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Bölüm: Işık University, Faculty of Engineering, Department of Civil Engineering × Konu: Microstretch ×

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Listeleniyor 1 - 3 / 3
  • Küçük Resim
    Yayın
    3-D Vibration analysis of microstretch plates
    (Springer, 2008) İnan, Esin; Kiriş, Ahmet
    In the present work, rectangular plates with various boundary conditions are Studied, which are modeled by the rnicrostretch theory. Wave propagation problem is investigated and new waves are observed which do not appear in the classical theory of elasticity. Ritz method is used for this investigation. Triplicate Chebyshev series, multiplied by boundary functions, are used as admissible functions and the frequency equations of the micro-stretch plate are obtained by the use of Chebyshev-Ritz method. The additional frequencies due to the microstructure of the plate are observed among the values of the frequencies obtained from the classical theory of elasticity. We observed that these additional frequencies disappear while the all microstretch constants are taken as zero.
  • Küçük Resim
    Yayın
    A hollow cylinder problem in microstretch theory
    (Springer-Verlag, 2011) İnan, Esin; Kırış, Ahmet
    A hollow cylinder micro-damaged tube under pressure problem is discussed. Micro damage is modeled with Eringen's microstretch theory and the displacement and its comparison with classical result are given.
  • Küçük Resim
    Yayın
    Free vibration of composite sandwich beams with microstretch viscoelastic core
    (Springer Science and Business Media Deutschland GmbH, 2021) Aydınlık, Soner; Kırış, Ahmet; İnan, Esin
    In the present work, we studied a sandwich beam which is made of two thin stiff layers on top and bottom and a microstretch viscoelastic core in the middle. Here, the top and the bottom stiff layers are considered as elastic, while the inner part is taken as microstretch viscoelastic material. The free vibration of this composite beam is investigated. Differential transform method is used for the solution. The values of the frequencies obtained for microstretch case are found greater than the classical ones, as it is expected. Besides, the minimum differences between the classical frequencies and deviated classical frequencies due to the microstretch core are getting bigger for the large loss factors.