نتایج جستجو برای: static and dynamic analysis

تعداد نتایج: 17337644  

Seyed Amirodin Sadrnejad,

A finite element solution based on equevalent elements is proposed for the static and dynamic analysis of tallhigh tensioned cable antennas. To reduce high number of degrees of freedom in space frame body of a structure, a simple equivalent beam element is defined for each simulative substructure. This numerical procedure is applicable to analyze complex three dimensional assemblies of substruc...

Journal: :journal of solid mechanics 0
a amiri mechanical engineering department, urmia university, urmia, iran g rezazadeh mechanical engineering department, urmia university, urmia, iran r shabani mechanical engineering department, urmia university, urmia, iran a khanchehgardan mechanical engineering department, urmia university, urmia, iran

in this paper, the stability of a functionally graded magneto-electro-elastic (fg-mee) micro-beam under actuation of electrostatic pressure is studied. for this purpose euler-bernoulli beam theory and constitutive relations for magneto-electro-elastic (mee) materials have been used. we have supposed that material properties vary exponentially along the thickness direction of the micro-beam. gov...

Journal: :international journal of advanced design and manufacturing technology 0
sadegh rahmati hamidreza khalili

automobile body plays crucial role in preventing the collision energy transfer in severe accidents to the passengers. if the collision energy is dissipated or saved in bumper or chassis, the amount of damage to the occupants would be minimized. using novel laminated panel (fiber metal laminate) in auto body, and considering the characteristics such as high energy absorption, strength, high dent...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم انسانی 1389

abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...

1997
David Byers Mariam Kamkar

Propagation analysis is a dynamic code analysis technique that can be used to quantitatively assess certain software properties that are oth erwise di cult to assess such as testability safety and security The currently accepted analysis technique relies heavily on repeated execution of the code being assessed and is therefore very expensive to apply We are currently developing static analysis ...

A. Mahboubi shad M. Esfahanian,

With due attention to the fact that the local and foreign vehicle industries are changing and modifying the previous designs in order to produce new designs, the components of self-propelled are to be differently analyzed. Static and dynamic analysis is one of them. In this paper, chassis and body of a o-457 bus were studied and analyzed under finite element method (using ANSYS).This process wa...

Journal: :the modares journal of electrical engineering 2011
mona ghassemi hossin mohseni kaveh niayesh amir abbas shayegani akmal

although in recent two decades, the concept of dielectric barrier discharges (dbds) have been developed in ozone production well, air pollution control, plasma screens and control of chemical, and biological and medical processes, employment of this concept for high voltage applications to improve insulation performance as an alternative to the pressurized gas-insulated systems (gis) utilizing ...

Journal: :civil engineering infrastructures journal 0
freydoon rezaie assitant professor, department of civil engineering, bu-ali sina university, hamedan, iran. gona ahmadi m.sc., department of civil engineering, bu-ali sina university, hamedan, iran. seyed mohammad farnam ph.d. candidate, department of civil engineering, bu-ali sina university, hamedan, iran.

in this paper, full scale load test of a horizontally curved steel box-girder bridge is carried out in order to detect structural defects, which reportedly result in unwanted vibrations in nearby buildings. the bridge is tested under the passage of six heavy vehicles at different speeds, so as to determine its static and dynamic responses. a total number of one hundred and two (102) sensors are...

ژورنال: مجله طب نظامی 2019

Background and Aim: Research has shown that the type of attentional instructions plays a vital role in performance and learning of various skills, including balance skills and postural control. The purpose of the present study was to investigate the effect of internal and external (close & far) attentional focus on the static and dynamic balance of chemical veterans with movement impairment. Me...

Keivan, Mahbubeh, Sadeghi, Heidar,

Objective: Somatotype is a method to describe the human physique which can influence postural control. The aim of this study was the relationship between somatotype and static, semi-dynamic and dynamic postural control. Methods: 140 females 12-50-year-old(26.45±10.94) participated in this study who had no skeletal, vestibular and neurological abnormalities and no trauma or pain in lower extrem...

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