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

被引：8

作者：

Ozturk, Hasan ^{[1
]}

Kiral, Zeki ^{[1
]}

Kiral, Binnur Goren ^{[1
]}

机构：

[1] Dokuz Eylul Univ, Dept Mech Engn, TR-35397 Izmir, Turkey

来源：

LATIN AMERICAN JOURNAL OF SOLIDS AND STRUCTURES | 2016年 / 13卷 / 01期

关键词：

Cracked beam; Finite element analysis; Newmark integration; Moving load; Elastic support; LAMINATED COMPOSITE BEAMS; FINITE-ELEMENT-ANALYSIS; VIBRATION ANALYSIS; FORCE; MASS; FOUNDATION; VELOCITY;

D O I：

10.1590/1679-78252195

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

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.

引用

页码：175 / 200

页数：26

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