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Seismic Behaviour Of Base Isolation System Using Lead Rubber Bearing

A. V. Hadian, A. A. Mutalib, S. Baharom
2013 Jurnal Teknologi  
This system would help in reducing the cost in the long time and increase the safety of the structure.  ...  The comparison of the inter-story displacement, drifts frames and top level acceleration response of the LRB system with the Fixed Base System (FBS) using spectrum and time history analysis shows that  ...  Response of structure during the earthquake in terms of inter-story displacement, top level acceleration and top level drift of structure are also carried out.  ... 
doi:10.11113/jt.v65.2195 fatcat:6n2vdfcff5ferhzu4d464plenu

Influence of ground motion duration on the structural response at multiple seismic intensity levels [article]

Mojtaba Harati, Mohammadreza Mashayekhi, Morteza Ashoori Barmchi, Homayoon E. Estekanchi
2020 arXiv   pre-print
of considered structural systems.  ...  levels.  ...  We also thank all the efforts accomplished by the staffs in the center of High-Performance Computing (HPC) of the Sharif University of Technology for providing a robust and fast platform to run our simulations  ... 
arXiv:1905.07416v3 fatcat:jqzevz5wnfhuzjcto3uulj6z7e

DESIGN OF APPLICATION ARCHITECTURE FOR SPATIAL INFORMATION BASED VOLCANIC DISASTER RESPONSE SYSTEM

J. Youn, T. Kim, D. Kim, G. Kim
2018 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
User's requirements are stepped down to variable levels to adjusted application architecture in the system.  ...  This paper deals with the design of application architecture for spatial information based volcanic disaster response system. First, we analyses application architecture of phase I system.  ...  Based on the changed application system structure, three functions in Level 1, 10 functions in Level 2, 9 functions in Level 3, and 4 functions in Level 4 are allocated and each task function description  ... 
doi:10.5194/isprs-archives-xlii-3-w4-573-2018 fatcat:ym3yx5s5nvhwph2eji5qjdp62e

Deterministic-stochastic subspace identification method for identification of nonlinear structures as time-varying linear systems

Babak Moaveni, Eliyar Asgarieh
2012 Mechanical systems and signal processing  
structural systems based on their time-varying amplitude-dependent instantaneous (i.e., based on short time-windows) modal parameters.  ...  The identified instantaneous natural frequencies of the first vibration mode can accurately track the variation in the structure"s effective stiffness along its response.  ...  Assistance of Professors Marios Panagiotou and Ozgur Ozcelik as well as the technical staff at the Englekirk Structural Engineering Center in collecting the test data used in this study is also greatly  ... 
doi:10.1016/j.ymssp.2012.03.004 fatcat:xo4v3vkewjhj7mhhcpp2ws5pp4

Rapid response calculation of LNG cargo containment system under sloshing load using wavelet transformation

Yooil Kim
2013 International Journal of Naval Architecture and Ocean Engineering  
Finally, the response of the structure under entire sloshing impact time history is rapidly calculated by synthesizing the structural response under wavelet basis function.  ...  In this study, the response based strength assessment procedure of LNG cargo containment system has been developed and proposed as an alternative design methodology.  ...  Even if the intensity of level 1 component is rather high in some cases, filtering out the level 1 component usually does not distort the structural response that much in case that the underlying structure  ... 
doi:10.3744/jnaoe.2013.5.2.227 fatcat:zrvc3nbbbjezlf5cus6kbrk5j4

Rapid response calculation of LNG cargo containment system under sloshing load using wavelet transformation

Yooil Kim
2013 International Journal of Naval Architecture and Ocean Engineering  
Finally, the response of the structure under entire sloshing impact time history is rapidly calculated by synthesizing the structural response under wavelet basis function.  ...  In this study, the response based strength assessment procedure of LNG cargo containment system has been developed and proposed as an alternative design methodology.  ...  Even if the intensity of level 1 component is rather high in some cases, filtering out the level 1 component usually does not distort the structural response that much in case that the underlying structure  ... 
doi:10.2478/ijnaoe-2013-0129 fatcat:gyznsflsoranxlosw7uxa7kibq

Simulation Study in Control System Configuration of a Distillation Column

Duraid F Ahmed, Mohanad Y Nawaf
2018 Journal of Chemical Engineering & Process Technology  
The results showed a good performance of the benzene-toluene system using a single-ended temperature control structures with using bottom and top flow rate controlling bottom and top level respectively  ...  This research deals with the dynamic model and control of the distillation tower by applying a multi-loop control system in Matlab/Simulink for a dual mixture of benzene and toluene.  ...  and level using PID is control structure 4 and that show in Figures 24 and 25 for temperature and level although we had a lower IAE in temperature in structure 2 but for level it bigger than other.  ... 
doi:10.4172/2157-7048.1000388 fatcat:dvpl4dy24vbd3jmzut6tfws3ti

Influence of Ground Motion Duration on the Structural Response at Multiple Seismic Intensity Levels

M. Harati, M. Mashayekhi, M. Ashoori Barmchi, H. Estekanchi, Lecturer, Department of Civil Engineering, University of Science and Culture, Rasht, Iran., Research Associate, Department of Civil Engineering, Sharif University of Technology, Tehran, Iran., MSc graduate, Department of Civil Engineering, Sharif University of Technology, Tehran, Iran., Professor, Department of Civil Engineering, Sharif University of Technology, Tehran, Iran.
2019 Numerical Methods in Civil Engineering  
of considered structural systems.  ...  levels.  ...  the HPC platform at the Sharif University of Technology are warmly appreciated because they provide very fast but reliable computing infrastructures for investigations that need demanding computational times  ... 
doi:10.29252/nmce.3.4.10 fatcat:izwlrva43fgpxa4jxso6js2ixy

Application of damage spectra as seismic intensity measures in Endurance Time method for steel moment-resisting frames

Mohammad Maliki-Amin, Homayoon E. Estekanchi
2017 Scientia Iranica. International Journal of Science and Technology  
Moreover, various damage indices of a steel moment frame at two hazard levels are evaluated via nonlinear time-history analyses of the structure under scaled earthquakes and ET records.  ...  In seismic resistant design of moment frames, the structure behavior under earthquakes has to be examined considering various damage criteria.  ...  With this in mind, seismic responses of structures can be determined at various levels of excitation through just one ET analysis.  ... 
doi:10.24200/sci.2017.2376 fatcat:7gdzhof2hzfgrm6p2guikzmqbm

Novel Nonstationarity Assessment Method for Hypersonic Flutter Flight Tests

Hua Zheng, Junhao Liu, Shiqiang Duan
2018 Mathematical Problems in Engineering  
This paper proposes a nonstationarity assessment method based on energy distribution in the time-frequency domain.  ...  Flutter tests with variable speed are a popular alternative to hypersonic tests which provide nonstationary structural response data.  ...  There are two main structural response analysis methods as applied to flutter tests: structural modal damping and system stability.  ... 
doi:10.1155/2018/9742591 fatcat:mcjfdfybr5henmadelwzcmttbq

From multidimensional signals to the generation of responses [chapter]

Gösta H. Granlund
1997 Lecture Notes in Computer Science  
The state of the system is in consequence the combination of the responses produced and the percepts associated with these responses.  ...  It has become increasingly apparent that perception cannot be treated in isolation from the response generation, firstly because a very high degree of integration is required between different levels of  ...  These organisations have supported a great deal of the local research and documentation work mentioned in this overview.  ... 
doi:10.1007/bfb0017859 fatcat:e2tpc2r6inhxbbezj5uc7nflni

Design of Multivariable Control System of a Distillation Tower via Simulation Using MATLAB/Simulink

Duraid F. Ahmed, Mohanad Y. Nawaf
2019 Tikrit Journal of Engineering Sciences  
Four structures configurations of the distillation are applied based on the level and temperature variables. The PID controller is used in all structures in multivariable.  ...  This paper deals with the multivariable control system of the distillation tower by applying multi-structures in MATLAB/Simulink for a binary mixture of benzene and toluene.  ...  Structures of the Control System The control structures of the distillation column in MATLAB/Simulink environment are designed and determining the extent of the system's response to some of the changes  ... 
doi:10.25130/tjes.26.3.07 fatcat:ir2rjmnswvdffiqdczeayh3lfu

Emergency response after 9/11: the potential of real-time 3D GIS for quick emergency response in micro-spatial environments

Mei-Po Kwan, Jiyeong Lee
2005 Computers, Environment and Urban Systems  
In this paper, we examine the potential of using real-time 3D GIS for the development and implementation of GIS-based intelligent emergency response systems (GIERS) that aim at facilitating quick emergency  ...  response to terrorist attacks on multi-level structures (e.g. multi-story office buildings).  ...  In order to provide the real-time data necessary for emergency response operations in multi-level structures, the data-acquisition system of an IBS needs to be extended to include specific types of sensors  ... 
doi:10.1016/j.compenvurbsys.2003.08.002 fatcat:yrm3ec4l2neyhg6ls524yhtcpe

Page 681 of American Society of Civil Engineers. Collected Journals Vol. 126, Issue 7 [page]

2000 American Society of Civil Engineers. Collected Journals  
Response; (c) Transient Stiffness History of System ie) Acceleration oO ah Level 1 Details Transient Stiffness A. s. o s a 10 20 30 0 10 20 30 Leiatcni Time (c) Time FIG. 7.  ...  Response of Simple Structural Model to Harmonic Input and Its Wavelet Analysis, Case 1— Damage due to Accumulative Fa- tigues: (a) Acceleration Response; (b) Level 1 Details in Wavelet Decomposition of  ... 

Nonstructural Partitions and Floor Vibration Serviceability

A. Devin, P. J. Fanning, A. Pavic
2016 Journal of Architectural Engineering  
Non-structural vertical partitions and cladding can have a significant effect on the vibration serviceability of floor systems.  ...  A typical modern office building, consisting of steel-concrete composite floor systems, was created to investigate the potential beneficial effects of integrating non-structural partitions into structural  ...  The resulting percentage transient levels for the cladding panels and internal partitions are plotted versus time in Fig. 17 and 18, respectively.  ... 
doi:10.1061/(asce)ae.1943-5568.0000171 fatcat:l666txevfjdxrgfcrf6e6vkbuu
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