نتایج جستجو برای: thermal buckling

تعداد نتایج: 225354  

Journal: :Journal of Marine Science and Engineering 2021

The buckling analysis of an offshore pipeline refers to the temperature-induced uplift and lateral pipelines by analytical, numerical, experimental means. Thus, current study discusses different research performed on thermal pipe-buckling factors affecting pipeline’s behaviour. consists dependency direction seabed features burial condition; pre-buckling post-buckling load-displacement behaviour...

2015
Yali Ma Zhen Gong Liang Zhao Yue Han Yun Wang

This paper investigates the relationship between mechanical behaviors and shape of corrugated fiberboard by means of buckling analysis, which is done by FEM (Finite Element Method). Firstly, after analyzing the structure of corrugated fiberboard a single-wall corrugated fiberboard model was built. The buckling load was measured in the ideal condition by linear buckling analysis (eigenvalue buck...

2004
Cheng Yu Benjamin W. Schafer

Failure in cold-formed steel beams is generally initiated by one of three instabilities: local, distortional, or lateral-torsional buckling. For cold-formed steel joists, purlins, or girts, when the compression flange is not restrained by attachment to sheathing or paneling, distortional buckling may be the predominant failure mode. Experimental results on cold-formed steel beams with unrestrai...

2006
A. Vaziri

Linear eigenvalue analysis of cracked cylindrical shells under combined internal pressure and axial compression is carried out to study the effect of crack type, size and orientation on the buckling behavior of cylindrical thin shells. Two types of crack are considered; through crack and thumbnail crack. Our calculations indicate that depending on the crack type, length, orientation and the int...

2017
C G Johnson U Jain A L Hazel D Pihler-Puzović T Mullin

We report the results of a numerical and theoretical study of buckling in elastic columns containing a line of holes. Buckling is a common failure mode of elastic columns under compression, found over scales ranging from metres in buildings and aircraft to tens of nanometers in DNA. This failure usually occurs through lateral buckling, described for slender columns by Euler's theory. When the c...

2014
Kyle McElhinny

Submitted for the MAR14 Meeting of The American Physical Society Probing Large-Wavevector Phonons in Strain-Relief Patterned Silicon/Silicon Germanium Heterostructure Nanomembranes KYLE MCELHINNY, Univ of Wisconsin, Madison, GOKUL GOPALAKRISHNAN, Univ of Wisconsin, Platteville, DON SAVAGE, MAX LAGALLY, Univ of Wisconsin, Madison, MARTIN HOLT, Center for Nanoscale Materials, Argonne National Lab...

Journal: :international journal of nano dimension 0
m. karimi department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran. a. r. shahidi department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran.

in this article, finite difference method (fdm) is used to solve sixth-order derivatives of differential equations in buckling analysis of nanoplates due to coupled surface energy and non-local elasticity theories. the uniform temperature change is used to study thermal effect. the small scale and surface energy effects are added into the governing equations using eringen’s non-local elasticity...

2006
A. Sears R. C. Batra

Buckling of single-walled and multiwalled carbon nanotubes SWNTs and MWNTs, respectively due to axial compressive loads has been studied by molecular mechanics simulations, and results compared with those from the analysis of equivalent continuum structures using Euler buckling theory and the finite element method. It is found that a MWNT of large aspect ratio length/diameter buckles as a colum...

Journal: :Journal of the mechanical behavior of biomedical materials 2015
Callan M Luetkemeyer Rhys H James Siva Teja Devarakonda Victoria P Le Qin Liu Hai-Chao Han Jessica E Wagenseil

Arteries can buckle axially under applied critical buckling pressure due to a mechanical instability. Buckling can cause arterial tortuosity leading to flow irregularities and stroke. Genetic mutations in elastic fiber proteins are associated with arterial tortuosity in humans and mice, and may be the result of alterations in critical buckling pressure. Hence, the objective of this study is to ...

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