نتایج جستجو برای: plastic hinge

تعداد نتایج: 59872  

Journal: :IOP conference series 2023

Abstract Reinforced concrete is a construction material used frequently in Indonesia to build structural members especially beam structures. As one of the members, should be able carry flexural and shear loading as well distribute column eventually foundation. In order avoid failure design, reinforced continuously studied. This research investigates its behavior at monotonic loading-unloading s...

Journal: :Journal of cataract and refractive surgery 2004
Eric D Donnenfeld Michael Ehrenhaus Renée Solomon Jeremy Mazurek Joshua C Rozell Henry D Perry

PURPOSE To investigate the effect of hinge width on corneal sensation and dry-eye syndrome after laser in situ keratomileusis (LASIK). SETTING TLC Laser Eye Center, Garden City, New York, USA. METHODS Fifty-four patients at least 18 years of age had bilateral LASIK with a narrow nasal hinge microkeratome flap in 1 eye and a wider nasal hinge microkeratome flap in the other eye. In all eyes,...

Journal: :Journal of Applied Mechanical Engineering 2017

Journal: :international journal of civil engineering 0
k. sadeghi civil engineering department, girne american university, girne, north cyprus, via mersin 10, turkey

an analytical nonlinear stress-strain model and a microscopic damage index for confined and unconfined concretes together with a macroscopic damage index for reinforced concrete (rc) structures under cyclic loading are proposed. in order to eliminate the problem of scale effect, an adjustable finite element computer program was generated to simulate rc structures subjected to cyclic loading. by...

Journal: :journal of the structural engineering and geotechnics 0
maziar basirololoomi m. sc student, department of civil engineering, eslamshahr branch, islamic azad university, tehran, iran armin aziminejad assistant professor, department of civil engineering, science and research branch, islamic azad university, tehran, iran. fariman ranjbaran assistant professor, department of civil engineering, eslamshahr branch, islamic azad university, tehran, iran

moment-resisting frames have extensive usage in earthquake-prone areas and high ability in energy dissipation.after the earthquake in northridge 1994,kobe 1995 fixed connections of steel structures have shown poor performance and generally they were caught brittle fracture of beam flange weld to the column.in order to remedy to avoid similar situations in future earthquakes,researchers introduc...

Armin Aziminejad Fariman Ranjbaran Maziar Basirololoomi,

Moment-resisting frames have extensive usage in earthquake-prone areas and high ability in energy dissipation.After the earthquake in Northridge 1994,Kobe 1995 fixed connections of steel structures have shown poor performance and generally they were caught brittle fracture of beam flange weld to the column.In order to remedy to avoid similar situations in future earthquakes,researchers introduc...

Shape memory alloys (SMAs) are unique smart materials that have many advantages, such as ability to resist large strains without leaving residual strains and ability to recover original form. However, the high costs of SMAs have limited their usage. This paper evaluates the behavior of concrete structures equipped with SMAs in an optimal manner as they are being used along the plastic hinge of ...

Journal: :The Journal of biological chemistry 1984
B Mao J A McCammon

The L-arabinose-binding protein of Escherichia coli is a periplasmic component of the bacterial L-arabinose transport system. The three-dimensional structure of the molecule has been determined by x-ray diffraction and shown to have two globular domains and a connecting hinge. Theoretical study of the flexibility of the hinge using computer simulation showed that the hinge is quite permissive i...

2012
Gad Abraham

where yi ∈ {−1,+1}. SparSNP uses the squared hinge loss as the classification model. We use the squared-hinge loss rather than the standard hinge loss since the former is twicedifferentiable whereas the latter is not. Twice-differentiability means that the Newton stepsize used in coordinate descent is the second derivative of the loss wrt βj , whereas to use coordinate descent with the hinge lo...

Journal: :Journal of Machine Learning Research 2012
Zhihua Zhang Dehua Liu Guang Dai Michael I. Jordan

Support vector machines (SVMs) naturally embody sparseness due to their use of hinge loss functions. However, SVMs can not directly estimate conditional class probabilities. In this paper we propose and study a family of coherence functions, which are convex and differentiable, as surrogates of the hinge function. The coherence function is derived by using the maximum-entropy principle and is c...

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