Issue 55

S. Merdaci et alii, Frattura ed Integrità Strutturale, 55 (2021) 65-75; DOI: 10.3221/IGF-ESIS.55.05

it can be concluded that the dimensional transition is the with the rise in the force law index. Moreover, increasing the porosity coefficient increases the dimensional displacement of the two thickness ratios .

w  xz Zenkour[50] RPT[20] Present Zenkour[50] RPT[20] Present Zenkour[50] RPT[20] Present  x

P

Ceramic

0.2960 0.5889 0.7573 0.8377 0.8819 0.9118 1.0089 1.6070

0.2961 0.5890 0.7573 0.8375 0.8816 0.9112 1.0085 1.6074

1.9955 3.0870 3.6094 3.8742 4.0693 4.2488 5.0890 1.9955

1.9943 3.0850 3.6067 3.8709 4.0655 4.2447 5.0849 1.9943

0.246 2 0.246 2 0.226 5 0.210 7 0.202 9 0.201 7 0.219 8 0.246 2

0.238 6 0.238 6 0.218 6 0.202 4 0.194 4 0.193 0 0.211 4 0.238 6

0.29603 0.58891 0.75733 0.83768 0.88187 0.91183 1.00892 1.60702

1.9955 3.0850 3.6067 3.8709 4.0655 4.2447 5.0849 1.9943

0.2205 0.2369 0.2249 0.2105 0.1984 0.1898 0.1986

1 2 3 4 5

10

Metal

0.2205 Table 1: Functionally graded plate FG with non-dimensional deflections and stresses on various power law index.

Figure 2: Displacement variation as a function of the power index “ p ” and the volume fraction of porosity of a FG plate.

Figure 3: Displacement Variation depending on the thickness ratio (a/h) for various porosity factor values ξ .

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