCaps Symposium, Compiegne-France, July 15-18 2014. Download
  9. Efthymiou K. & N. Pelekasis, Response of an axisymmetric microbubble insonated by acoustic disturbances near an adjacent wall, 9th National Conference Fluid Flow Phenomena, Athens, Greece, December 12-13 2014. Download
  10. Efthymiou K. & N. Pelekasis, Acoustic interaction between a coated microbubble and a rigid boundary, 20th European Symposium on Ultrasound Contrast Imaging, Rotterdam, Netherlands, January 21-22 2015. Download
  11. Zafiropoulou V.I. & A.E. Giannakopoulos, Evaluation of hyperelastic material properties based on instrumented indentation, 12th International Conference on Computational Methods and Experiments in Surface and Contact, Mechanics including Tribology (Contact and Surface 2015) Valencia, Spain, April 21-23 2015. Download
  12. Giannakopoulos A., V. Zafiropoulou, Th. Zisis, A. Lytra & N. Pelekasis, Probing micro and nanocapsule properties with instrumented indentation, 4th International Conference on Bio-Sensing Technology, Lisbon, Portugal, May 10-13 2015. Download
  13. Βλαχομήτρου Μ. & Ν. Πελεκάσης, Αριθμητική μελέτη της αλληλεπίδρασης μικροφυσαλίδας με ελαστική επίστρωση με στερεό τοίχωμα σε ιξώδη ροή, 10ο Πανελλήνιο Επιστημονικό Συνέδριο Χημικής Μηχανικής, Πάτρα, Ελλάδα, 4-6 Ιουνίου 2015. Download
  14. Vlachomitrou M. and N. Pelekasis, Numerical study of the interaction between an encapuslated microbubble and a rigid wall in a viscous flow, 8GRACM International Congress on Computational Mechanics, Volos, Greece, July 12-15 2015. Download
  15. Efthymiou K. & N. Pelekasis, Acoustic interaction between a coated microbubble and a rigid boundary, 8GRACM International Congress on Computational Mechanics, Volos, Greece, July 12-15 2015. Download
  16. Lytra A., N. Pelekasis, V. Zafiropoulou, Th. Zisis, A. Giannakopoulos, V. Sboros, E. Glynos and V. Koutsos, Static response of coated microbubbles: Modelling simulations and parameter estimation, 8GRACM International Congress on Computational Mechanics, Volos, Greece, July 12-15 2015. Download
  17. Vlachomitrou M. and N. Pelekasis, Numerical study of the interaction between an encapuslated microbubble and a rigid wall, BIFD2015, Paris, France, July 15-17 2015. Download
  18. Lytra A. and N. Pelekasis, Numerical study on the static response of contrast agent microbubbles, 22nd European Symposium on Ultrasound Contrast Imaging, Rotterdam, The Nederland's, January 19-20 2015. Download
  19. Lytra A. and N. Pelekasis, Study of the static response of a coated microbubble under the AFM: Numerical & asympotic analysis, 11HSTAM, Athens, Greece, May 27-30 2016. Download
  20. Lytra A. and N. Pelekasis, Numerical study on the static response of coated microbubbles, Flow2017, Paris, France, July 3-5 2017. Download
  21. Lytra A., K. Efthimiou, M. Vlachomitrou, N. Pelekasis, Static and dynamic response of coated microbubbles, The 8th International Meeting of the Hellenic Society of Rheology, Limassol, Cyprus, July 12-14 2017.
  22. Vlachomitrou M. and N. Pelekasis. A Computational Study for the Interaction between an Encapsulated Microbubble and a Rigid Wall, IV Eccomas Young Investigator Conference, Milano, Italy, 2017.
  23. Vlachomitrou M. and N. Pelekasis. Dynamic interaction between a coated microbubble and a rigid wall: Trapping vs Divergence,  EFMC12, Vienna, Austria, 2018.
  24. Lytra A., V. Sboros, A. Giannakopoulos and N. Pelekasis. Numerical simulation of the static response of coated microbubbles: Estimation of elastic properties and comparison with experiments, 12HSTAM, Thessaloniki, Greece, September 22-25 2019. Download
  25. Vlachomitrou M. and N. Pelekasis. A numerical study for the compression-only effect of contrast agents, 8th International Symposium on Bifurcations and Instabilities in Fluid Dynamics, Limerick, Ireland, 2019.
  26. Vlachomitrou M. and N. Pelekasis. Numerical study of the behavior of a contrast agent inside a tube, VPH2020, Paris, France, 2020.
  27. Lytra A., M. Vlachomitrou and N. Pelekasis, Theoretical & numerical simulation on the formation of coated microbubbles, VPH2020, France, 2020.
  28. Lytra A., M. Vlachomitrou and N. Pelekasis, Numerical study on the core-annular flow in the presence of surfactants, The 7th International Conference on Micro and Nano Flows (MNF 2021), Imperial London College, UK, 2021.
  29. Vlachomitrou M. and N. Pelekasis. Acoustic interrogation of coated microbubbles in a wall restricted flow: the compression only and microstreaming effects, 10th Conference of the Hellenic Society of Rheology (HSR 2022), Skiathos, Greece, 2022.
  30. Lytra A., M. Vlachomitrou and N. Pelekasis. Steady state and dynamic simulations of axisymmetric gas-liquid flow focusing arrangement in the presence of surfactants, 10th Conference of the Hellenic Society of Rheology (HSR 2022), Skiathos, Greece, 2022.
  31. Rosios S. and Pelekasis N., Weakly nonlinear analysis of the effect of shell stiffness on the fundamental resonance of coated microbubbles, 10th Conference of the Hellenic Society of Rheology (HSR 2022), Skiathos, Greece, 2022.
  32. Oikonomou A., Vaitsis V., Vlachomitrou M. and Pelekasis N., Trapped pulsations of microbubbles near a wall: Effect of sound amplitude and liquid viscosity on the microstreaming pattern, 10th Conference of the Hellenic Society of Rheology (HSR 2022), Skiathos, Greece, 2022.
  33. Lytra A., M. Vlachomitrou and N. Pelekasis. Numerical simulations and stability analysis of the core-annular flow in the presence of surfactants, 14th European Fluid Mechanics Conference (EFMC14), Athens, Greece, 2022.
  34. Vlachomitrou M., A. Lytra and N. Pelekasis. Acoustic interrogation of coated microbubbles: Viscoelastic properties and the onset of compression only behaviour, 14th European Fluid Mechanics Conference (EFMC14), Athens, Greece, 2022.
  35. N. Pelekasis, M. Vlachomitrou, A. Lytra. Dynamic simulations of an encapsulated microbubble translating in a tube at low capillary and Reynolds numbers. Dynamics of Capsules, Vesicles and Cells in Flow (DynaCaps2023), Compiegne, France, 2023.
  36. N. Pelekasis, M. Vlachomitrou, A. Lytra, S. Rosios. Numerical simulations and stability of pulsating and translating coated microbubbles in the presence of viscoelastic, acoustic and adhesive forces. Microbubble & Nanobubble Symposium: from Fundamentals to Application, Leeds, UK, 2024.
  37. A. Lytra, M. Vlachomitrou, N. Pelekasis. Local and global stability and numerical simulations of the two-phase flow in flow focusing geometries in the presence of surfactants. Workshop on New Directions in Multiphase Flows, University of East Anglia, Norwich, UK, 2024.
  38. N. Pelekasis, M. Vlachomitrou, A. Lytra & S. Rossios, Computational fluid dynamics and stability of interfacial phenomena in the presence of acoustic, viscoelastic, adhesive and Lorentz forces. In-residence research programme, University of East Anglia, Norwich, UK, 2024. 

 Peer Reviewed Presentations at International & National Conferences

  1. Pelekasis N., K. Efthimiou and K. Tsiglifis, Parametric stability and simulations of insonated contrast agents-effect of the constitutive law, 7th GRACM Int Cong Comp Mech, Athens-Greece, 2011.
  2. Pelekasis N.A., K. Tsiglifis & K. Efthimiou, Parametric stability and numerical simulations of insonated contrast agents, BIFD11, Barcelona-Spain, July 21-28 2011.
  3. Efthimiou K. & N.A. Pelekasis, Parametric stability and numerical simulations of insonated contrast agents, BIFD11, Barcelona-Spain, July 21-28 2011.
  4. Tsiglifis K., N. Pelekasis & V. Sboros, Modelling of sonoVueTM microbubbles in an ultrasound field, 10th European Symposium on Ultrasound Contrast Imaging, Rotterdam-The Netherlands, October 2005, Article in conference proceedings, pp. 15-21. Best paper award in the Scientific Contest on the "Modelling of Sonovue Microbubbles in an Ultrasound Field".
  5. Tsiglifis K. & N. Pelekasis, Weak viscous oscillations and collapse of elongated bubbles, 98th Annual AIChE Meeting, October 2005, Session 1J2, 2005.
  6. Tsiglifis K. & N. Pelekasis, Axisymmetric oscillations and collapse of an encapsulated microbubble subject to acoustic disturbances, Presentation in the 6th EUROMECH Fluid Mechanics Conference, Stockholm-Sweden, July 2006.
  7. Tsiglifis K. & N. Pelekasis, Non-linear oscillations and collapse of encapsulated microbubbles subject to ultrasound, 12th European Symposium on Ultrasound Contrast Imaging, Rotterdam-The Netherlands, January 2007, Abstract in conference proceedings, p. 52.
  8. Tsiglifis K. & N. Pelekasis, Characterization of UCA behaviour - stability and simulations, 13th European Symposium on Ultrasound Contrast Imaging, Rotterdam-The Netherlands, January 2008, Abstract in conference proceedings.
  9. Pelekasis N.A. & K. Tsiglifis, Stability and simulations of pulsating contrast agents, Acoustics, Paris-France, 2008.
  10. Pelekasis N.A., K. Tsiglifis, B. Dollet, N. de Jong, D. Lohse & M Versluis, Nonlinear extensions to shell models of ultrasound contrast agents: theory and experiment, Acoustics, Paris-France, 2008.
  11. Sboros V., E. Glynos, N. Pelekasis, V. Koutsos, Nano-interrogation of a lipid shelled microbubble, ΙEEE International Ultrasonics Symposium, Beijing-China, 2008.
  12. Thomas D.H., P. Looney, M Butler, N. Pelekasis, T. Anderson and V. Sboros, The fate of microbubble spectral behaviour in the presence of a sequence of pulses, 16th European Symposium on Ultrasound Contrast Imaging, Rotterdam-The Netherlands, January 2011. Best technical poster prize.
  13. Tsiglifis K. & N.A. Pelekasis, Weak viscous oscillations and collapse of laser and acoustic bubbles, 4th International Meeting of the Hellenic Society of Rheology, Athens, 2004.
  14. Τσιγκλιφής K. & Ν.Α. Πελεκάσης, Ταλάντωση και κατάρρευση φυσαλίδων υπό την επίδραση ασθενών ιξωδών δυνάμεων, Ημερίδα-Ερευνητικές Δραστηριότητες στα Φαινόμενα Ροής Ρευστών στην Ελλάδα, Αθήνα, 26 Νοεμβρίου 2004 . Το άρθρο δημοσιεύτηκε στα Πρακτικά της Ημερίδας.
  15. Τσιγκλιφής K. & Ν.Α. Πελεκάσης, Μοντελοποίηση μικροφυσαλίδων σε περιβάλλον υπερήχων, 1ο Πανελλήνιο Συνέδριο Ηλεκτρολόγων-Μηχανολόγων, 19-21 Ιανουαρίου, Αθήνα, 2005. Το άρθρο δημοσιεύτηκε στα πρακτικά του συνεδρίου.
  16. Τσιγκλιφής K. & Ν.Α. Πελεκάσης, Ταλαντωση και κατάρρευση ελεύθερης μικροφυσαλίδας και μικροφυσαλίδας με ελαστική μεμβράνη, 5ο Πανελλήνιο Συνέδριο Χημικής Μηχανικής, Θεσσαλονίκη Ελλάς, Μάιος 2005. Το άρθρο δημοσιεύτηκε στα πρακτικά του συνεδρίου σελ. 677-480.

Invited Presentations

  1. Πελεκάσης N.A., Δυναμικά φαινόμενα και εφαρμογές ροών που αλληλεπιδρούν με φυσαλίδες, σταγόνες και λεπτούς υμένες, Ινστιτούτο Τεχνικής Χημικών Διεργασιών-ΙΤΧΗΔ, Θεσσαλονίκη, Απρίλιος 2006.
  2. Pelekasis N.A., Viscoelastic modelling, stability analysis and numerical simulations as a means to characterize Contrast Agents, Physics of Fluids Lab, University of Twente, Enschede, September 2007.
  3. Pelekasis N.A., Stability and simulations of pulsating contrast agents, Dpt. Of Biomedical Engineering, Institute for Materials and Processes, University of Edinburgh, September 2008.