نتایج جستجو برای: static and dynamic analysis

تعداد نتایج: 17337644  

The determination of structural and nonstructural damage under earthquake excitations is usually considered as a key factor in performance-based seismic design (PBSD) methods is In this regard, various damage indices have been developed in recent years to quantitatively estimate structural damage. The aim of this study is to develop a simple method to evaluate performance levels of zipper-brace...

Journal: :journal of rehabilitation in civil engineering 2014
r. c. barros m. t. braz-césar hosein naderpour s.m. khatami

the objective of this review to be submitted in two independent parts, for steel frames and for rc frames, is to compare their structural performance with respect to the proposed n2-method, and so also of the consequent convenience of using pushover methodology for the seismic analysis of these structures. a preliminary investigation is presented on a pushover analysis used for the seismic perf...

ژورنال: Physical Treatments 2018

Purpose: This study aimed to compare the effect of 4 weeks of suspension exercises with TRX and hopping on the static and dynamic balance of male college athletes. Methods: This was a quasi-experimental study. In total, 36 male volleyball, basketball, soccer and handball players of the University of Tehran with an age range between 20 and 28 years were selected purposefully and then randomly a...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
امیر شریعتی دانشجوی کارشناسی ارشد دانشگاه تهران جمال فاضل کلخوران استادیار دانشگاه تهران

the aim of the present study was to investigate and compare the effects of twokinds of motivational and instructional self–talk on the performance of static anddynamic balance tasks in the elderly. for this purpose, 45 old subjects agedbetween 60 and 70 from qom province participated in this study. static balancetask (stand on one leg) and dynamic balance task (sebt test) were instructed withno...

Journal: :journal of computational applied mechanics 0
kia dastani univ of tehran mahdi moghimi zand univ of tehran

in the current study the effect of casimir force and squeezed film damping on the pull-in instability and dynamic behavior of electrostatically actuated nano and micro electromechanical systems is investigated separately. linear elastic membrane theory is used to model the static and dynamic behavior of system for strip, annular and disk geometries. squeezed film damping effect is modeled using...

In this paper the damage location in beam like-structure is determined using static and dynamic data obtained using finite volume method. The change of static and dynamic displacement due to damage is used to establish an indicator for determining the damage location. In order to assess the robustness of the proposed method for structural damage detection, three test examples including a static...

Journal: :Electronic Notes in Theoretical Computer Science 2005

Journal: :Revue d’économie industrielle 2007

ژورنال: دانشور پزشکی 2017
ابراهیمی, حسینعلی, صاحب الزمانی, منصور, میرزایی, مهتاب,

Background and Objective: Different morphologies are factors for the effectiveness of training programs on subjects. The aim of this study was the effect of 8-week Tai Chi exercise on static and dynamic balance in women with multiple sclerosis (MS) with emphasis on mesomorph and endomorph's morphology. Materials and Methods: In a clinical trial, 48 patients with MS were purposefully select...

Journal: :computational methods in civil engineering 2011
a.r. khoei m. h. pourmatin

in this paper, the mechanical behavior of three-phase inhomogeneous materials is modeled using the meso-scale model with lattice beams for static and dynamic analyses. the timoshenko beam theory is applied instead of the classical euler-bernoulli beam theory and the mechanical properties of lattice beam connection are derived based on the continuum medium using the non-local continuum theory. t...

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