نتایج جستجو برای: vibration mitigation of structures
تعداد نتایج: 21196332 فیلتر نتایج به سال:
Reduction of structural damages due to the blast attacks is the main priorities of civil defense. Since most researchs in this field are concentrated on stability and strength increasing of the structures, this paper provides an effective method to blast load mitigation on the structures. In this study, twelve full-scale samples in four groups have tested under the same weight and stand-off of ...
To analyze the multi-dimensional seismic mitigation performance and torsional vibration characteristic of an L-shaped frame structure with a magnetorheological damper (MRD). Firstly, mechanical property MRD is experimentally studied. Then, calculation models without MRDs are found through theoretical analysis, programs compiled. Finally, time history responses calculated during excitation bi-di...
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Semi-active control systems have been widely studied over the last 20 years. The range of applications includes automotive suspensions, seismic vibration mitigation, large bridges vibration control, knee prosthesis, among others. Semi-active actuators have a complex dynamics, and interaction between actuator and plant cannot be ignored in control design. This is specially true for magneto-rheol...
Vibrations of plate and plate type structures made up of composite materials have a significant role in various industrial mechanical structures, aerospace industries and other engineering applications. The main aim of the present paper is to study the two dimensional thermal effect on the vibration of non-homogeneous square plate of variable thickness having clamped boundary. It is assumed tha...
Aalto University, P.O. Box 11000, FI-00076 Aalto www.aalto.fi Author Juha Orivuori Name of the doctoral dissertation Model-Based Optimal Control of Multidimensional and Multi-Tonal Frequency Varying Disturbances Publisher School of Electrical Engineering Unit Department of Automation and Systems Technology Series Aalto University publication series DOCTORAL DISSERTATIONS 11/2013 Field of resear...
a frame semantic approach to the study of translating cultural scripts in salingers franny and zooey
the frame semantic theory is a nascent approach in the area of translation studies which goes beyond the linguistic barriers and helps us to incorporate cognitive and cultural factors to the study of translation. based on rojos analytical model (2002b), which centered in the frames or knowledge structures activated in the text, the present research explores the various translation problems that...
The computational intelligent technique is frequently used by different authors to design the control part of active vibration control system to minimize the vibration of different structures. The purpose of this review paper is to collect different research papers on vibration control method using modern computation intelligent techniques such as Fuzzy logic technique and neural network techni...
Bending, buckling and vibration behaviors of nonlocal Timoshenko beams are investigated in this research using a variational approach. At first, the governing equations of the nonlocal Timoshenko beams are obtained, and then the weak form of these equations is outlined in this paper. The Ritz technique is selected to investigate the behavior of nonlocal beams with arbitrary boundary conditions ...
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