Search Results - "Ali Nikkhoo"

Evaluation of performance and seismic parameters of eccentrically braced frames equipped with dual vertical links by Vahid Mohsenian, Ali Nikkhoo

“…Investigations on seismic performance of eccentrically braced frames equipped with dual vertical links have received little attention. Therefore, the main goal…”
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Dynamic Response of an Elastic Tube-like Nanostructure Embedded in a Vibrating Medium and under the Action of Moving Nano-Objects by Ma, Xiaoxia, Roshan, Mojtaba, Kiani, Keivan, Nikkhoo, Ali

“…In recent years, researchers have looked at how tube-like nanostructures respond to moving loads and masses. However, no one has explored the scenario of a…”
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Inspection of a Rectangular Plate Dynamics Under a Moving Mass With Varying Velocity Utilizing BCOPs by Niaz, Motahareh, Nikkhoo, Ali

“…AbstractThis research is dedicated to the inspection of a thin rectangular plate dynamic behavior traversed by an accelerated moving mass. BCOPs (boundary…”
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On the limitations of linear beams for the problems of moving mass-beam interaction using a meshfree method by Kiani, Keivan, Nikkhoo, Ali

“…This paper deals with the capabilities of linear and nonlinear beam theories in predicting the dynamic response of an elastically supported thin beam traversed…”
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On the computation of moving mass/beam interaction utilizing a semi-analytical method by Nikkhoo, Ali, Farazandeh, Ali, Ebrahimzadeh Hassanabadi, Mohsen

“…This article proposes a new orthogonal basis for the spatial discretization tracking the dynamic response of shear deformable beams. The corresponding initial…”
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Assessing dynamic response of multispan viscoelastic thin beams under a moving mass via generalized moving least square method by Kiani, Keivan, Nikkhoo, Ali, Mehri, Bahman

“…Dynamic response of multispan viscoelastic thin beams subjected to a moving mass is studied by an efficient numerical method in some detail. To this end, the…”
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Investigating the behavior of smart thin beams with piezoelectric actuators under dynamic loads by Nikkhoo, Ali

“…In this paper, the constitutive equation of motion for an Euler–Bernoulli beam in which a number of piezoelectric patches are bonded to the bottom and top…”
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The impact of a crack existence on the inertial effects of moving forces in thin beams by Nikkhoo, Ali, Sharifinejad, Mahshid

“…•Crucial condition in cracked beams response under a moving mass is less concerning.•The response pertinent to moving mass is not always greater than that of…”
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Multi-level Response Modification Factor Estimation for Steel Moment-Resisting Frames Using Endurance-Time Method by Mohsenian, Vahid, Hajirasouliha, Iman, Nikkhoo, Ali

“…The computational complexity and high computational costs are the main obstacles to estimate the seismic demand and capacity of non-linear structural systems…”
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Utilization of characteristic polynomials in vibration analysis of non-uniform beams under a moving mass excitation by Ahmadi, Mehdi, Nikkhoo, Ali

“…Vibration of non-uniform beams with different boundary conditions subjected to a moving mass is investigated. The beam is modeled using Euler–Bernoulli beam…”
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Rayleigh, Love and Stoneley waves in a transversely isotropic saturated poroelastic media by means of potential method by Mahmoodian, Mohammadreza, Eskandari-Ghadi, Morteza, Nikkhoo, Ali

“…Investigation of propagation of surface waves, and also interfacial waves in a saturated either homogeneous or coated half-space in the framework of a…”
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An investigation into the effect of soil-foundation interaction on the seismic performance of tunnel-form buildings by Mohsenian, Vahid, Nikkhoo, Ali, Hejazi, Farzad

“…Great weight and stiffness can potentially intensify the forces induced to the tunnel-form buildings during seismic events. To overcome the adverse effects of…”
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Estimation of seismic response parameters and capacity of irregular tunnel-form buildings by Mohsenian, Vahid, Nikkhoo, Ali, Hajirasouliha, Iman

“…Insufficient information about the seismic performance of tunnel-form buildings and limited relevant design codes and standards are the main barriers towards…”
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Multi-Level Response Modification Factors for Performance-Based Seismic Design of Tunnel-Form Building Structures by Mohsenian, Vahid, Filizadeh, Reza, Nikkhoo, Ali, Hajirasouliha, Iman

“…The code-based response modification factors are mainly developed based on engineering judgments and experiences from past earthquakes, and hence, they may not…”
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Seismic reliability assessment of RC tunnel-form structures with geometric irregularities using a combined system approach by Mohsenian, Vahid, Hajirasouliha, Iman, Mariani, Stefano, Nikkhoo, Ali

“…Tunnel-form structures represent a new type of structural systems with enhanced earthquake resistance and considerably reduced construction times, if compared…”
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Development of hybrid rubber damper-restrainer (HRDR) system for structures under sever dynamic excitation by Mandani, Ali Mahmoudi, Hejazi, Farzad, Nikkhoo, Ali

“…Nowadays, high damping rubber materials are extensively implementing in various types of structure to mitigate harmful effect of imposed vibration and dynamic…”
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Analyzing Vertical Earthquake Vibrations and Moving Vehicle Loads for Structural Health Monitoring and Vibration Suppression in Bridges by Bahrami Eskandari, Ardalan, Nikkhoo, Ali, Hajirasouliha, Iman

“…The design of bridges often overlooks the vertical component of earthquakes or considers it of secondary importance, despite compelling evidence indicating…”
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A low computational cost seismic analyses framework for 3D tunnel-form building structures by Mohsenian, Vahid, Nikkhoo, Ali, Hajirasouliha, Iman, Hejazi, Farzad

“…Numerical modeling of tunnel-form buildings entails the utilization of 3D finite element models consisting of large numbers of shell and fiber elements…”
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Dynamic response of geometrically nonlinear, elastic rectangular plates under a moving mass loading by inclusion of all inertial components by Rofooei, Fayaz R., Enshaeian, Alireza, Nikkhoo, Ali

“…Dynamic deformations of beams and plates under moving objects have extensively been studied in the past. In this work, the dynamic response of geometrically…”
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Prediction capabilities of classical and shear deformable beam models excited by a moving mass by Kiani, Keivan, Nikkhoo, Ali, Mehri, Bahman

“…In this paper, a comprehensive assessment of design parameters for various beam theories subjected to a moving mass is investigated under different boundary…”
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