Advances in Civil Engineering / 2020 / Article / Tab 3

Research Article

Forced Vibration Analysis of Laminated Composite Shells Reinforced with Graphene Nanoplatelets Using Finite Element Method

Table 3

The first nondimensional fundamental frequencies with different meshes.

Cases of GPLUD-typeX-typeO-typeV-type
BCSSSSCCCCSSSSCCCCSSSSCCCCSSSSCCCC

SPH (spherical shell)
Mesh4 × 428.946645.731929.767544.598723.991439.959325.942141.9856
6 × 628.930545.637029.753244.512223.978939.854725.929141.8878
8 × 828.927945.623829.750844.499523.976939.841725.927041.8752
10 × 1028.927345.620229.750244.495923.976339.838425.929141.8719
12 × 1228.927045.618929.750044.494623.976139.837225.926441.8706
14 × 1428.926945.618329.749944.494023.976039.836725.926241.8701
[35]29.592044.030030.837043.245025.306039.486027.423040.5730

CLY (cylindrical shell)
Mesh4 × 427.080443.731928.490341.352122.730938.590024.592840.6802
6 × 627.065943.646728.476141.275022.717938.489924.579240.5859
8 × 827.063543.634828.473741.263522.715838.478024.577040.5741
10 × 1027.062943.631628.473141.260322.715238.475024.576440.5711
12 × 1227.062743.630428.472941.259022.715038.473924.576240.5700
14 × 1427.062643.629928.472841.258522.714938.473424.576140.5695
[35]28.443042.454029.763041.774023.983037.927025.983039.0500

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.