Academic literature on the topic 'Classical Laminated Plate Theory (CLPT)'

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Journal articles on the topic "Classical Laminated Plate Theory (CLPT)"

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Elmardi Suleiman, Osama Mohammed, Mahmoud Yassin Osman, and Tagelsir Hassan. "B EFFECT OF BOUNDARY CONDITIONS ON BUCKLING LOAD FOR LAMINATED COMPOSITE DECKS PLATES." IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING 20, no. 2 (2020): 97–110. http://dx.doi.org/10.32852/iqjfmme.v20i2.491.

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Finite element (FE) method is presented for the analysis of thin rectangular laminatedcomposite decks plates under the biaxial action of in – plane compressive loading. Theanalysis uses the classical laminated plate theory (CLPT) which does not account for sheardeformations. In this theory it is assumed that the laminate is in a state of plane stress, theindividual lamina is linearly elastic, and there is perfect bonding between layers. The classicallaminated plate theory (CLPT), which is an extension of the classical plate theory (CPT)assumes that normal to the mid – surface before deformatio
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Sutar, Mihir Kumar, Subrat Kumar Behera, and Sarojrani Pattnaik. "Free Vibration Analysis and Investigation of Mechanical Properties of Un-Damped Woven Roving Laminated Composite Plate Using Different Boundary Conditions." Materials Science Forum 978 (February 2020): 264–70. http://dx.doi.org/10.4028/www.scientific.net/msf.978.264.

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This paper presents a free vibration analysis of un-damped woven roving laminated composite plate using Classical Laminate Plate Theory (CLPT), for different boundary conditions. The fiber glass/epoxy woven roving laminated composite plates have been prepared using hand layup method. Three different fiber orientations have been considered for the fiber glass/epoxy laminated composite plate, having 50% each percentage by volume of glass and epoxy. Effects of fiber orientation on different mechanical properties such as density, hardness, impact strength and impact strength have been studied. Fin
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Majeed, Widad I., and Zainab Abdul Kareem Abed. "Buckling and Pre Stressed Dynamics Analysis of Laminated Composite Plate with Different Boundary Conditions." Al-Khwarizmi Engineering Journal 15, no. 1 (2019): 46–55. http://dx.doi.org/10.22153/kej.2019.07.002.

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Critical buckling and natural frequencies behavior of laminated composite thin plates subjected to in-plane uniform load is obtained using classical laminated plate theory (CLPT). Analytical investigation is presented using Ritz- method for eigenvalue problems of buckling load solutions for laminated symmetric and anti-symmetric, angle and cross ply composite plate with different elastic supports along its edges. Equation of motion of the plate was derived using principle of virtual work and solved using modified Fourier displacement function that satisfies general edge conditions. Various num
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Sadr-Lahidjani, Mohammad Homayoun, Mohammad Hajikazemi, and Mona Ramezani-Oliaee. "Large Deflection Behavior of Relatively Thick Functionally Graded Plates under Pressure Loads Using Higher Order Shear Deformation Theory." Key Engineering Materials 471-472 (February 2011): 709–14. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.709.

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Large deflection analysis of thin and relatively thick rectangular functionally graded plates is studied in this paper. It is assumed that the mechanical properties of the plate, graded through the thickness, are described by a simple power law distribution in terms of the volume fractions of constituents. The plate is assumed to be under lateral pressure load. The fundamental equations for rectangular plates of FGM are obtained using the classical laminated plate theory (CLPT), first order shear deformation theory (FSDT) and higher order shear deformation theory (HSDT) for large deflection an
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Bargh, Hadi Ghashochi, and Mohammad Homayoun Sadr-Lahidjani. "Optimal Design by Elitist-Genetic Algorithm for Maximum Fundamental Frequency of Fiber Metal Laminated Plates." Key Engineering Materials 471-472 (February 2011): 331–36. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.331.

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In this paper, fundamental frequency optimization of fiber metal laminated plates is studied using the combination of Elitist-Genetic algorithm (E-GA) and finite strip method (FSM). The design variables are the number of layers, the fiber orientation angles of inner composite layers, edge conditions and plate length/width ratios. The classical laminated plate theory (CLPT) is used to calculate the natural frequencies and the fitness function is computed with a semi-analytical finite strip method which has been developed on the basis of full energy methods. To check the validity, the obtained r
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Wasmi, Hatem Rahem, Ibtehal Abbas Sadiq, and Mohsin Asfoor Lafta. "Non-Linear Analysis of Laminated Composite Plates under General Out-Of-Plane Loading." Journal of Engineering 21, no. 2 (2015): 119–43. http://dx.doi.org/10.31026/j.eng.2015.02.08.

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The theoretical analysis depends on the Classical Laminated Plate Theory (CLPT) that is based on the Von-K ráman Theory and Kirchhov Hypothesis in the deflection analysis during elastic limit as well as the Hooke's laws of calculation the stresses. New function for boundary condition is used to solve the forth degree of differential equations which depends on variety sources of advanced engineering mathematics. The behavior of composite laminated plates, symmetric and anti-symmetric of cross-ply angle, under out-of-plane loads (uniform distributed loads) with two different boundary conditions
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Alabas, Mohammed Basheer, and Wedad Ibrahim Majid. "Thermal Buckling Analysis of Laminated Composite plates with General Elastic Boundary Supports." Journal of Engineering 26, no. 3 (2020): 1–17. http://dx.doi.org/10.31026/j.eng.2020.03.01.

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In this study, the modified Rayleigh-Ritz method and Fourier series are used to determine the thermal buckling behavior of laminated composite thin plates with a general elastic boundary condition applied to in-plane uniform temperature distribution depending upon classical laminated plate theory(CLPT). A generalized procedure solution is developed for the Rayleigh-Ritz method combined with the synthetic spring technique. The transverse displacement of the orthotropic rectangular plates is not a different term as a new shape expansion of trigonometric series. In this solution approach, the pla
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Valot, E., P. Vannucci, and G. Verchery. "Complete In-plane Elastic Characterisation under Tensile Tests of Angle-Ply Laminates Composed of Polymer-Matrix Layers." Polymers and Polymer Composites 10, no. 7 (2002): 483–92. http://dx.doi.org/10.1177/096739110201000701.

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In this paper we present a new strategy to completely characterise the in-plane elastic properties of a large range of angle-ply laminates using only unidirectional tests. We consider laminates having the same number of identical plies in the α and – α directions. This new method uses some preceding results found by Verchery for orthotropic laminates, namely the conditions of existence of a specific direction ω, in which the shear-extension coupling is null. The characterisation of the laminate is then made using the results of three tensile tests: two in the orthotropy axes, and the third one
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Zhou, Xiaoqiang, Qingquan You, Yuan Gao, et al. "Buckling Analysis on Resin Base Laminated Plate Reinforced with Uniform and Functional Gradient Distribution of Carbon Fiber in Thermal Environment." Polymers 15, no. 9 (2023): 2086. http://dx.doi.org/10.3390/polym15092086.

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The present paper aims to investigate the buckling load of functionally graded carbon-fiber-reinforced polymer (FG-CFRP) composite laminated plates under in-plane loads in a thermal environment. The effective material properties of the CFRP composite are calculated by the Mori–Tanaka homogenization method. The theoretical formulations are based on classical laminate plate theory (CLPT) and the von Kármán equations for large deflections. The governing equations are derived based on the principle of virtual work and then solved through the Navier solution. Results are obtained for the critical b
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Bacciocchi, Michele, and Angelo Marcello Tarantino. "Third-Order Theory for the Bending Analysis of Laminated Thin and Thick Plates Including the Strain Gradient Effect." Materials 14, no. 7 (2021): 1771. http://dx.doi.org/10.3390/ma14071771.

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The aim of the paper is the development of a third-order theory for laminated composite plates that is able to accurately investigate their bending behavior in terms of displacements and stresses. The starting point is given by the corresponding Reddy’s Third-order Shear Deformation Theory (TSDT). This model is then generalized to consider simultaneously the Classical Laminated Plate Theory (CLPT), as well as the First-order Shear Deformation Theory (FSDT). The constitutive laws are modified according to the principles of the nonlocal strain gradient approach. The fundamental equations are sol
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Dissertations / Theses on the topic "Classical Laminated Plate Theory (CLPT)"

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Vidyashankar, B. R. "Analysis Of Composite Laminates With Delaminations And Plydrops." Thesis, 1997. https://etd.iisc.ac.in/handle/2005/1777.

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Vidyashankar, B. R. "Analysis Of Composite Laminates With Delaminations And Plydrops." Thesis, 1997. http://etd.iisc.ernet.in/handle/2005/1777.

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Book chapters on the topic "Classical Laminated Plate Theory (CLPT)"

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"Review of Classical Laminated Plate Theory." In Design and Analysis of Composite Structures. John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9780470972700.ch3.

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"Review of Classical Laminated Plate Theory." In Design and Analysis of Composite Structures. John Wiley & Sons Ltd, 2013. http://dx.doi.org/10.1002/9781118536933.ch3.

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Verchery, G., P. Vannucci, and V. Person. "The polar method as a tool for solving inverse problems of the classical laminated plate theory." In Inverse Problems in Engineering Mechanics II. Elsevier, 2000. http://dx.doi.org/10.1016/b978-008043693-7/50105-7.

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Conference papers on the topic "Classical Laminated Plate Theory (CLPT)"

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Avile´s, F., and L. A. Carlsson. "On the Sandwich Plate Twist Test for Shear Testing." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66320.

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This work examines the viability of the sandwich twist (anticlastic) test as a means to determine the in-plane and transverse shear properties of the face sheets and core in sandwich materials through analysis and testing. The contribution of core transverse shear to the total compliance of the specimen is quantified for different material systems and the adequacy of classical laminated plate theory (CLPT) as a data reduction method for such a test is examined. Parametric studies are conducted using finite element analysis (FEA) to examine the influence of transverse shear deformation on the p
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Sadr, Mohammad Homayoun, and Hadi Ghashochi Bargh. "Fundamental Frequency Optimization of Angle-Ply Laminated Plates Using Elitist-Genetic Algorithm and Finite Strip Method." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24007.

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In the present paper, fundamental frequency optimization of symmetrically angle-ply laminated composite plates is studied using the combination of Elitist-Genetic algorithm (EGA) and finite strip method (FSM). The design variables are the number of layers, the fiber orientation angles, edge conditions and plate length/width ratios. The classical laminated plate theory (CLPT) is used to calculate the natural frequencies of laminated rectangular plates. To improve the speed of the optimization process, the elitist strategy is used in the Genetic algorithm. In the E-GA, the fittest individuals in
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Shokrieh, M. M., and A. Karamnejad. "Transient Response of Strain Rate Dependent Composite Plates Using Finite Difference Method." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40063.

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In the present work, the response of laminated composite plate under dynamic loading is investigated using a macro-mechanical approach by use of a finite difference model which accounts for geometric nonlinearity and strain rate effects. Coupled nonlinear equations of motion of a laminated plate based on classical laminated plate theory (CLPT) and first-order shear deformation laminated plate theory (FSDT) are derived and reduced to nonlinear ordinary differential equations in time domain by finite difference approximations for displacements. Newmark time integration scheme in association with
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Sadr, Mohammad Homayoun, Hadi Ghashochi Bargh, Hoofar Pourzand, and Masoud Karimi. "Optimum Vibration Design of Fiber Metal Laminated Panels by Particle Swarm Optimization Algorithm." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62346.

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This paper illustrates the application of the particle swarm optimization (PSO) algorithm to the lay-up design of symmetrically fiber metal laminated panels for maximization of fundamental frequency. The design variables are the number of layers, the fiber orientation angles of inner composite layers, edge conditions and panel length/width ratios. The classical laminated plate theory (CLPT) is used to calculate the natural frequencies and the fitness function is computed with a semi-analytical finite strip method which has been developed on the basis of full energy methods. The performance of
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Barrett, Ronald M., and Ronald P. Barrett. "Thermally Adaptive Building Coverings: Theory and Application." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9014.

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The paper begins with a brief overview of historical building coverings. Thermadapt™ thermally adaptive buildings are introduced as a completely new class of shingles, siding and roofing. These elements physically change shape in response to thermal loading. In hot weather with high solar loading, the panels curl up and away from the building. As the temperature cools and the sun sets, the Thermadapt™ elements lie close to the building. In cool temperatures, the elements lie flat agains the building transferring solar energy. In extremely cold temperatures, high convexity inherently forms in t
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Sadr, Mohammad Homayoun, Hadi Ghashochi Bargh, Mostafa Khorram Nejadi, and Hoofar Pourzand. "Free Vibration Analysis of Rotating Laminated Composite Panels Using Finite Strip Method With Modified Shape Functions." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62269.

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In this paper, free vibration analysis of rotating laminated composite panels is investigated. The formulation is based on the classical laminated plate theory (CLPT), and the method of analysis is the semi-analytical finite strip approach which has been developed on the basis of full energy method with modified shape functions. In the longitudinal direction, the combinations of trigonometric and polynomial functions are used for the out-of-plane displacements, and the trigonometric functions are utilized to estimate the in-plane displacements, to satisfy the kinematic conditions prescribed at
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Almajid, Abdulhakim, and Minoru Taya. "Modeling of Disc Shaped FGM Piezoelectric Actuator." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1696.

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Abstract The mechanical behavior of a disk shaped piezoelectric actuator was studied using modified classical lamination theory (CLT) for circular plate. The modified CLT accounts for piezoelectric coupling terms. CLT is capable of predicting the stress field and out of plane displacement of disk shaped laminated piezoelectric layers under applied electric field. The analysis was applied to different types of piezoelectric actuators.
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Meink, Troy E., and M. H. Herman Shen. "Processing Induced Warpage in Composite Cylindrical Shells." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0884.

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Abstract This paper investigates a cause for warpage in structures manufactured using filament winding or fiber placement. This warpage phenomena has been determined to be caused by fiber/resin consolidation resulting from manufacturing parameters including: cure pressure, winding tension, and material system characteristics. This is a non-thermal phenomena and is independent of cure temperature, or finished part operational environments. A novel theory has been developed to predict the warpage or “springback” resulting from the processing induced strain gradient that develops in laminates due
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Guiamatsia, Irene, and Jorn S. Hansen. "A Homogenization-Based Laminated Plate Theory." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61763.

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A new approach to plate theory is presented which yields a straight-forward yet extremely accurate plate model. The approach yields precise and complete three-dimensional stress and strain states with minimal computational effort. This development is based on the assumption that the plate response characteristics can be represented in terms of far-field stress and strain solutions corresponding to constant, linear, quadratic, , nth degree bending states; such solutions, referred to as Fundamental State Solutions (FS), can be determined uniquely and are independent of boundary conditions. Defin
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Bauchau, Olivier A., and Shilei Han. "Advanced Plate Theory for Multibody Dynamics." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12415.

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In flexible multibody systems, many components are often approximated as plates. More often that not, classical plate theories, such as Kirchhoff or Reissner-Mindlin plate theory, form the basis of the analytical development for plate dynamics. The advantage of this approach is that it leads to a very simple kinematic representation of the problem: the plate’s normal material line is assumed to remain straight and its displacement field is fully defined by three displacement and two rotation components. While such approach is capable of capturing the kinetic energy of the system accurately, it
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