Arama Sonuçları

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  • Yayın
    Propagation of weakly nonlinear waves in fluid-filled thick viscoelastic tubes
    (Elsevier Science Inc., 1999-10) Demiray, Hilmi
    In the present work, we studied the propagation of small-but-finite-amplitude waves in a prestressed thick walled viscoelastic tube filled with an incompressible inviscid fluid. In order to include the dispersion, the wall's inertial and shear effects are taken into account in determining the inner pressure-inner cross-sectional area relation. Using the reductive perturbation method, the propagation of weakly nonlinear waves in the long-wave approximation is investigated. After obtaining the general evolution equation in the long-wave approximation, by a proper scaling, it is shown that this general equation reduces to the well-known evolution equations such as the Burgers, Korteweg-de Vries (KdV), Koteweg-de Vries-Burgers (KdVB) and the generalized Burgers' equations. By proper re-scaling of the perturbation parameter, the modified form of the evolution equations is also obtained. The variations of the travelling wave profile with initial deformation and the viscosity coefficients are numerically evaluated and the results are illustrated in some figures.
  • Yayın
    n-Tuplet coincidence point theorems in partially ordered probabilistic metric spaces
    (Hindawi Ltd, 2018) Karaaslan, Arife Aysun; Karakaya, Vatan
    In this paper, we investigate existence of n-tuplet coincidence point theorems in partially ordered probabilistic metric spaces. Also, we gave uniqueness of n-tuplet fixed point theorems in this space.
  • Yayın
    20th Biennial Conference of the International Planning History Society 2–5 July 2024 (Hong Kong) prizes and awards
    (Routledge, 2024-11-01) Gülersoy, Nuran Zeren
    The winners of the IPHS 2024 Prize and Awards were announced at the Awards Ceremony at the Hong Kong Conference on 4 July 2024. This year, the recipients include the Planning Perspectives Prize, IPHS Book Prizes, Anthony Sutcliffe Dissertation Award, IPHS Best Postgraduate Planning History Paper Prize, Sir Peter Hall Award for Lifetime Achievement, the East Asia Planning History (EAPH) Prize, and IPHS Professional Commendation Award. However, the Koos Bosma Prize in Planning History Innovation was not awarded as no submission met the criteria. The Judging Panel Reports provide additional information and commendations.