Response of a 3D elastic half-space to a distributed moving load

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EGE N., ŞAHİN O., ERBAŞ B.

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS, cilt.46, sa.5, ss.817-828, 2017 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 46 Sayı: 5
  • Basım Tarihi: 2017
  • Doi Numarası: 10.15672/hjms.2017.434
  • Dergi Adı: HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.817-828
  • Anahtar Kelimeler: Moving load, Asymptotic model, Rayleigh wave, Causality, RAYLEIGH-WAVE, SURFACE, VIBRATIONS, BRIDGE, TRAIN, MODEL
  • Anadolu Üniversitesi Adresli: Evet

Özet

The dynamic effect of an out of plane distributed moving load on the surface of an elastic half-space is considered. The problem is formulated in terms of a hyperbolic-elliptic asymptotic model for a moving load where the trajectory and the distribution of the load are taken to be orthogonal. Steady-state equations are written in terms of a moving coordinate system. The near-resonant solutions are, then, obtained for sub and super-Rayleigh cases taking into account the causality principle. Numerical results of displacement components are presented for various values of the distribution parameter.