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Research Papers: Design and Analysis

Mechanical and Thermal Stresses in FGPPM Hollow Cylinder Due to Radially Symmetric Loads

[+] Author and Article Information
M. Jabbari

Assistant Professor
Department of Mechanical Engineering,
Islamic Azad University,
South Tehran Branch,
Tehran 1434743145, Iran
e-mail: m_jabbari@azad.ac.ir

M. Meshkini

Department of Mechanical Engineering,
Sharif University of Technology, Tehran,
International Campus,
Kish 6174714761, Iran
e-mail: meshkini@kish.sharif.ir

M. R. Eslami

Professor
Fellow of the Academy of Sciences
Fellow ASME
Department of Mechanical Engineering,
Amirkabir University of Technology,
Tehran 158754413, Iran
e-mail: eslami@aut.ac.ir

1Corresponding author.

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received August 2, 2012; final manuscript received August 5, 2015; published online October 6, 2015. Assoc. Editor: Albert E. Segall.

J. Pressure Vessel Technol 138(1), 011207 (Oct 06, 2015) (9 pages) Paper No: PVT-12-1115; doi: 10.1115/1.4031372 History: Received August 02, 2012; Revised August 05, 2015

In this paper, the general solution of steady-state 1D radially symmetric mechanical and thermal stresses and electrical and mechanical displacements for a hollow thick cylinder made of fluid-saturated functionally graded poro piezoelectric materials (FGPPMs) is developed. The general form of thermal and mechanical boundary conditions is considered on the inside and outside surfaces. A direct method is used to solve the heat conduction equation and nonhomogenous system of partial differential Navier equations, using complex Fourier series and power law functions method. The material properties, except the Poisson ratio, are assumed to depend on the radial variable r and they are expressed as power law functions.

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References

Figures

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Fig. 1

Temperature distribution in the cross section of cylinder

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Fig. 2

Radial displacement in the cross section of cylinder

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Fig. 3

Radial distribution of radial stress

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Fig. 4

Radial distribution of hoop stress

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Fig. 5

Electric potential in the cross section of cylinder

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Fig. 6

Radial electrical displacement in the cross section of cylinder

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Fig. 7

Radial thermal stress in the cross section of cylinder for different values of the pore volume fraction (B)

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Fig. 8

Hoop thermal stress in the cross section of cylinder for different values of the pore volume (B)

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Fig. 9

Radial thermal stress in the cross section of cylinder for different values of the pore volume fraction (ϕ)

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Fig. 10

Hoop thermal stress in the cross section of cylinder for different values of the pore volume (ϕ)

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Fig. 11

Radial displacement in the cross section of cylinder for different values of the compressibility coefficient (B)

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Fig. 12

Radial displacement in the cross section of cylinder for different values of the pore volume fraction (ϕ)

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Fig. 13

Radial electrical displacement in the cross section of cylinder for different values of the compressibility coefficient (B)

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Fig. 14

Radial electrical displacement in the cross section of cylinder for different values of the compressibility coefficient (ϕ)

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Fig. 15

Electric potential in the cross section of cylinder for different values of the compressibility coefficient (B)

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Fig. 16

Electric potential in the cross section of cylinder for different values of the compressibility coefficient (ϕ)

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