نتایج جستجو برای: oblique load

تعداد نتایج: 160096  

Abolfazl Khalkhali, Alireza Salour

Actual applications of the energy absorbers showed that actual loads are not applied in the form of pure axial compression, pure bending or pure torsion. In reality, an energy absorber component may be subjected to combined loading of compression, bending and torsion. A number of previous articles have investigated the behavior of energy absorbers under oblique loading. In such cases, the obliq...

Journal: :international journal of advanced design and manufacturing technology 0
reza mohamadipour khodadad vahedi sayed mohamadreza emam

in this study, first energy absorption of axial and bending loading is considered. next, thin walled structures under oblique loading are investigated using abaqus computer simulation, where 180 different cases are simulated. simulation results of the thin walled structures under oblique loading were compared with the experimental results of nagel, and good agreement was perceived. simulation r...

Ejlali, Masoud, Esfahanizade, Gholam reza, Saboori, Abolfasl,

Comparison of stresses transferred to the implant supported overdentures with bar, ball and zaag attachments through photoelasticity Dr. A. Saboori* - Dr. Gh. Esfahanizade** - Dr. M. Ejlali*** *- Assistant Professor of Prosthodontics Dept. - Faculty of Dentistry – Shaheed Beheshti University of Medical Sciences. **- Assistant Professor of Prosthodontics Dept. - Faculty of Dentistry – Tehran Isl...

Journal: :The American journal of sports medicine 2009
Chad J Griffith Coen A Wijdicks Robert F LaPrade Bryan M Armitage Steinar Johansen Lars Engebretsen

BACKGROUND There is limited information regarding load responses of the posterior oblique and superficial medial collateral ligaments to applied loads. HYPOTHESES The degree of knee flexion affects loads experienced by the posterior oblique ligament and both divisions of the superficial medial collateral ligament. The posterior oblique ligament provides significant resistance to valgus and in...

Journal: :iranian endodontic journal 0
aliakbar rezaei department of prosthodontics, dental school, shahid beheshti university of medical sciences, tehran, iran fereidoon soltani department of prosthodontics, dental school, shahid beheshti university of medical sciences, tehran, iran fariborz vafaei department of prosthodontics, dental school, hamadan university of medical sciences, hamadan, iran masoumeh khoshhal department of periodontics, dental school, hamadan university of medical sciences, hamadan, iran. majid reza ayatollahi department of mechanical engineering, iran university of science and technology, tehran, iran. naser soltani department of mechanical engineering, tehran university of medical sciences, tehran, iran.

introduction: many studies have been performed to evaluate the stress distribution around endodontic posts; those which compared posts composed of different materials are rare. the aim of this study was to compare stresses induced in dentin by three structurally different posts using photoelasticity method. materials and methods: nine blocks of psm-5 photoelastic material with 45×45×10 mm dimen...

Journal: :international journal of automotive engineering 0
a. khalkhali m. sarmadi a. bodaghi

this study aims to numerically investigate on the crashworthiness of thin-walled square tubes by consideration of 3-d oblique loading. in this type of loading, direction of loading is defined by using two spatial angles relative to the position of the tube. to this aim, finite element (fe) analysis is employed to simulate the loading for 8 different numerical models with different loading orien...

Bodaghi, A., Khalkhali, A., Sarmadi, M.,

This study aims to numerically investigate on the crashworthiness of thin-walled square tubes by consideration of 3-D oblique loading. In this type of loading, direction of loading is defined by using two spatial angles relative to the position of the tube. To this aim, finite element (FE) analysis is employed to simulate the loading for 8 different numerical models with different loading orien...

Journal: :Journal of vision 2017
Ilona M Bloem Sam Ling

Orientation perception is not comparable across all orientations-a phenomenon commonly referred to as the oblique effect. Here, we first assessed the interaction between stimulus contrast and the oblique effect. Specifically, we examined whether the impairment in behavioral performance for oblique versus cardinal orientations is best explained by a contrast or a response gain modulation of the ...

Kermanshah, Hamid, Mirzaee, Mansoreh, Ranjbar Omrani, Ladan,

Evaluation of stress distribution in endodontically treated teeth, restored with post and crown by finite element analysis Dr. H. Kermanshah * - Dr. M. Mirzaee* - Dr. L. Ranjbar Omrani** *- Assistant Professor of Operative Dentistry Dept. - Faculty of Dentistry–Tehran University of Medical Sciences. **- Operative Dentistry Specialist. Background and Aim: Proper restoration of root canal treated...

2013
Su-kyoung Lee

[Purpose] The present study examined the activity and the gait characteristics of the gluteus medius and the trunk stability muscles during the stance phase of gait on level ground when a vertical load corresponding to 0%, 1%, or 2% of body weight was placed on the lower extremities during the swing phase of the gait. [Methods] The subjects were 40 young males aged between 21 and 30 years. The ...

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