Research Article

Time Period Analysis of Orthotropic Skew Plate with 2-D Circular Thickness and 1-D Circular Density

Table 1

Time period of the orthotropic parallelogram plate at , and edge conditions corresponding to both tapering parameters and .

 = 0.2,  = 0.4
 = 0.0  = 0.2  = 0.4  = 0.6  = 0.8  = 1.0

CCCC0.00.163090.625620.158070.605480.153150.585910.148310.566930.143620.548650.139050.53102
0.20.153670.590970.149090.572620.144570.554710.140130.537340.135810.520590.131600.50445
0.40.144410.557920.140220.541140.136080.524740.132010.508840.128030.493450.124160.47862
0.60.135510.526880.131670.511550.127880.496500.124150.481920.120490.467780.116920.45412
0.80.127100.498160.123580.484030.120100.470200.116670.456760.113300.443720.110010.43109
1.00.119260.471680.116030.458640.112820.445860.109650.433450.106540.421350.103510.40966

CCCF0.00.183750.59876.170940.565050.159180.534610.148480.507090.138830.482050.130110.45921
0.20.175870.569350.163850.538340.152770.510260.142660.484650.133500.461280.125220.43992
0.40.167880.540540.156650.512180.146250.486290.136730.462540.128080.440830.120240.42085
0.60.159930.512930.149480.486950.139760.463100.130820.441140.122670.420940.115270.40228
0.80.152150.486760.142450.462950.133380.440950.125010.420630.117350.401810.110360.38441
1.00.144650.462190.135640.440330.127190.420000.119360.401150.112160.383650.105590.36741

CFCF0.00.361630.787540.349060.749150.336280.711070.323490.674190.310910.639000.298660.60589
0.20.342910.728350.331340.693790.319470.659550.307550.626250.295740.594420.284190.56439
0.40.324210.673560.313520.642520.302490.611640.291320.581570.280220.552860.269330.52565
0.60.305900.624200.295990.596120.285670.568190.275190.541110.264740.515070.254440.49040
0.80.288260.580160.279020.554740.269340.529450.259480.504890.249590.481290.239850.45892
1.00.271480.541230.262820.518110.253720.495120.244400.472750.235040.451290.225810.43090

CSCF0.00.370610.766990.351260.705980.332760.651880.315290.604160.298960.561940.283790.52462
0.20.355410.702020.336970.646980.319250.598000.302530.554710.286890.516380.272340.48242
0.40.339640.642520.322010.592910.305080.548710.289070.509500.274090.474730.260140.44391
0.60.323580.589710.306740.544910.290510.505010.275150.469480.260790.438000.247430.41001
0.80.307550.543530.291390.503100.275810.466940.261060.434800.247260.406210.234450.38070
1.00.291740.503540.276200.466940.261210.434170.247030.404920.233790.378880.221490.35560

SFSF0.00.292291.62820.283791.55060.275121.47370.266401.39900.257741.32750.249241.2597
0.20.271321.55740.264151.48210.256761.40770.249271.33560.241791.26660.234391.2013
0.40.251161.48990.245101.41650.238791.34420.232361.27440.225891.20780.219441.1449
0.60.232331.42630.227161.35450.221751.28400.216191.21620.210561.15170.204921.0910
0.80.215061.36660.210591.29620.205901.22740.201061.16140.196121.09890.191171.0401
1.00.199381.31070.195491.24160.191371.17440.187111.11010.182751.04930.178360.99243