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Influence of Polivinylalcohol Cryogel Material Model in FEM Simulations on Deformation of LV Phantom

  • Szymon CyganEmail author
  • Jakub Żmigrodzki
  • Beata Leśniak-Plewińska
  • Maciej Karny
  • Zbigniew Pakieła
  • Krzysztof Kałużyński
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9126)

Abstract

One of the available tools for validation of strain imaging methods are physical phantoms, most frequently produced of polivinylalcohol cryogel (PVA). This material was often assumed to exhibit elastic properties, but it has more complex nature. In this work we examine the influence of the applied material model – elastic vs hyperelastic – on the strains within the numerical model of the phantom obtained from FEM. This influence appeared significant – hyperelastic model provides lower strain contrasts and also the ratios between radial, circumferential and longitudinal strains differ for both models.

Keywords

LV phantom Strain imaging Polivinylalcohol PVA Finite Element Method 

Notes

Acknowledgements

This study was supported by the Polish National Science Centre by the decision DEC-2012/07/B/ST7/01441.

Characterization of PVA material was supported by Polish-Norwegian Research Programme under grant agreement Pol-Nor/209584/19/2013.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Szymon Cygan
    • 1
    Email author
  • Jakub Żmigrodzki
    • 1
  • Beata Leśniak-Plewińska
    • 1
  • Maciej Karny
    • 2
  • Zbigniew Pakieła
    • 2
  • Krzysztof Kałużyński
    • 1
  1. 1.Institute of Metrology and Biomedical EngineeringWarsaw University of TechnologyWarsawPoland
  2. 2.Faculty of Materials Science and EngineeringWarsaw University of TechnologyWarsawPoland

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