Dynamic Analysis of Elastically Supported Cracked Beam Subjected to a Concentrated Moving Load

ÖZTÜRK H., KIRAL Z., GÖREN KIRAL B.

LATIN AMERICAN JOURNAL OF SOLIDS AND STRUCTURES, cilt.13, sa.1, ss.175-200, 2016 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 13 Sayı: 1
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1590/1679-78252195
  • Dergi Adı: LATIN AMERICAN JOURNAL OF SOLIDS AND STRUCTURES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.175-200
  • Anahtar Kelimeler: Cracked beam, Finite element analysis, Newmark integration, Moving load, Elastic support, LAMINATED COMPOSITE BEAMS, FINITE-ELEMENT-ANALYSIS, VIBRATION ANALYSIS, FORCE, MASS, FOUNDATION, VELOCITY
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

This study deals with the dynamic behavior of a cracked beam subjected to a concentrated force traveling at a constant velocity. Dynamic analyses for a hinged-hinged cracked beam resting on elastic supports under the action of a moving load are carried out by the finite element method. For the beam having rectangular cross-section, element formulation for crack element is developed by using the principles of fracture mechanics. In the numerical analysis, Newmark integration method is employed in order to calculate the dynamic response of the beam. The effects of crack depth, crack location, elastic support and load velocity on the dynamic displacements calculated for different locations on the beam are investigated. The results related to the dynamic response of the beam are presented in 3D graphs.