Research Article

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

Table 2

Time period of the orthotropic parallelogram plate at , and edge conditions corresponding to thermal gradient .

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

CCCC0.00.147450.564140.135980.519870.125120.479090.115000.441900.105660.408250.097100.37800
0.20.154680.592410.142080.544280.130260.500270.119310.460460.109280.424740.100150.39276
0.40.163090.625620.149090.572620.136080.524740.124150.481920.113300.443720.103510.40966
0.60.173030.665270.157240.606270.142750.553680.129610.507120.117790.465930.107220.42949
0.80.185030.713960.166880.647110.150500.588580.135860.537400.122860.492570.111350.45311

CCCF0.00.171900.554650.154500.500360.138840.453140.124900.411960.112580.375960.101710.34432
0.20.177530.575320.158980.518210.142410.468700.127760.425690.114890.388140.103600.35519
0.40.183750.598760.163850.538340.146250.486290.130820.441140.117350.401810.105590.36741
0.60.190660.625740.169200.561500.150430.506330.134110.458740.119970.417360.107700.38117
0.80.198390.657470.175080.588550.154960.529710.137640.479090.122750.435170.109930.39694

CFCF0.00.327610.724200.302620.646290.278550.574980.255510.511700.233630.456760.213030.40960
0.20.343380.753800.316010.668660.289800.592190.264840.525530.241260.468260.219180.41959
0.40.361630.787540.331340.693790.302490.611640.275190.541110.249590.481290.225810.43090
0.60.383120.826680.349060.722630.316890.633720.286760.558860.258750.496280.232980.44388
0.80.408880.872920.369860.756250.333480.659480.299770.579630.268850.513750.240730.45918

CSCF0.00.341990.736890.312880.626620.285120.534010.258900.457920.234290.396220.211360.34639
0.20.355440.751470.324240.636490.294610.541110.266680.463510.240550.400960.216290.35073
0.40.370610.766990.336970.646980.305080.548710.275150.469480.247260.406210.221490.35560
0.60.387890.783580.351230.658170.316700.556880.284430.476110.254490.412050.226990.36110
0.80.407840.801420.367470.670170.329710.565740.294600.483430.262250.418650.232770.36735

SFSF0.00.268391.46860.244901.34990.223251.23540.203551.12700.185781.02570.169830.93243
0.20.279581.54200.253981.41110.230621.28620.209591.16890.190751.06020.173940.96089
0.40.292291.62820.264151.48210.238791.34420.216191.21620.196121.09890.178360.99243
0.60.306921.73160.275641.56560.247881.41150.223451.27030.201981.14240.183141.0276
0.80.323961.85910.288761.66650.258101.49100.231491.33310.208391.19210.188321.0671