0° |
Present element |
QSFT52 |
1.5816* |
3.0082 |
3.8583 |
4.6476 |
Nguyen-Van (2009Nguyen-Van, H. (2009), “Development and application of assumed strain smoothing finite element technique for composite plate/shell structures”, Ph.D Thesis, University of Southern Queensland.) |
MISQ20 |
1.5733 |
- |
- |
- |
Ferreira et al. (2005Ferreira, A., Roque, C. & Jorge, R. (2005), "Free vibration analysis of symmetric laminated composite plates by FSDT and radial basis functions", Computer Methods in Applied Mechanics and Engineering, 194 (39) 4265-4278) |
RBF |
1.5791 |
- |
- |
- |
Wang (1997Wang, S. (1997), "Free vibration analysis of skew fibre-reinforced composite laminates based on first-order shear deformation plate theory", Computers & Structures, 63 (3) 525-538) |
Anal Solution |
1.5699 |
3.0371 |
3.7324 |
4.5664 |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-TSDT |
1.5703 |
2.8917 |
3.8041 |
4.5314 |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-FSDT |
1.5699 |
3.0372 |
3.7325 |
4.5664 |
15° |
Present element |
QSFT52 |
1.6799 |
3.0467 |
4.1075 |
4.7327 |
Nguyen-Van (2009Nguyen-Van, H. (2009), “Development and application of assumed strain smoothing finite element technique for composite plate/shell structures”, Ph.D Thesis, University of Southern Queensland.) |
MISQ20 |
1.6896 |
- |
- |
- |
Ferreira et al. (2005Ferreira, A., Roque, C. & Jorge, R. (2005), "Free vibration analysis of symmetric laminated composite plates by FSDT and radial basis functions", Computer Methods in Applied Mechanics and Engineering, 194 (39) 4265-4278) |
RBF |
1.6917 |
- |
- |
- |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-TSDT |
1.6877 |
3.0458 |
4.0264 |
4.4818 |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-FSDT |
1.6874 |
3.1413 |
3.9600 |
4.6073 |
30° |
Present element |
QSFT52 |
2.1074 |
3.2736 |
4.9556 |
5.0316 |
Nguyen-Van (2009Nguyen-Van, H. (2009), “Development and application of assumed strain smoothing finite element technique for composite plate/shell structures”, Ph.D Thesis, University of Southern Queensland.) |
MISQ20 |
2.0820 |
- |
- |
- |
Ferreira et al. (2005Ferreira, A., Roque, C. & Jorge, R. (2005), "Free vibration analysis of symmetric laminated composite plates by FSDT and radial basis functions", Computer Methods in Applied Mechanics and Engineering, 194 (39) 4265-4278) |
RBF |
2.0799 |
- |
- |
- |
Wang (1997Wang, S. (1997), "Free vibration analysis of skew fibre-reinforced composite laminates based on first-order shear deformation plate theory", Computers & Structures, 63 (3) 525-538) |
Anal Solution |
2.0844 |
3.5127 |
4.6997 |
4.8855 |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-TSDT |
2.0840 |
3.4023 |
4.7176 |
4.7674 |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-FSDT |
2.0884 |
3.5147 |
4.7033 |
4.8864 |
45° |
Present element |
QSFT52 |
2.7691 |
3.7711 |
5.2930 |
6.6081 |
Nguyen-Van (2009Nguyen-Van, H. (2009), “Development and application of assumed strain smoothing finite element technique for composite plate/shell structures”, Ph.D Thesis, University of Southern Queensland.) |
MISQ20 |
2.8855 |
- |
- |
- |
Ferreira et al. (2005Ferreira, A., Roque, C. & Jorge, R. (2005), "Free vibration analysis of symmetric laminated composite plates by FSDT and radial basis functions", Computer Methods in Applied Mechanics and Engineering, 194 (39) 4265-4278) |
RBF |
2.8228 |
- |
- |
- |
Wang (1997Wang, S. (1997), "Free vibration analysis of skew fibre-reinforced composite laminates based on first-order shear deformation plate theory", Computers & Structures, 63 (3) 525-538) |
Anal Solution |
2.8825 |
4.2823 |
5.5868 |
6.1808 |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-TSDT |
2.8925 |
4.1906 |
5.4149 |
6.2868 |
Garg et al. (2006Garg, A. K., Khare, R. K. & Kant, T. (2006), "Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model", Journal of Sandwich Structures and Materials, 8 (1) 33-53) |
FEM-Q9-FSDT |
2.8932 |
4.2852 |
5.5886 |
6.1874 |
60° |
Present element |
QSFT52 |
4.5523 |
5.2950 |
6.4896 |
8.0651 |
Nguyen-Van (2009Nguyen-Van, H. (2009), “Development and application of assumed strain smoothing finite element technique for composite plate/shell structures”, Ph.D Thesis, University of Southern Queensland.) |
MISQ20 |
4.5412 |
- |
- |
- |
Ferreira et al. (2005Ferreira, A., Roque, C. & Jorge, R. (2005), "Free vibration analysis of symmetric laminated composite plates by FSDT and radial basis functions", Computer Methods in Applied Mechanics and Engineering, 194 (39) 4265-4278) |
RBF |
4.3761 |
- |
- |
- |