نتایج جستجو برای: forced perturbation

تعداد نتایج: 110538  

Journal: :Nuclear Engineering and Design 2021

The Molten Salt Reactor (MSR) concept is a rapidly evolving Generation IV design that has recently attracted favorable attention due to the potential for reducing waste generation, realizing passive safety features, and seizing on opportunity cost effective economics. A specific novel micro-MSR, natural circulation, battery involves placing all primary components within single reactor vessel co...

Journal: :Journal of Climate 2023

Abstract As the highest and most extensive plateau in world, Tibetan Plateau (TP) has remarkable effects on global climate. Through coupled model sensitivity experiments with without TP, we show that TP can affect Arctic directly via orography-forced stationary waves, influence Antarctic indirectly waves forced by sea surface temperature (SST) Indian Ocean. These far-reaching impacts occur main...

اصلان‌خانی, محمدعلی, شجاعی, معصومه, صلواتی, مهیار, عظیم‌زاده, الهام,

Objectives: Falling is a main cause of mortality in elderly. Balance training exercises can help to prevent falls in older adults. According to the principle of specificity of training, the perturbation-based trainings are more similar to the real world. So these training programs can improve balance in elderly. Furthermore, exercising in an aquatic environment can reduce the limitations for ba...

ژورنال: Physical Treatments 2014

Introduction: The aim of the current study was to measure ground reaction force and center of pressure (COP) during lower extremity perturbation in single leg standing whit knee flexion and extension in healthy subjects, in addition to revealing reliability of the device used for the related perturbation for using another studies, reliability is one of the characteristic of measuring instrumen...

Journal: :Physical review 2021

The Standard-Model Extension (SME) is an effective-field-theoretic framework that catalogs all Lorentz-violating field operators. anisotropic correction from the minimal gravitational SME to Newtonian energy for spheroids studied, and rotation of rigid solved with perturbation method numerical approach. well-known forced precession solution given by Nordtvedt in parametrized post-Newtonian form...

Journal: :Nonlinear Dynamics 2021

The excitations of nonlinear magnetosonic lump waves induced by orbiting charged space debris particles in the Low Earth Orbital (LEO) plasma region are investigated presence ambient magnetic field. These found to be governed forced Kadomtsev–Petviashvili-type model equation, where forcing term signifies source current generated different possible motions LEO region. Different analytic wave sol...

Journal: :wavelet and linear algebra 2015
e. kokabifar g.b. loghmani a. m. nazari s. m. karbassi

consider an n × n matrix polynomial p(λ). a spectral norm distance from p(λ) to the set of n × n matrix polynomials that havea given scalar µ ∈ c as a multiple eigenvalue was introducedand obtained by papathanasiou and psarrakos. they computedlower and upper bounds for this distance, constructing an associated perturbation of p(λ). in this paper, we extend this resultto the case of two given di...

Journal: :journal of applied and computational mechanics 0
gamal ismail mathematics department faculty of science sohag university sohag, egypt

in this paper, a new analytical approach has been presented for solving strongly nonlinear oscillator problems. iteration perturbation method leads us to high accurate solution. two different high nonlinear examples are also presented to show the application and accuracy of the presented method. the results are compared with analytical methods and with the numerical solution using runge-kutta m...

Journal: :international clinical neurosciences journal 0
s.y. shirazi amirkabir university of technology z. safaeepour university of social welfare and rehabilitation amir saied seddighi shahidbeheshti university of medical sciences n. fatouraee dept. of biomedical engineering, amirkabir university of technology (tehran polytechnic),

recent studies show significant reduction of postural stability in transtibial amputees (ttas) especially when a perturbation is applied. however, no record has been seen on the consequences of such perturbation on the stump-socket interface pressure (ssip). our objective was to investigate whether such perturbation impose excessive pressures on the stump. we were also interested on the type of...

Journal: :medical journal of islamic republic of iran 0
b. akhbari physiotherapy department of university of social welfare & rehabilitationevin, daneshjoo,blvd, koodakyar ave, university of social welfare and rehabilitation ,tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم بهزیستی و توانبخشی (university of social welfare and rehabilitation sciences) i. ebrahimi takamjani rehabilitation faculty of iran university of medical sciences, mirdamad st, madar sq., tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) m. salavati physiotherapy department of university of social welfare & rehabilitationسازمان اصلی تایید شده: دانشگاه علوم بهزیستی و توانبخشی (university of social welfare and rehabilitation sciences) h. farahini iran university of medical sciences, hemmat expressway, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) m. a. sanjari rehabilitation faculty of iran university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

abstract background: several studies have examined the reflex response of ankle musculature to sudden inversion in noninjured and injured subjects. to date, there have been no studies to determine the effect of versatile degrees & conditions of perturbation on the ankle musculature latency. the purpose of this study was to measure and determine whether there was a difference in ankle musculatur...

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