ORIGINAL_ARTICLE
Buckling Analysis of a Micro Composite Plate with Nano Coating Based on the Modified Couple Stress Theory
The present study investigates the buckling of a thick sandwich plate under the biaxial non-uniform compression using the modified couple stress theory with various boundary conditions. For this purpose, the top and bottom faces are orthotropic graphene sheets and for the central core the isotropic soft materials are investigated. The simplified first order shear deformation theory (S-FSDT) is employed and the governing differential equations are obtained using the Hamilton’s principle by considering the Von-Karman’s nonlinear strains. An analytical approach is applied to obtain exact results with different boundary conditions. Due to the fact that there is no research on the stability of micro/nano sandwich plates based on S-FSDT including the couple stress effect, the obtained results are compared with the FSDT studies which use the Eringen nonlocal elasticity.
http://jacm.scu.ac.ir/article_12863_20b7153b071fc8461a6fdda5c61f7939.pdf
2018-01-01T11:23:20
2019-01-17T11:23:20
1
15
10.22055/jacm.2017.21820.1117
Thick sandwich plate
Modified couple stress theory
S-FSDT
Mohammad
Malikan
mohammad.malikan@yahoo.com
true
1
Department of Mechanical Engineering, Faculty of Engineering, Islamic Azad University, Mashhad, Iran
Department of Mechanical Engineering, Faculty of Engineering, Islamic Azad University, Mashhad, Iran
Department of Mechanical Engineering, Faculty of Engineering, Islamic Azad University, Mashhad, Iran
LEAD_AUTHOR
[1] Ovid’ko, I.A., Mechanical properties of graphene, Review on Advanced Materials Science, 34, 2013, pp. 1-11.
1
[2] Walker, L.S., Marotto, V.R., Rafiee, M.A., Koretkar, N., Corral, E.L., Toughening in graphene ceramic composites, ACS Nano, 5, 2011, pp. 3182-90.
2
[3] Kvetkova, L., Duszova, A., Hvizdos, P., Dusza, J., Kun, P., Balazsi, C., Fracture toughness and toughening mechanisms in graphene platelet reinforced Si 3 N 4 composites, Scripta Materialia, 66, 2012, pp. 793-796.
3
[4] Liang, J., Huang, Y., Zhang, L., Wang, Y., Ma, Y., Guo, T., Chen, Y., Molecular‐level dispersion of graphene into poly (vinyl alcohol) and effective reinforcement of their nanocomposites, Advanced Functional Materials, 19, 2009, pp. 2297-2302.
4
[5] Rafiee, M.A., Rafiee, J., Srivastana, I., Wang, Z., Song, H., Yu, Z-Z., Koratkar, N., Fracture and fatigue in graphene Nano composites, Small, 6, 2010, pp. 179-83.
5
[6] Plantema, F.J., Sandwich Construction: The Bending and Buckling of Sandwich Beams, Plates, and Shells, Jon Wiley and Sons, New York, 1966.
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[7] Kraus, G., Interactions of Elastomers and Reinforcing Fillers, Rubber Chemistry and Technology, 38, 1965, pp. 1070-1114.
7
[8] Malekzadeh, P., Setoodeh, A.R., Beni, A.A., Small scale effect on the thermal buckling of orthotropic arbitrary straight-sided quadrilateral nanoplates embedded in an elastic medium, Composite Structures, 93, 2011, pp. 2083–2089.
8
[9] Zenkour, A.M., Sobhy, M., Nonlocal elasticity theory for thermal buckling of nanoplates lying on Winkler–Pasternak elastic substrate medium, Physica E, 53, 2013, pp. 251–259.
9
[10] Murmu, T., Sienz, J., Adhikari, S., Arnold, C., Nonlocal buckling of double-nanoplate-systems under biaxial compression, Composites: Part B, 44, 2013, pp. 84–94.
10
[11] Wang, Y-Z., Cui, H-T., Li, F-M., Kishimoto, K., Thermal buckling of a nanoplate with small-scale effects, Acta Mechanica, 224, 2013, pp. 1299–1307.
11
[12] Malekzadeh, P., Alibeygi, A., Thermal Buckling Analysis of Orthotropic Nanoplates on Nonlinear Elastic Foundation, Encyclopedia of Thermal Stresses, 2014, pp. 4862-4872.
12
[13] Mohammadi, M., Farajpour, A., Moradi, A., Ghayour, M., Shear buckling of orthotropic rectangular graphene sheet embedded in an elastic medium in thermal environment, Composites: Part B, 56, 2014, pp. 629–637.
13
[14] Radic, N., Jeremic, D., Trifkovic, S., Milutinovic, M., Buckling analysis of double-orthotropic nanoplates embedded in Pasternak elastic medium using nonlocal elasticity theory, Composites: Part B, 61, 2014, pp. 162–171.
14
[15] Karlicic, D., Adhikari, S., Murmu, T., Exact closed-form solution for non-local vibration and biaxial buckling of bonded multi-nanoplate system, Composites: Part B, 66, 2014, pp. 328-339.
15
[16] Anjomshoa, A., Shahidi, A.R., Hassani, B., Jomehzadeh, E., Finite Element Buckling Analysis of Multi-Layered Graphene Sheets on Elastic Substrate Based on Nonlocal Elasticity Theory, Applied Mathematical Modelling, 38, 2014, pp. 1-22.
16
[17] Radebe, I.S., Adali, S., Buckling and sensitivity analysis of nonlocal orthotropic nanoplates with uncertain material properties, Composites: Part B, 56, 2014, pp. 840–846.
17
[18] Nguyen, T.K., Vo, T. P., Nguyen, B.D., Lee, J., An analytical solution for buckling and vibration analysis of functionally graded sandwich beams using a quasi-3D shear deformation theory, Composite Structures, 156, 2015, pp. 238-252.
18
[19] Golmakani, M.E., Rezatalab, J., Non uniform biaxial buckling of orthotropic Nano plates embedded in an elastic medium based on nonlocal Mindlin plate theory, Composite Structures, 119, 2015, pp. 238-250.
19
[20] Jamali, M., Shojaee, T., Mohammadi, B., Uniaxial buckling analysis comparison of nanoplate and nanocomposite plate with central square cut out using domain decomposition method, Journal of Applied and Computational Mechanics, 2, 2016, pp. 230-242.
20
[21] Radic, N., Jeremić, D., Thermal buckling of double-layered graphene sheets embedded in an elastic medium with various boundary conditions using a nonlocal new first-order shear deformation theory, Composites: Part B, 97, 2016, pp. 201-215.
21
[22] Zarei, M. Sh., Hajmohammad, M. H., Nouri, A., Dynamic buckling of embedded laminated nanocomposite plates based on sinusoidal shear deformation theory, Journal of Applied and Computational Mechanics, 2, 2016, pp. 254-261.
22
[23] Malikan, M., Jabbarzadeh, M., Dastjerdi, Sh., Non-linear Static stability of bi-layer carbon nanosheets resting on an elastic matrix under various types of in-plane shearing loads in thermo-elasticity using nonlocal continuum, Microsystem Technologies, 23(7), 2017, pp. 2973-2991.
23
[24] Mindlin, R.D., Influence of Rotatory Inertia and Shear on Flexural Motions of Isotropic, Elastic Plates, Journal of Applied Mechanics, 73, 1951, pp. 31–38.
24
[25] Thai, H-T., Choi, D-H., A simple first-order shear deformation theory for laminated composite plates, Composite Structures, 106, 2013, pp. 754-763.
25
[26] Mindlin, R.D., Tiersten, H.F., Effects of couple-stresses in linear elasticity, Archive for Rational Mechanics and Analysis, 11, 1962, pp. 415–48.
26
[27] Toupin, R.A., Elastic materials with couple stresses, Archive for Rational Mechanics and Analysis, 11, 1962, pp. 385-414.
27
[28] Koiter, W. T., Couple stresses in the theory of elasticity, I and II. Proc K Ned Akad Wet (B), 67, 1964, pp. 17-44.
28
[29] Cosserat, E., Cosserat, F., Theory of deformable bodies, Scientific Library, 6. Paris: A. Herman and Sons, Sorbonne, 6, 1909.
29
[30] Yang, F., Chong, A.C.M., Lam, D.C.C., Tong, P., Couple stress based strain gradient theory for elasticity, International Journal of Solids and Structures, 39, 2002, pp. 2731–43.
30
[31] Akgöz, B., Civalek, O., Free vibration analysis for single-layered graphene sheets in an elastic matrix via modified couple stress theory, Materials and Design, 42, 2012, pp. 164–171.
31
[32] Malikan, M., Electro-mechanical shear buckling of piezoelectric nanoplate using modified couple stress theory based on simplified first order shear deformation theory, Applied Mathematical Modeling, 48, 2017, pp. 196–207.
32
[33] Malikan, M., Analytical prediction for buckling of nanoplate subjected to nonuniform compression based on four-variable plate theory, Journal of Applied and Computational Mechanics, 3(3), 2017, pp. 218-228.
33
[34] Thai, H-T., Thuc, P. Vo, Nguyen, T-K., Lee, J., Size-dependent behavior of functionally graded sandwich microbeams based on the modified couple stress theory, Composite Structures, 123, 2015, pp. 337–349.
34
[35] Dey, T., Ramachandra, L.S., Buckling and postbuckling response of sandwich panels under non-uniform mechanical edge loadings, Composites: Part B, 60, 2014, pp. 537–545.
35
[36] Leissa, A.W., Kang, Jae-Hoon, Exact solutions for vibration and buckling of an SS-C-SS-C rectangular plate loaded by linearly varying in-plane stresses, International Journal of Mechanical Sciences, 44, 2002, pp. 1925–1945.
36
[37] Hwang, I., Seh Lee, J., Buckling of Orthotropic Plates under Various Inplane Loads, KSCE Journal of Civil Engineering, 10, 2006, pp. 349–356.
37
[38] Golmakani, M.E., Sadraee Far, M.N., Buckling analysis of biaxially compressed double‑layered graphene sheets with various boundary conditions based on nonlocal elasticity theory, Microsystem Technologies, 23, 2017, pp. 2145-2161.
38
[39] Ansari, R., Sahmani, S., Prediction of biaxial buckling behavior of single-layered graphene sheets based on nonlocal plate models and molecular dynamics simulations, Applied Mathematical Modeling, 37, 2013, pp. 7338–7351.
39
ORIGINAL_ARTICLE
Ritz Method Application to Bending, Buckling and Vibration Analyses of Timoshenko Beams via Nonlocal Elasticity
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 along them. To find the equilibrium equations of bending, buckling, and vibration of these structures, an analytical procedure is followed. In order to verify the proposed formulation, the results for the nonlocal Timoshenko beams with four classical boundary conditions are computed and compared wherever possible. Since the Ritz technique can efficiently model the nano-sized structures with arbitrary boundary conditions, two types of beams with general boundary conditions are selected, and new results are obtained.
http://jacm.scu.ac.ir/article_13028_bdecf2e7b1263837edc8d4512626d7d3.pdf
2018-01-01T11:23:20
2019-01-17T11:23:20
16
26
10.22055/jacm.2017.21915.1120
Ritz method
Weak Form
Bending
Buckling
Vibration
Nonlocal Timoshenko beam
Seyyed Amir Mahdi
Ghannadpour
a_ghannadpour@sbu.ac.ir
true
1
Aerospace department, Faculty of New Technology and Engineering, Shahid Beheshti University, Tehran, Iran
Aerospace department, Faculty of New Technology and Engineering, Shahid Beheshti University, Tehran, Iran
Aerospace department, Faculty of New Technology and Engineering, Shahid Beheshti University, Tehran, Iran
LEAD_AUTHOR
[1] Wang, C.M., Zhang, Y.Y., Ramesh, S.S., Kitipornchai, S., Buckling analysis of micro- and nano-rods/tubes based on nonlocal Timoshenko beam theory, Journal of Physics D: Applied Physics, 39, 2006, pp. 3904-3909.
1
[2] Wang, C.M., Kitipornchai, S., Lim, C.W., Eisenberger, M., Beam bending solutions based on nonlocal Timoshenko beam theory, Journal of Engineering Mechanics, 134, 2008, pp. 475-481.
2
[3] Ghannadpour, S.A.M., Mohammadi, B., Buckling analysis of micro- and nano-rods/tubes based on nonlocal Timoshenko beam theory using Chebyshev polynomials, Advanced Materials Research, 123-125, 2010, pp. 619-622.
3
[4] Ghannadpour, S.A.M., Mohammadi, B., Vibration of Nonlocal Euler Beams Using Chebyshev Polynomials, Key Engineering Materials, 471, 2011, pp. 1016-1021.
4
[5] Salamat, D., Sedighi, H.M., The effect of small scale on the vibrational behavior of single-walled carbon nanotubes with a moving nanoparticle, Journal of Applied and Computational Mechanics, 3(3), 2017, pp. 208-217.
5
[6] Shen, H-S., Nonlocal plate model for nonlinear analysis of thin films on elastic foundations in thermal environments, Composite Structures, 93, 2011, pp. 1143-1152.
6
[7] Duan, W.H., Wang, C.M., Exact solutions for axisymmetric bending of micro/nanoscale circular plates based on nonlocal plate theory, Nanotechnology, 18, 2007, pp. 385704.
7
[8] Wang, Q., Wang, C.M., The constitutive relation and small scale parameter of nonlocal continuum mechanics for modelling carbon nanotubes, Nanotechnology, 18, 2007, pp. 075702.
8
[9] Eringen, A.C., Suhubi, E.S., Nonlinear theory of simple micro-elastic solids-I, International Journal of Engineering Science, 2, 1964, pp. 189-203.
9
[10] Chen, Y., Lee, J.D., Eskandarian, A., Atomistic viewpoint of the applicability of microcontinuum theories, International Journal of Solids and Structures, 41, 2004, pp. 2085-2097.
10
[11] Toupin, R.A., Elastic materials with couple-stresses, Archive for Rational Mechanics and Analysis, 11, 1962, pp. 385-414.
11
[12] Eringen, A.C., On differential equations of nonlocal elasticity and solutions of screw dislocation and surface waves, Journal of Applied Physics, 54, 1983, pp. 4703.
12
[13] Hu, Y., Liew, K.M., Wang, Q., He, X.Q., Yakobson, B.I., Nonlocal shell model for flexural wave propagation in double-walled carbon nanotubes, Journal of the Mechanics and Physics of Solids, 56, 2008, pp. 3475- 3485.
13
[14] Peddieson, J., Buchanan, G.R., McNitt, R.P., Application of nonlocal continuum models to nanotechnology, International Journal of Engineering Science, 41, 2003, pp. 305-312.
14
[15] Polizzotto, C., Nonlocal elasticiy and related variational principles, International Journal of Solids and Structures, 38, 2001, pp. 7359-7380.
15
[16] Challamel, N., Wang, C.M., The small length scale effect for a non-local cantilever beam: a paradox solved, Nanotechnology, 19, 2008, pp. 345703.
16
[17] Wang, C.M., Zhang, Y.Y., He, X.Q., Vibration of nonlocal Timoshenko beams, Nanotechnology, 18, 2007, pp. 105401.
17
[18] Wang, Q., Wave propagation in carbon nanotubes via nonlocal continuum mechanics, Journal of Applied Physics, 98, 2005, pp. 124301.
18
[19] Murmu, T., Pradhan, S.C., Thermal Effects on the Stability of Embedded Carbon Nanotubes, Computational Materials Science, 47, 2010, pp. 721-726.
19
[20] Pradhan, S.C., Phadikar, J.K., Bending, buckling and vibration analyses of nonhomogeneous nanotubes using GDQ and nonlocal elasticity theory, Structural Engineering and Mechanics, 33, 2009, pp. 193-213.
20
[21] Pradhan, S.C., Phadikar, J.K., Small Scale Effect on Vibration of Embedded Multilayered Graphene Sheets Based on Nonlocal Continuum Models, Physics Letters A, 373, 2009, pp. 1062-1069.
21
[22] Pradhan, S.C., Phadikar, J.K., Nonlocal Elasticity Theory for Vibration of Nanoplates, Journal of Sound and Vibration, 325, 2009, pp. 206-223.
22
[23] Pradhan, S.C., Murmu, T., Small Scale Effect on the Buckling of Single-Layered Graphene Sheets under Bi-axial Compression via Nonlocal Continuum Mechanics, Computational Materials Science, 47, 2009, pp. 268-274.
23
[24] Murmu, T., Pradhan, S.C., Vibration Analysis of Nanoplates under Uniaxial Prestressed Conditions via Nonlocal Elasticity, Journal of Applied Physics, 106, 2009, pp. 104301.
24
[25] Aghababaei, R., Reddy, J.N., Nonlocal third-order shear deformation plate theory with application to bending and vibration of plates, Journal of Sound and Vibration, 326, 2009, pp. 277-289.
25
[26] Phadikar, J.K., Pradhan, S.C., Variational formulation and finite element analysis for nonlocal elastic nanobeams and nanoplates, Computational Materials Science, 49(3), 2010, pp. 492-499.
26
[27] Ghannadpour, S.A.M., Mohammadi, B., Fazilati, J., Bending, buckling and vibration problems of nonlocal Euler beams using Ritz method, Composite Structures, 96, 2013, pp. 584-589
27
[28] Reddy, J.N., Energy principles and variational methods in applied mechanics, John Wiley, 2002.
28
ORIGINAL_ARTICLE
Quasi-Static Transient Thermal Stresses in an Elliptical Plate due to Sectional Heat Supply on the Curved Surfaces over the Upper Face
This paper is an attempt to determine quasi-static thermal stresses in a thin elliptical plate which is subjected to transient temperature on the top face with zero temperature on the lower face and the homogeneous boundary condition of the third kind on the fixed elliptical curved surface. The solution to conductivity equation is elucidated by employing a classical method. The solution of stress components is achieved by using Goodier’s and Airy’s potential function involving the Mathieu and modified functions and their derivatives. The obtained numerical results are accurate enough for practical purposes, better understanding of the underlying elliptic object, and better estimates of the thermal effect on the thermoelastic problem. The conclusions emphasize the importance of better understanding of the underlying elliptic structure, improved understanding of its relationship to circular object profile, and better estimates of the thermal effect on the thermoelastic problem.
http://jacm.scu.ac.ir/article_13045_a70d83020f02a283de59d236612fe21f.pdf
2018-01-01T11:23:20
2019-01-17T11:23:20
27
39
10.22055/jacm.2017.22068.1123
Elliptical plate
Temperature distribution
Thermal stresses
Mathieu function
Lalsingh
Khalsa
lalsinghkhalsa@yahoo.com
true
1
Department of Mathematics, M.G. College, Armori, Gadchiroli, India
Department of Mathematics, M.G. College, Armori, Gadchiroli, India
Department of Mathematics, M.G. College, Armori, Gadchiroli, India
AUTHOR
Ishaque
Khan
iakhan_get@rediffmail.com
true
2
Department of Mathematics, M.G. College, Armori, Gadchiroli, India
Department of Mathematics, M.G. College, Armori, Gadchiroli, India
Department of Mathematics, M.G. College, Armori, Gadchiroli, India
AUTHOR
Vinod
Varghese
vino7997@gmail.com
true
3
Department of Mathematics, S.S.R. Bharti Science College, Arni, India
Department of Mathematics, S.S.R. Bharti Science College, Arni, India
Department of Mathematics, S.S.R. Bharti Science College, Arni, India
LEAD_AUTHOR
[1] Gupta, R.K., A finite transform involving Mathieu functions and its application, Proc. Net. Inst. Sc., India, Part A, 30(6), 1964, pp. 779-795.
1
[2] El Dhaba, A.R., Ghaleb, A.F., Abou-Dina, M.S., A problem of plane, uncoupled linear thermoelasticity for an infinite, elliptical cylinder by a boundary integral method, Journal of Thermal Stresses, 26(2), 2003, pp. 93-121.
2
[3] Sato, K., Heat conduction in an infinite elliptical cylinder during heating or cooling, Proceedings of the 55th Japan National Congress on Theoretical and Applied Mechanics, 55, 2006, pp. 157-158.
3
[4] Helsing, J., Integral equation methods for elliptic problems with boundary conditions of mixed type, Journal of Computational Physics, 228(23), 2009, pp. 8892-8907.
4
[5] Dang, Q.A., Mai, X.T., Iterative method for solving a problem with mixed boundary conditions for biharmonic equation arising in fracture mechanics, Boletim da Sociedade Paranaense de Matemática, 31(1), 2013, pp. 65–78.
5
[6] Al Duhaim, H.R., Zaman, F.D., Nuruddeen, R.I., Thermal stress in a half-space with mixed boundary conditions due to time dependent heat source, IOSR Journal of Mathematics, 11(6), 2015, pp. 19-25.
6
[7] Parnell, W.J., Nguyen, V.-H., Assier, R., Naili, S., Abrahams, I.D., Transient thermal mixed boundary value problems in the half-space, SIAM Journal on Applied Mathematics, 76(3), 2016, pp. 845–866.
7
[8] Nuruddeen, R.I., Zaman, F.D., Temperature distribution in a circular cylinder with general mixed boundary conditions, Journal of Multidisciplinary Engineering Science and Technology, 3(1), 2016, pp. 3653-3658.
8
[9] Bhad, P.P., Varghese, V., Khalsa, L.H., Heat source problem of thermoelasticity in an elliptic plate with thermal bending moments, Journal of Thermal Stresses, 40(1), 2016, pp. 96-107.
9
[10] Bhad, P.P., Varghese, V., Khalsa, L.H., Thermoelastic-induced vibrations on an elliptical disk with internal heat sources, Journal of Thermal Stresses, 40(4), 2016, pp. 502-516.
10
[11] Ventsel, E., Krauthammer, T., Thin Plates and Shells: Theory, Analysis, and Applications, Marcel Dekker, New York, 2001.
11
[12] McLachlan, N.W., Theory and Application of Mathieu function, Clarendon Press, Oxford, 1947.
12
[13] Bhad, P.P., Varghese, V., Thermoelastic analysis on a circular plate subjected to annular heat supply, Global Journal for Research Analysis, 3(4), 2014, pp. 141-145.
13
ORIGINAL_ARTICLE
Buckling and Vibration Analysis of Tapered Circular Nano Plate
In this paper, buckling and free vibration analysis of a circular tapered nanoplate subjected to in-plane forces were studied. The linear variation of the plate thickness was considered in radial direction. Nonlocal elasticity theory was employed to capture size-dependent effects. The Raleigh-Ritz method and differential transform method were utilized to obtain the frequency equations for simply supported and clamped boundary conditions. To verify the accuracy of the Ritz method, the differential transform method (DTM) was also used to drive the size-dependent natural frequencies of circular nanoplates. Both methods reported good results. The validity of solutions was performed by comparing the present results with those of the literature for both classical plate and nanoplate. The effects of nonlocal parameter, mode number, and taper parameter on the natural frequency were investigated. The results showed that increasing the taper parameter causes increasing of buckling load and natural frequencies, and its effects on the clamped boundary condition is more than the simply support.
http://jacm.scu.ac.ir/article_13035_9db9f7f31d2713eab840cf6dd1f87e38.pdf
2018-01-01T11:23:20
2019-01-17T11:23:20
40
54
10.22055/jacm.2017.22176.1127
nonlocal theory
axisymmetric vibration analysis
variable thickness plate
Ritz method
Differential Transform method
Mehdi
Zarei
mehdi.zarei@modares.ac.ir
true
1
Tarbiat Modares University
Tarbiat Modares University
Tarbiat Modares University
LEAD_AUTHOR
Gholamreza
Faghani
g.r.faghani@stud.nit.ac.ir
true
2
Department of Mechanical Engineering, Khatam Al Anbia Air Defense University,
Tehran, Iran
Department of Mechanical Engineering, Khatam Al Anbia Air Defense University,
Tehran, Iran
Department of Mechanical Engineering, Khatam Al Anbia Air Defense University,
Tehran, Iran
AUTHOR
Mehran
Ghalami
m.ghalami.c@gmail.com
true
3
Tarbiat Modares University
Tarbiat Modares University
Tarbiat Modares University
AUTHOR
Gholam Hossien
Rahimi
rahimi_gh@modares.ac.ir
true
4
Tarbiat Modares University
Tarbiat Modares University
Tarbiat Modares University
AUTHOR
[1] Sari, M.S., Al-Kouz, W.G., Vibration analysis of non-uniform orthotropic Kirchhoff plates resting on elastic foundation based on nonlocal elasticity theory, International Journal of Mechanical Sciences, 114, 2016, pp. 1–11.
1
[2] Sakhaee-Pour, A., Ahmadian, M.T., Vafai, A., Applications of single-layered graphene sheets as mass sensors and atomistic dust detectors, Solid State Communications, 145, 2008, pp. 168–172.
2
[3] Arash, B., Wang, Q., A review on the application of nonlocal elastic models in modeling of carbon nanotubes and graphenes, Computational Materials Science, 51, 2012, pp. 303-313.
3
[4] Murmu, T., Pradhan, S.C., Vibration analysis of nano-single-layered graphene sheets embedded in elastic medium based on nonlocal elasticity theory, Journal of Applied Physics, 105, 2009, pp. 64319.
4
[5] Arash, B., Wang, Q., A Review on the Application of Nonlocal Elastic Models in Modeling of Carbon Nanotubes and Graphenes, Modeling of Carbon Nanotubes, Graphene and their Composites, Springer International Publishing, 2014, pp. 57–82.
5
[6] Mindlin, R.D., Eshel, N.N., On first strain-gradient theories in linear elasticity, International Journal of Solids and Structures, 4, 1968, pp. 109-124.
6
[7] Mindlin, R.D., Second gradient of strain and surface-tension in linear elasticity, International Journal of Solids and Structures, 1, 1965, pp. 417–438.
7
[8] Lam, D.C.C., Yang, F., Chong, A.C.M., Wang, J., Tong, P., Experiments and theory in strain gradient elasticity, Journal of the Mechanics and Physics of Solids, 51, 2003, pp. 1477–1508.
8
[9] Ramezani, S., A micro scale geometrically non-linear Timoshenko beam model based on strain gradient elasticity theory, International Journal of Non-Linear Mechanics, 47, 2012, pp. 863–873.
9
[10] Alibeigloo, A., Free vibration analysis of nano-plate using three-dimensional theory of elasticity, Acta Mechanica, 222, 2011, pp. 149-159.
10
[11] Şimşek, M., Dynamic analysis of an embedded microbeam carrying a moving microparticle based on the modified couple stress theory, International Journal of Engineering Science, 48, 2010, pp. 1721–1732.
11
[12] Sahmani, S., Ansari, R., Gholami, R., Darvizeh, A., Dynamic stability analysis of functionally graded higher-order shear deformable microshells based on the modified couple stress elasticity theory, Composites Part B, 51, 2013, pp. 44-53.
12
[13] Toupin, R.A., Theories of elasticity with couple-stress, Archive for Rational Mechanics and Analysis, 17(2), 1964, pp. 85–112.
13
[14] Yang, F., Chong, A.C.M., Lam, D.C.C., Tong, P., Couple stress based strain gradient theory for elasticity, International Journal of Solids and Structures, 39, 2002, pp. 2731–2743.
14
[15] Eringen, A.C., On differential equations of nonlocal elasticity and solutions of screw dislocation and surface waves, Journal of Applied Physics, 54, 1983, pp. 4703–4710.
15
[16] Peddieson, J., Buchanan, G.R., McNitt, R.P., Application of nonlocal continuum models to nanotechnology, International Journal of Engineering Science, 41, 2003, pp. 305–312.
16
[17] Lu, P., Lee, H.P., Lu, C., Zhang, P.Q., Application of nonlocal beam models for carbon nanotubes, International Journal of Solids and Structures, 44, 2007, pp. 5289–5300.
17
[18] Rahmani, O., Pedram, O., Analysis and modeling the size effect on vibration of functionally graded nanobeams based on nonlocal Timoshenko beam theory, International Journal of Engineering Science, 77, 2014, pp. 55–70.
18
[19] Şimşek, M., Nonlinear free vibration of a functionally graded nanobeam using nonlocal strain gradient theory and a novel Hamiltonian approach, International Journal of Engineering Science, 105, 2016, pp. 12–27.
19
[20] Hosseini-Hashemi, S., Bedroud, M., Nazemnezhad, R., An exact analytical solution for free vibration of functionally graded circular/annular Mindlin nanoplates via nonlocal elasticity, Composite Structures, 103, 2013, pp. 108–118.
20
[21] Belkorissat, I., Houari, MSA., Tounsi, A., Bedia, E.A.A., Mahmoud, S.R., On vibration properties of functionally graded nano-plate using a new nonlocal refined four variable model, Steel and Composite Structures, 18, 2015, pp. 1063–1081.
21
[22] Şimşek, M., Yurtcu, H.H., Analytical solutions for bending and buckling of functionally graded nanobeams based on the nonlocal Timoshenko beam theory, Composite Structures, 97, 2013, pp. 378–386.
22
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43
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44
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45
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82
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95
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96
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97
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98
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99
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101
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102
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103
[48] Liu, C., Ke, L.L., Wang, Y.S., Yang, J., Kitipornchai, S., Buckling and post-buckling analyses of size-dependent piezoelectric nanoplates, Theoretical and Applied Mechanics Letters, 6(6), 2016, pp. 253-267.
104
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105
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106
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107
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109
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112
ORIGINAL_ARTICLE
Reducing Retrieval Time in Automated Storage and Retrieval System with a Gravitational Conveyor Based on Multi-Agent Systems
The main objective of this study is to reduce the retrieval time of a list of products by choosing the best combination of storage and retrieval rules at any time. This is why we start by implementing some storage rules in an Automated Storage/Retrieval System (Automated Storage and Retrieval System: AS/RS) fitted with a gravity conveyor while some of these rules are dedicated to storage and others to retrieval. The system is seen as a Multi-Agent System (MAS) where the produced agents are reactive agents that can interact to achieve a behavior (organizing the store). Our MAS is characterized by a decentralized control, which means that there is no preset plan. The produced agents exchange information such as their color, their distance from the output station, etc. Each product merely applies a set of behavioral rules. The aim is to choose the best product to be retrieved in the shortest possible time. The product-type agents have no cognitive ability, but still perform complex tasks.
http://jacm.scu.ac.ir/article_13038_f64c72a8986b4daf437dadda2f25c733.pdf
2018-01-01T11:23:20
2019-01-17T11:23:20
55
68
10.22055/jacm.2017.22183.1131
AS/RS fitted with gravity conveyor
storage / retrieval
combination of rules
MAS
retrieval time
Imén
Kouloughli
kouloughli_imen@hotmail.com
true
1
Manufacturing Engineering Laboratory of Tlemcen, University of Tlemcen, Algeria.
Manufacturing Engineering Laboratory of Tlemcen, University of Tlemcen, Algeria.
Manufacturing Engineering Laboratory of Tlemcen, University of Tlemcen, Algeria.
LEAD_AUTHOR
Pierre
Castagna
true
2
LUNAM University, QLIO Department, University of Nantes 44000, France.
LUNAM University, QLIO Department, University of Nantes 44000, France.
LUNAM University, QLIO Department, University of Nantes 44000, France.
AUTHOR
Zaki
Sari
true
3
LUNAM University, QLIO Department, University of Nantes 44000, France.
LUNAM University, QLIO Department, University of Nantes 44000, France.
LUNAM University, QLIO Department, University of Nantes 44000, France.
AUTHOR
[1] Material Handling Institute, Considerations for planning and installing an automated storage/retrieval systems, Material Handling Institute, 1977.
1
[2] Roodbergen, K.J., Vis, I.F. A survey of literature on automated storage and retrieval systems, European Journal of Operational Research, 194(2), 2009, pp. 343-362.
2
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3
[4] Azzouz, A., Optimisation des dimensions d’un AS/RS à convoyeur gravitationnel pour un temps de cycle minimum, Doctoral Dissertation, Thèse de magister, Université de Tlemcen Algérie, 2001.
4
[5] Azzouz, A., Sari, Z., Ghouali, N., Une synthèse sur l’optimisation des dimensions d’un AS/RS à convoyeur gravitationnel, Conférence Internationale sur la conception et la production intégrée, October 2001, pp. 24-26.
5
[6] Gaouar, N., Amélioration des performances d’un AS/RS à convoyeur gravitationnel, Doctoral Dissertation, Thèse de magister, Université de Tlemcen Algérie, 2001.
6
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[18] Kouloughli, I., Castagna, P., Sari, Z., Development of a Multi-Agent System (MAS) to optimize the retrieval time within an automated storage/retrieval system, Electrotehnica, Electronica, Automatica, 64(3), 2016, pp. 115.
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ORIGINAL_ARTICLE
Experimental Investigation on Radial Ball Bearing Parameters Using Taguchi Method
In this work, characteristics of various ball bearing parameters are studied under different loads and rotational speeds. By using Dimensional Analysis (DA), dimensionless parameters are computed which provides solution for a group of parameters. This analysis can be accomplished by using the Buckingham π-theorem. DA leads to reduction of the number of independent parameters involved in a problem. These independent parameters get expressed as dimensionless groups. These dimensionless groups are always ratios of important physical quantities involved in the problem of interest. In modeling and experimentation, its main function is to reduce the amount of independent variables, simplify the solution, and generalize the results. It becomes an effective method, especially if a complete mathematical model of the investigated process is not known. Moreover, in the present work the Buckingham π-theorem is applied to find the influencing parameter π5 by using the Taguchi method.
http://jacm.scu.ac.ir/article_12993_e74e1871e4f534ffd41922932db79e55.pdf
2018-01-01T11:23:20
2019-01-17T11:23:20
69
74
10.22055/jacm.2017.22072.1124
Ball bearing
Dimensional analysis (DA)
Buckingham π-theorem
Taguchi Method
ANOVA
G.
Maheedhara Reddy
mahee.8029@gmail.com
true
1
Mechanical Engineering, Assistant professor, NBKR institute of science and Technology, Nellore, India
Mechanical Engineering, Assistant professor, NBKR institute of science and Technology, Nellore, India
Mechanical Engineering, Assistant professor, NBKR institute of science and Technology, Nellore, India
LEAD_AUTHOR
V.
Diwakar Reddy
vdrsvuce@gmail.com
true
2
MECHANICAL ENGINEERING,PROFESSOR,S V UNIVERSITY
MECHANICAL ENGINEERING,PROFESSOR,S V UNIVERSITY
MECHANICAL ENGINEERING,PROFESSOR,S V UNIVERSITY
AUTHOR
B.
Satheesh Kumar
satheeshkumar76svu@gmail.com
true
3
MECHANICAL ENGINEERING,ASSOCIATE PROFESSOR,NBKRIST,NELLORE
MECHANICAL ENGINEERING,ASSOCIATE PROFESSOR,NBKRIST,NELLORE
MECHANICAL ENGINEERING,ASSOCIATE PROFESSOR,NBKRIST,NELLORE
AUTHOR
J.
Shyamsunder
shyamv4u@gmail.com
true
4
Department of Mechanical Engineering, CMR College of Engineering and Technology
Kandlakoya, Hyderabad, 501401
India
Department of Mechanical Engineering, CMR College of Engineering and Technology
Kandlakoya, Hyderabad, 501401
India
Department of Mechanical Engineering, CMR College of Engineering and Technology
Kandlakoya, Hyderabad, 501401
India
AUTHOR
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