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  4. Experiment and Analysis on the Free Dynamics of a Shallow Arch After an Impact Load at the End
 
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Experiment and Analysis on the Free Dynamics of a Shallow Arch After an Impact Load at the End

Resource
ASME Journal of Applied Mechanics 72: 54-61
Journal
ASME Journal of Applied Mechanics
Journal Volume
72
Journal Issue
1
Pages
54-61
Date Issued
2005
Date
2005
Author(s)
Chen, Jen-San  
Liao, Chun-Yi
URI
http://ntur.lib.ntu.edu.tw//handle/246246/85602
https://www.scopus.com/inward/record.uri?eid=2-s2.0-14644421475&doi=10.1115%2f1.1827245&partnerID=40&md5=78c8a77cb7c35306eb2fe0167fe929f1
Abstract
In this paper we consider a sinusoidal arch with one end pinned in space while the other end attached to a mass and supported by a spring. The supporting wall of the spring is moved a distance quasi-statically to initiate preload in the arch and the spring. The assembly is then set in motion by an impact at the attached mass. The condition under which the arch may snap to the other side dynamically depends on the initial speed of the attached mass due to impact. Sufficient condition on the initial speed against dynamic snap-through is formulated based on the concept of minimum energy barrier. The effects of damping on the transient response of the assembly are also discussed. An experimental setup is designed to measure the transient response of the arch following the impact and the critical initial speed of the attached mass. The experimental results are in good agreement with theoretical predictions. Copyright © 2005 by ASME.
Other Subjects
Bifurcation (mathematics); Buckling; Elastic moduli; Finite element method; Impact testing; Integral equations; Structural loads; Critical loads; Impact loads; Lateral loads; Static buckling; Structural analysis
Type
journal article
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