نتایج جستجو برای: perturbation growth

تعداد نتایج: 876266  

Journal: :Journal of Mathematical Analysis and Applications 1977

ژورنال: Physical Treatments 2015

Purpose: This study aimed to determine muscular response in balance recovery after postural perturbation among females with increased thoracic kyphosis. Methods: This is a quasi-experimental study. A total of 12 female students with thoracic kyphosis (>40 degrees) and 12 matched controls were selected to participate in the study. Each subject underwent unexpected perturbation fr...

Journal: :Acta Mechanica 2021

Abstract We present a study of smart growth in layered cylindrical structures. start from the characterization compatible field an anisotropic growing tube with aim to show small perturbation that may produce controlled deprivation compatibility and localization elastic energy storage composite structure made up tubes.

Deep understanding of molecular biology has allowed emergence of new technologies like DNA decryption.  On the other hand, advancements of molecular biology have made manipulation of genetic systems simpler than ever; this promises extraordinary progress in biological, medical and biotechnological applications.  This is not an unrealistic goal since genes which are regulated by gene regulatory ...

In this paper, we consider a non-self-adjoint, singular, nonlinear fourth order boundary value problem which arises in the theory of epitaxial growth. It is possible to reduce the fourth order equation to a singular boundary value problem of second order given by w''-1/r w'=w^2/(2r^2 )+1/2 λ r^2. The problem depends on the parameter λ and admits multiple solutions. Therefore, it is difficult to...

Journal: :The Astronomical Journal 2021

Standard models of planet formation explain how planets form in axisymmetric, unperturbed disks single star systems. However, it is possible that giant could have already formed when other planetary embryos start to grow. We investigate the dynamics planetesimals under perturbation a gaseous disk. Our aim understand effect planet's on cores outside orbit planet. calculate orbital evolution rang...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشکده علوم پایه 1389

چکیده ندارد.

Journal: :international journal of nonlinear analysis and applications 2015
patanjali sharma

the dynamical behaviour of the forced escape oscillator, which depends on the parameter values we considered, have been studied numerically using the techniques of phase portraits and poincar'{e} sections. also, we employed perturbation methods such as lindstedt's method to obtain the frequency-amplitude relation of escape oscillator.

2003
M. J. OLASCOAGA F. J. BERON - VERA

In this paper we extend earlier results regarding the effects of the lower layer of the ocean (below the thermocline) on the baroclinic instability within the upper layer (above the thermocline). We confront quasigeostrophic baroclinic instability properties of a 2.5-layer model with those of a 3-layer model with a very thick deep layer, which has been shown to predict spectral instability for ...

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