Now showing items 515-534 of 1036

    • Article  

      MHD flow past a circular cylinder using the immersed boundary method 

      Grigoriadis, D. G. E.; Sarris, I. E.; Kassinos, Stavros C. (2010)
      The immersed boundary method (IB hereafter) is an efficient numerical methodology for treating purely hydrodynamic flows in geometrically complicated flow-domains. Recently Grigoriadis et als. [1] proposed an extension of ...
    • Article  

      Micellization behavior of poly(η-butyl methacrylate)-block-poly(2- (acetoacetoxy)ethyl methacrylate) 

      Sigel, R.; Krasia-Christoforou, T.; Below, I.; Schlaad, H. (2009)
      A series of poly(η-butyl methacrylate)-block-poly(2-(acetoacetoxy)ethyl methacrylate)s (PBMA-b-PAEMA) were studied according to the formation of core-shell micelles in dilute cyclohexane solution (PBMA-shell, PAEMA-core). ...
    • Article  

      Microstructural and morphological effects on the tribological properties of electron enhanced magnetron sputtered hard coatings 

      Schneider, J. M.; Voevodin, A. A.; Rebholz, Claus; Matthews, A. (1995)
      X-ray diffraction measurements and scanning electron microscopy studies on close to stoichiometric titanium carbonitride [TiCxN(1 _x)] and carbon containing tungsten coatings produced in an electron enhanced unbalanced ...
    • Article  

      Microstructure and nanomechanical properties of pulsed excimer laser deposited DLC:Ag films: Enhanced nanotribological response 

      Constantinou, M.; Pervolaraki, M.; Nikolaou, P.; Prouskas, C.; Patsalas, P.; Kelires, P.; Giapintzakis, John; Constantinides, G. (2017)
      Diamond-like carbon:silver (DLC:Ag) thin films, with metal contents as high as 16.8 at.%, have been deposited on silicon substrates using pulsed excimer laser deposition
    • Conference Object  

      Microstructure, mechanical and tribological properties of reactive magnetron sputtered titanium carbide coatings 

      Polychronopoulou, K.; Rebholz, Claus; Theodorou, L.; Böbel, K.; Demas, N. G.; Polycarpou, A. A. (Affiliation: Dept. of Mechanical and Manufacturing Engineering, University of Cyprus, 1678, Nicosia, CyprusAffiliation: Dept. PA-ATM01/SGP21, Engineering Process Technology, Robert Bosch GmbH, Postfach 300220, 70442 Stuttgart, GermanyAffiliation: Dept. of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United StatesCorrespondence Address: Polycarpou, A. A.Dept. PA-ATM01/SGP21, Engineering Process Technology, Robert Bosch GmbH, Postfach 300220, 70442 Stuttgart, Germanyemail: polycarp@uiuc.edu, 2008)
      This study describes the correlation between the microstructure, mechanical and tribological properties of Ti 1-xCx coatings (with x being in the range of 0-0.5), deposited by reactive magnetron sputtering from a Ti target ...
    • Article  

      Microstructure-based, multiscale modeling for the mechanical behavior of hydrated fiber networks 

      Barocas, V. Η; Chandran, P. L.; Stylianopoulos, T. (2008)
      A multiscale formulation is derived for the mechanics of a dilute fiber network microstructure, as occurs in in vitro reconstituted collagen gels, to accommodate the deterministic solution of a uniform-stress condition in ...
    • Article  

      Microvascular Injury and Perfusion Changes Induced by Ultrasound and Microbubbles in a Machine-Perfused Pig Liver 

      Keravnou, Christina P.; Cock, Ine De; Lentacker, Ine; Izamis, Maria-Louisa; AVERKIOU, MICHALAKIS A. (2016)
      Localized drug delivery and uptake can benefit from the combined action of ultrasound and microbubbles at a specific site. Some of the possible mechanisms suggested are vessel poration and/or cell poration, but the exact ...
    • Article  

      Miniature thermal matches: From nanoheaters to reactive fractals 

      Rebholz, Claus; Gunduz, I. E.; Ando, T.; Doumanidis, C. C. (2015)
      Fine thermal actuation by miniature heat sources enables applications from electronics fabrication to tumor cauterization. This paper introduces the concept of nanoheaters, i.e., reactive bimetallic material dots (0D), ...
    • Conference Object  

      Minimally Actuated Four-Bar Linkages for Upper Limb Rehabilitation 

      Xydas, E.; Mueller, A.; Louca, Loucas S. (Springer International Publishing, 2018)
      In the previous years the scientific community dealt extensively with designing, developing and testing robot-based rehabilitation systems. Besides the benefits that resulted for disabled people, this twenty-year endeavor ...
    • Article  

      Minimally actuated four-bar linkages for upper limb rehabilitation 

      Xydas, E.; Mueller, A.; Louca, Loucas S. (2018)
      In the previous years the scientific community dealt extensively with designing, developing and testing robot-based rehabilitation systems. Besides the benefits that resulted for disabled people, this twenty-year endeavor ...
    • Article  

      Minimum relative entropy criterion for damage detection and location 

      Kyprianou, Andreas; Mares, C.; Charalambous, Charalambos D.; Mottershead, J. E. (2007)
      Relative entropy has been employed, as an alternative to other regularization methods, in solving ill-conditioned linear inverse problems. Damage detection when treated as structural modification imparted by the damage ...
    • Article  

      Minimum relative entropy criterion for damage detection and location 

      Kyprianou, Andreas; Mares, C.; Charalambous, C. D.; Mottershead, J. E. (2007)
      Relative entropy has been employed, as an alternative to other regularization methods, in solving ill-conditioned linear inverse problems. Damage detection when treated as structural modification imparted by the damage ...
    • Conference Object  

      Minimum relative entropy criterion for damage detection and location 

      Mares, C.; Kyprianou, Andreas (Affiliation: Brunel University, School of Engineering and Design, United KingdomAffiliation: University of Cyprus, Department of Mechanical and Manufacturing Engineering, CyprusCorrespondence Address: Mares, C.Brunel University, School of Engineering and DesignUnited Kingdomemail: Cristinel.Mares@brunel.ac.uk, 2009)
      Relative entropy has been employed, as an alternative to other regularization methods, in solving ill-conditioned linear inverse problems. Damage detection when treated as structural modification imparted by the damage ...
    • Article  

      Minority-spin band parameters in a NiMnSb thin film determined by spectral conductivity 

      Grigorescu, C. E. A.; Trodahl, H. J.; Strickland, N. M.; Bittar, A.; Manea, S. A.; Giapintzakis, John; Monnereau, O.; Notonier, R.; Kennedy, V. J. (2004)
      NiMnSb is expected to be a ferromagnetic half metal, an expectation that is based in part on band structure calculations. Here we report optical conductivity studies of the band structure for a film prepared by pulsed laser ...
    • Article  

      Mn12 benzoate thin films on Si substrates fabricated by matrix assisted pulsed laser evaporation 

      Pervolaraki, M.; Athanasopoulos, G. I.; Giapintzakis, John; Kizas, C.; Tasiopoulos, Anastasopoulos J.; Sima, F.; Socol, G.; Mihailescu, I. N. (2010)
      We report on the successful implementation of Matrix Assisted Pulsed Laser Evaporation, to obtain films of the single molecule magnet Mn12 benzoate on Si substrates. The films have been characterized by optical microscopy, ...
    • Article  

      MnIII2LnIII2(Ln = Gd, Dy, Ho) Complexes From The Initial Employment of 1,3-Propanediol In Mixed 3d/4f Metal Cluster Chemistry 

      Savva, Maria; Papatriantafyllopoulou, Constantina; Viskadourakis, Z.; Giapintzakis, John; Tasiopoulos, Anastasios J. (2013)
      The initial employment of 1,3-propanediol (pdH2) in the synthesis of 3d/4f metal clusters has afforded a new family of tetranuclear Mn2Ln2O2(CH3)3CCO28(CH3)3CCO2H2(pdH2)2] (Ln = Dy, 1
    • Article  

      Modal analysis reduction of multi-body systems with generic damping 

      Louca, Loucas S. (2014)
      Modal analysis of multi-body systems is broadly used to study the behavior and controller design of dynamic systems. In both cases, model reduction that does not degrade accuracy is necessary for the efficient use of these ...
    • Conference Object  

      Modal analysis reduction of multi-body systems with generic damping 

      Louca, Loucas S. (Caltek s.r.l., 2012)
      Modal analysis of multi-body systems is broadly used to study the behavior and controller design of dynamic systems. In both cases, model reduction that does not degrade accuracy is necessary for the efficient use of these ...
    • Conference Object  

      A model accuracy and validation algorithm 

      Sendur, P.; Stein, J. L.; Peng, H.; Louca, Loucas S. (American Society of Mechanical Engineers (ASME), 2002)
      Dynamic models of physical systems with physically meaningful states and parameters have become increasingly important, for design, control and even procurement decisions. The successful use of models in these contexts ...
    • Conference Object  

      Model complexity of a cantilever beam: An energy-based approach 

      Louca, Loucas S. (Dime University of Genoa, 2015)
      The cantilever beam is a component widely used in numerous engineering systems with its geometric and material properties varying depending on the application. Calculating the dynamic behavior of a cantilever beam is a ...