نتایج جستجو برای: axial and oblique dynamic loading

تعداد نتایج: 16913523  

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...

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...

2017
Tsutomu Sugiura Kazuhiko Yamamoto Satoshi Horita Kazuhiro Murakami Sadami Tsutsumi Tadaaki Kirita

PURPOSE The purpose of this study was to investigate the effects of implant tilting and the loading direction on the displacement and micromotion (relative displacement between the implant and bone) of immediately loaded implants by in vitro experiments and finite element analysis (FEA). METHODS Six artificial bone blocks were prepared. Six screw-type implants with a length of 10 mm and diame...

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...

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...

حسینی, سید حسین, سیفی, محمد مهدی, فرهمند, فرزام,

Objective: The purpose of this study is to find the optimum training conditions for selective strengthening of the vastus medialis oblique muscle over vastus lateralis. Methods: For this purpose, a musculoskeletal model of lower limb was developed by OpenSim software. Using a detailed tibiofemoral and patellofemoral joint modeling and six muscular branches for components of quadriceps femori...

Journal: :Forensic science international 2017
Haim Cohen Chen Kugel Hila May Bahaa Medlej Dan Stein Viviane Slon Tamar Brosh Israel Hershkovitz

The effect of the direction of the impact and the presence of axial loading on fracture patterns have not yet been established in experimental 3-point bending studies. PURPOSE To reveal the association between the direction of the force and the fracture pattern, with and without axial loading. MATERIAL AND METHODS A Dynatup Model POE 2000 (Instron Co.) low energy pendulum impact machine was...

2015
Xiaolei Li Junlong Lu Chao Zhang

Using the formula of shear bearing force of oblique cross section in eccentrically loaded column, we analyze the stress acting on short-leg shear wall and conventional eccentrically loaded column. We propose the formula for calculating the shear bearing force of oblique cross section of short-leg shear wall that considers the action of vertical reinforcing steel bars, flange and axial compressi...

2013
Xianjin Shi Hongqi Liu Gang Sun Baochao Wang

Power head is the main motive mechanism of rotary drilling rig. High axial pressure and high frequency is one of its typical working conditions. Axial loading test is a key point in power head performance tests. Overall design, system theoretical analysis and simulation of power head axial loading system were carried out. The bond graph model and state equations of power head axial servo loadin...

In recent years, thin-walled accordion tubes under axial cyclic loading due to their appropriate energy absorption mechanism and behavioral characteristics were suggested as hysteretic metallic dampers. The effectiveness of accordion metallic damper (AMD) to protect and mitigate the response of structures under seismic loading is well established both experimentally and analytically. In this pa...

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