نتایج جستجو برای: hoop stress

تعداد نتایج: 439245  

Journal: :Respiratory Physiology & Neurobiology 2010
B. S. Brook S. E. Peel I. P. Hall A. Z. Politi J. Sneyd Y. Bai M. J. Sanderson O. E. Jensen

This paper presents a modelling framework in which the local stress environment of airway smooth muscle (ASM) cells may be predicted and cellular responses to local stress may be investigated. We consider an elastic axisymmetric model of a layer of connective tissue and circumferential ASM fibres embedded in parenchymal tissue and model the active contractile force generated by ASM via a stress...

2010
Andrew D. Sutton James A. Sherwood

Hollow nonwood baseball bats have performance advantages over wooden bats. The hollow barrel bats act as a spring or trampoline during the bat-ball collision. The trampoline effect can occur at different natural frequencies known as hoop modes. To examine the effect of the hoop mode on the bat-ball collision, modal analysis and performance measurements were performed on a sample of hollow nonwo...

2012
Zhiwei Cui Feng Gao Jianmin Qu

This paper reports the development of a new stress-dependent chemical potential for solid state diffusion under multiple driving forces including mechanical stresses. The new stress-dependent chemical potential accounts for nonlinear, inelastic, and finite deformation. By using this stress-dependent chemical potential, insertion and extraction of lithium ions into a silicon particle is investig...

1999
M. S. Honeyman C. L. Brewer J. B. Kliebenstein D. J. Miller A. D. Penner

Introduction During the summer and fall of 1997, the Hoop Research Complex was developed at the Iowa State University (ISU) Rhodes Research Farm for comparing hoop structures to confinement for swine finishing. The site consists of three hoop structures and one modular confinement building. The hoops, each 30 ft × 60 ft, are oriented north/south. The south end of each hoop has a concrete floor ...

Journal: :Biochemistry 1982
G Eyring B Curry A Broek J Lugtenburg R Mathies

Resonance Raman studies of visual pigment analogues regenerated with 10-D, 10,l 1-D2, 11-D, 1 1,12-D2, 12-D, 15-D, and 20,14-D4 isotopic derivatives of retinal have been used to assign the intense hydrogen outsf-plane (HOOP) vibrations in the spectra of rhodopsin, isorhodopsin, and bathorhodopsin. Low temperature 77 K photostationary steady-state experiments show that the unique 853-, 875-, and...

2016
Neeraj Jain Girish Parmar Rajeev Gupta

In this paper swarm intelligence based PID controller tuning is proposed for a nonlinear ball and hoop system. Particle swarm optimization (PSO), Artificial bee colony (ABC), Bacterial foraging optimization (BFO) is some example of swarm intelligence techniques which are focused for PID controller tuning. These algorithms are also tested on perturbed ball and hoop model. Integral square error (...

Journal: :SN applied sciences 2023

Abstract This paper deals with the boundary force method to determine stress distribution in an infinite plate subjected uni-axial tension having elliptical or circular hole. The elasticity solution for a point is used as fundamental solution. conditions are satisfied terms of resultant forces. Stress obtained by validated against results from analytical equations. Traction free condition weakl...

Journal: :Journal of algebraic hyperstructures and logical algebras 2021

In this paper, we define the notion of minimal prime ideals hoops and investigate some properties them. Then by using annihilators, study relation between annihilators. Also, introduce zero divisors elements prove that set all is a union hoop. Finally, notions maximal hoop, two new as p-ideal m-ideal. them every semi-simple hoop an m-ideal it.

Journal: :CoRR 2017
Martin Gurtner Jirí Zemánek

Ball and hoop system is a well-known model for the education of linear control systems. In this paper, we have a look at this system from another perspective and show that it is also suitable for demonstration of more advanced control techniques. In contrast to the standard use, we describe the dynamics of the system at full length; in addition to the mode where the ball rolls on the (outer) ho...

Journal: :Circulation research 1975
M M LeWinter R S Kent J M Kroener T E Carew J W Covell

To determine whether significant regional differences in shortening exist in the canine left ventricle, the shortening characteristics of small segments of the circumferentially oriented hoop axis fibers and the more longitudinally oriented fibers near the epicardium were examined using pairs of ultrasound crystals placed at three levels of the left ventricular free wall in the open-chest dog. ...

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