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Editors-in-Chief
    Prof. Chang-Koon Choi
    Dept. of Civil and Environmental Eng.
    Korea Advanced Inst. of Sci. & Tech.
    Daejeon 305-701, Korea


    Prof. Adnan Ibrahimbegovic
    Univ. Technologie Compiegne / Sorbonne Universites
    Laboratoire Roberval de Mecanique
    Centre de Recherche Royallieu
    60200 Compiegne, France

ISSN: 2234-2184(Print), 2234-2192(Online)
Vol 4(4 issues) for 2015, Quarterly
Aims and Scope

Coupled Systems Mechanics (CSM), an International Journal, aims at opening a new access to the valuable source of information and providing an excellent publication channel for the global community of Coupled Systems Mechanics. The areas covered by CSM journal include the current advances in Interactions (or Coupled Mechanics) of

* Fluid-Structures,
* Soil-Structure,
* Wind-Structure,
* Soil-Foundation-Pile-Structures,
* Vehicle-Bridge, and
* Train-Rail.
Editorial Board
 
Prof. BS Altan
Bayburt University
Bayburt 69000, Turkey


Prof. B Asgarian
K. N. Toosi University of Technology
Tehran 19697, Iran


Dr. W Bai
National University of Singapore
117576, Singapore


Prof. H Bijl
Delft University of Technology
HS Delft 2629, The Netherlands


Dr. JE Borovsky
Los Alamos National Laboratory
Los Alamos, NM 87545, USA


Prof. D Brancherie
UTC Compiegne
Compiegne cedex 60205, France


Prof. B Brank
Ljubljana University
Center 12, Slovenija


Prof. EH van Brummelen
Eindhoven University of Technology
Eindhoven MB 5600, The Netherlands


Prof. S Canic
University of Houston
Houston, TX 77204-3476, USA


Dr. S Chakraverty
National Institute of Technology
Rourkela 769 008, India


Prof. N Chouw
The University of Auckland
Auckland 1142, New Zealand


Dr. J Degroote
Ghent University
Ghent 9000, Belgium


Prof. Dieter Dinkler
TU Braunschweig
38106 Braunschweig, Germany


Prof. Edwin Ikenna Ekwue
The University of the West Indies
St. Augustine , Trinidad


Prof. G Exadaktylos
Technical University of Crete
Chania 73100, Hellas (Greece)

Prof. B Jeremic
University of California- Davis
Davis, CA 95616, USA


Prof. L Jun
Wuhan University of Technology
Wuhan 430063, China


Prof. HJ Jung
Korean Advanced Inst. of Sci. & Tech.
Daejeon 305-701, South Korea


Prof. MO Kaya
Istanbul Technical University
Istanbul 80626, Turkey


Prof. I Kozar
Rijeka University
Rijeka 51000, Croatia


Prof. G Leoni
University of Camerino
Camerino 62032, Italy


Prof. QS Li
City University of Hong Kong
Kowloon, Hong Kong


Prof. WA Wall
Technical University of Munich
M?nchen, D-85748, Germany


Prof. WQ Wang
Kunming Univ. of Sci. and Tech.
Kunming 650051, China


Dr. J Yang
RMIT University
Melbourne 3083, Australia


Prof. LX Zhang
Kunming Univ. of Sci. and Tech.
Kunming 650051, China


Prof. X Zhang
Tsinghua University
Beijing 100084, China


Prof. C Zhao
Central South University
Changsha 410083, China


Prof. N Hur
Sogang University
Seoul 121-742, South Korea


Prof. A Valencia
University of Chile
Santiago 2777, Chile

Prof. SS Lin
National Taiwan Ocean Univ.
Keelung 20224, Taiwan


Prof. B Markert
RWTH University
Aachen 52062, Germany


Prof. H Matthies
Inst. of Sci. Comp. (TU-BS)
Braunschweig 38106, Germany


Prof. G McClure
McGill University
Montreal, H3A 0C3, Canada


Prof. A Moosaie
Yasouj University
Yasouj 75914-353, Iran


Prof. CM Murea
Haute Alsace University
Mulhouse 68093, France


Dr. P Nair
Indian Space Research Org.
Thiruvananthapuram 695 022, India


Prof. D Peric
Swansea University
Swansea 8PP SA2, UK


Prof. FD Pin
Livermore Software Tech. Corp.
Livermore, CA 94551, USA


Prof. M Sato
Hokkaido University
Sapporo 060-8628, Japan


Prof. H Shima
University of Yamanashi
Yamanashi 400-8510, Japan


Prof. N Silvestre
Technical University of Lisbon
Lisbon 1049-001, Portugal


Prof. D Soares Jr.
Federal Univ. of Juiz de Fora
Juiz de Fora 36036-330, Brazil


Prof. Z Su
The Hong Kong Polytechnic Univ.
Hung Hom, Hong Kong


Prof. T Touhei
Tokyo University of Science
Noda City 278-8510, Japan

Guide to Authors

1. Submission of the paper
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References : A list of references which reflect the current state of technology in the field locates after conclusions of the paper. For details to prepare the list of references and cite them in the text, authors are advised to follow the introduction and the sample list in the Authors' Guide of the instruction.

3. Review
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5. Copyright
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7. Publication Fee
Except for open access articles, there is no page charge or article processing fee for submission and publication in this journal.

Sample issue
Volume 2, Number 1, March 2013
  • Pyroelectric and pyromagnetic effects on behavior of magneto-electro-elastic plate
    P. Kondaiah, K. Shankar and N. Ganesan
    Abstract; Full Text (1304K)

Abstract
Under thermal environment, Magneto-Electro-Elastic (MEE) material exhibits pyroelectric and pyromagnetic effects which can be used for enhancing the performance of MEE sensors. Recently studies have been published on material constants such as pyroelectric constant and pyromagnetic constant for magneto-electro-thermo-elastic smart composite. Hence, the main aim of this paper is to study the pyroelectric and pyromagnetic effects on behavior of MEE plate under different boundary conditions subjected to uniform temperature. A numerical study is carried out using eight noded brick finite element under uniform temperature rise of 100 K. The study focused on the pyroelectric and pyromagnetic effects on system parameters like displacements, thermal stresses, electric potential, magnetic potential, electric displacements and magnetic flux densities. It is found that, there is a significant increase in electric potential due to the pyroelectric and pyromagnetic effects. These effects are visible on electric and magnetic potentials when CFFC and FCFC boundary conditions are applied. Additionally, the pyroelectric and pyromagnetic effects at free edge is dominant (nearly thrice the value in CFFC in comparison with FCFC) than at middle of the plate. This study is a significant contribution to sensor applications.

Key Words
magneto-electro-elastic sensor; pyroelectric; pyromagnetic; finite element

Address
P. Kondaiah, K. Shankar and N. Ganesan : Machine Design Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India

  • Analytical model for estimation of digging forces and specific energy of cable shovel
    M. Stavropoulou , G. Xiroudakis and G. Exadaktylos
    Abstract; Full Text (1717K)

Abstract
An analytical algorithm for the estimation of the resistance forces exerted on the dipper of a cable shovel and the specific energy consumed in the cutting-loading process is presented. Forces due to payload and to cutting of geomaterials under given initial conditions, cutting trajectory of the bucket, bucket\' s design, and geomaterial properties are analytically computed. The excavation process has been modeled by means of a kinematical shovel model, as well as of dynamic payload and cutting resistance models. For the calculation of the cutting forces, a logsandwich passive failure mechanism of the geomaterial is considered, as has been found by considering that a slip surface propagates like a mixed mode crack. Subsequently, the Upper-Bound theorem of Limit Analysis Theory is applied for the approximate calculation of the maximum reacting forces exerted on the dipper of the cable shovel. This algorithm has been implemented into an Excel TM spreadsheet to facilitate user-friendly, \"transparent\" calculations and built-in data analysis techniques. Its use is demonstrated with a realistic application of a medium-sized shovel. It was found, among others, that the specific energy of cutting exhibits a size effect, such that it decreases as the (-1)-power of the cutting depth for the considered example application.

Key Words
ground-tool interaction;cable shovel; passive earth theory; limit analysis; fracture mechanics; cutting force; specific energy

Address
M. Stavropoulou : Department of Dynamic, Tectonic and Applied Geology, Faculty of Geology and Geoenvironment, University of Athens, GR-15784, Greece G. Xiroudakis and G. Exadaktylos : Mining Engineering Design Laboratory, Department of Mineral Resources Engineering, Technical University of Crete, GR-73100 Chania, Greece

  • Modeling and analysis of a cliff-mounted piezoelectric sea-wave energy absorption system
    G.A. Athanassoulis and K.I. Mamis
    Abstract; Full Text (1487K)

Abstract
Sea waves induce significant pressures on coastal surfaces, especially on rocky vertical cliffs or breakwater structures (Peregrine 2003). In the present work, this hydrodynamic pressure is considered as the excitation acting on a piezoelectric material sheet, installed on a vertical cliff, and connected to an external electric circuit (on land). The whole hydro/piezo/electric system is modeled in the context of linear wave theory. The piezoelectric elements are assumed to be small plates, possibly of stack configuration, under a specific wiring. They are connected with an external circuit, modeled by a complex impedance, as usually happens in preliminary studies (Liang and Liao 2011). The piezoelectric elements are subjected to thickness-mode vibrations under the influence of incident harmonic water waves. Full, kinematic and dynamic, coupling is implemented along the water-solid interface, using propagation and evanescent modes (Athanassoulis and Belibassakis 1999). For most energetically interesting conditions the long-wave theory is valid, making the effect of evanescent modes negligible, and permitting us to calculate a closed-form solution for the efficiency of the energy harvesting system. It is found that the efficiency is dependent on two dimensionless hydro/piezo/electric parameters, and may become significant (as high as 30 – 50%) for appropriate combinations of parameter values, which, however, corresponds to exotically flexible piezoelectric materials. The existence or the possibility of constructing such kind of materials formulates a question to material scientists.

Key Words
renewable energy; piezoelectricity; sea wave energy

Address
G.A. Athanassoulis and K.I. Mamis : School of Naval Architecture and Marine Engineering, NTUA, Zografos 15773, Greece

  • Strain-based seismic failure evaluation of coupled dam-reservoir-foundation system
    M.A. Hariri-Ardebili, H. Mirzabozorg and A. Ghasemi
    Abstract; Full Text (3041K)

Abstract
Generally, mass concrete structural behavior is governed by the strain components. However, relevant guidelines in dam engineering evaluate the structural behavior of concrete dams using stress-based criteria. In the present study, strain-based criteria are proposed for the first time in a professional manner and their applicability in seismic failure evaluation of an arch dam are investigated. Numerical model of the dam is provided using NSAD-DRI finite element code and the foundation is modeled to be massed using infinite elements at its far-end boundaries. The coupled dam-reservoir-foundation system is solved in Lagrangian-Eulerian domain using Newmark-B time integration method. Seismic performance of the dam is investigated using parameters such as the demand-capacity ratio, the cumulative inelastic duration and the extension of the overstressed/overstrained areas. Real crack profile of the dam based on the damage mechanics approach is compared with those obtained from stress-based and strain-based approaches. It is found that using stress-based criteria leads to conservative results for arch action while seismic safety evaluation using the proposed strain-based criteria leads to conservative cantilever action.

Key Words
dam-foundation interaction; massed foundation; strain-based criteria; damage mechanics; infinite elements

Address
M.A. Hariri-Ardebili : Department of Civil Environmental and Architectural Engineering, University of Colorado at Boulder, P.O. Box 80309-0428, Boulder, CO, USA H. Mirzabozorg and A. Ghasemi: 2Department of Civil Engineering, K. N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran

  • Nonlinear response of fixed jacket offshore platform under structural and wave loads
    Shehata E. Abdel Raheem
    Abstract; Full Text (6040K)

Abstract
The structural design requirements of an offshore platform subjected to wave induced forces and moments in the jacket can play a major role in the design of the offshore structures. For an economic and reliable design; good estimation of wave loadings are essential. A nonlinear response analysis of a fixed offshore platform under structural and wave loading is presented, the structure is discretized using the finite element method, wave plus current kinematics (velocity and acceleration fields) are generated using 5th order Stokes wave theory, the wave force acting on the member is calculated using Morison\'s equation. Hydrodynamic loading on horizontal and vertical tubular members and the dynamic response of fixed offshore structure together with the distribution of displacement, axial force and bending moment along the leg are investigated for regular and extreme conditions, where the structure should keep production capability in conditions of the 1-yr return period wave and must be able to survive the 100-yr return period storm conditions. The result of the study shows that the nonlinear response investigation is quite crucial for safe design and operation of offshore platform.

Key Words
finite elements; fixed offshore platform; nonlinear response; wave-structure interaction

Address
Shehata E. Abdel Raheem : Taibah University, Medina, Saudi Arabia, Civil Engineering Department, Faculty of Engineering, Assiut University, Egypt

Table of Contents
       
 
  • 2016  Volume 5      No. 1  
     
  • 2015  Volume 4      No. 1      No.2    No.3    No.4
     
  • 2014  Volume 3      No. 1      No.2    No.3    No.4
     
  • 2013  Volume 2      No. 1      No.2    No.3    No.4
     
  • 2012  Volume 1      No. 1      No.2    No.3    No.4
           
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