• Evaluation of creep damage of INCOLOY 800HT pigtails in a refinery steam reformer unit 

      Spyrou, L. A.; Sarafoglou, P. I.; Aravas, N.; Haidemenopoulos, G. N. (2014)
      Pigtail tubes constitute a critical component of the outlet system of steam reformer units for hydrogen production in refineries. Creep failure of pigtails is a common cause of downtime and potential risk to plant personnel. ...
    • A finite element model of the Ilizarov fixator system 

      Toumanidou, Th; Spyrou, L. A.; Aravas, N. (2011)
      Mechanical characteristics of orthopaedic fixators, such as stiffness and stability, directly influence the mechanobiological environment in which the bone is healed. A comprehensive understanding of the sensitivity of the ...
    • Material modeling of biofilm mechanical properties 

      Laspidou, C. S.; Spyrou, L. A.; Aravas, N.; Rittmann, B. E. (2014)
      A biofilm material model and a procedure for numerical integration are developed in this article. They enable calculation of a composite Young's modulus that varies in the biofilm and evolves with deformation. The ...
    • Muscle and Tendon Tissues: Constitutive Modeling and Computational Issues 

      Spyrou, L. A.; Aravas, N. (2011)
      A three-dimensional constitutive model for muscle and tendon tissues is developed. Muscle and tendon are considered as composite materials that consist of fibers and the connective tissues and biofluids surrounding the ...
    • Muscle-driven finite element simulation of human foot movements 

      Spyrou, L. A.; Aravas, N. (2012)
      This paper describes a finite element scheme for realistic muscle-driven simulation of human foot movements. The scheme is used to simulate human ankle plantar flexion. A three-dimensional anatomically detailed finite ...
    • Thermomechanical Modeling of Laser Spot Welded Solar Absorbers 

      Spyrou, L. A.; Aravas, N. (2015)
      A finite element (FE) approach is developed to investigate the laser spot welding (LSW) of flat-plate solar absorbers and the stress and distortion fields that develop after fabrication and during operation. Numerical ...