نتایج جستجو برای: asymmetric stiffness

تعداد نتایج: 108402  

اسلامی, منصور, حسین زاده, عفت, صفایی کناری, علیرضا,

Objective: Lower extremity stiffness is associated with variables such as the frequency and length of running steps, the amount of muscle force and power production. Previous studies showed contradictory findings regarding the relationship between lower extremities joints stiffness and start velocity. Sprint start can be highly affected by two key components of lower limb stiffness, namely, for...

2006
Santiago Naranjo

This paper presents a simple method to calculate pushover curves for asymmetric structure with displacement-dependent passive energy dissipation devices (DDPEDDs). The method analyzes the deformation of a symmetric structure in translation and in torsion. These results are then combined in order to calculate the pushover curve for an asymmetric structure with DDPEDDs. The numerical results obta...

Journal: :iranian journal of nursing and midwifery research 0
maryam kianpour mehdi nematbakhsh sayad mehdi ahmadi

abstract background: increase in nitric oxide (no) concentration accompanied by alteration in peritoneal immune defense reactions is involved in the pathogenesis of endometriosis. asymmetric dimethylarginine is an endogenous competitive inhibitor of no synthase. this study was designed to compare no metabolite (nitrite), asymmetric dimethylarginine, and estradiol concentrations in serum and per...

The main criterion in investment decisions is to maximize the investors utility. Traditional capital asset pricing models cannot be used when asset returns do not follow a normal distribution. For this reason, we use capital asset pricing model with independent and identically asymmetric power distributed (CAPM-IIAPD) and capital asset pricing model with asymmetric independent and identically a...

Journal: :Advanced Robotics 2013
Amir Rezaei Alireza Akbarzadeh Tootoonchi

This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date...

Journal: :Sustainability 2022

Based on the deformation and damage characteristics of surrounding rock in a large-section gob-side entry retaining combined with field observations an analysis dominant factors, overall control plan is formulated. The mainly includes structure high strength, stiffness ductility for roadside support; reinforcement roadway-in setup hydraulic fracturing pressure release mechanism advanced long, h...

Journal: :Mechanical Systems and Signal Processing 2021

This paper puts forward a projection technique for accurately calculating solutions of large Quadratic Eigenvalue Problem. The aim here is to stabilize the complex eigensolutions whilst reducing residual errors, especially when considering significant damping contribution or asymmetric stiffness matrices. Hence, more confident results can be obtained in frequency band interest. To achieve this,...

Journal: :Optics letters 2009
Shilong Pan Jianping Yao

We propose and demonstrate a simple method to generate ultrawideband (UWB) pulses in the optical domain using a chirped intensity modulator and an asymmetric Mach-Zehnder interferometer (AMZI). Polarity- and shape-switchable UWB Gaussian monocycle, doublet, and triplet pulses with fractional bandwidths of 158%, 134%, and 100% and center frequencies of 6.52, 9.78, and 10.1 GHz are experimentally...

Journal: :تحقیقات اقتصادی 0
غلامرضا کشاورز حداد دانشیار دانشکدة اقتصاد و مدیریت دانشگاه صنعتی شریف علیرضا صابونی ‏ها دانشجوی دکتری علوم اقتصادی دانشگاه صنعتی شریف

asymmetric information in iran’s insurance market: case study for automobile insurance in iran insurance companythis research aims to test the presence of asymmetric information by using the dynamic information of automobile policyholders in the iran insurance company (iic). the conditional independence test is conducted by bivariate probit model, the dynamic properties which are presented for ...

Journal: :Measurement & Control 2021

Vibration and control of cantilever blade with bending-twist coupling (BTC) based on trailing-edge flap (TEF) by restricted input are investigated. The is a thin-walled structure using circumferentially asymmetric stiffness (CAS) configuration, TEF embedded hinged into the host composite along entire span. driven quasi-steady aerodynamic forces. investigated linear matrix inequation (LMI) algor...

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