Dynamic Response of Soft Core Sandwich Beams with Metal-Graphene Nanocomposite Skins

Table 12

Frequencies Ω and loss factors . Titanium skins.

Model; Core	FSDT-FSDT		HSDT-FSDT		HSDT-HSDT
	Ω [Hz]	[%]	Ω [Hz]	[%]	Ω [Hz]	[%]
	517.81; 1421.88; 2781.01; 4588.77; 6843.42	0.363; 0.180; 0.101; 0.064; 0.044	518.44; 1422.73; 2781.89; 4589.47; 6843.46	0.433; 0.216; 0.122; 0.079; 0.057	471.65; 1090.12; 1516.13; 1695.78; 1772.94	0.470; 0.187; 0.060; 0.022; 0.011
	710.92; 1731.57; 3170.40; 5022.36; 7304.91	10.159; 8.073; 6.188; 4.636; 3.516	734.19; 1777.22; 3234.91; 5099.27; 7389.96	10.290; 8.647; 6.845; 5.254; 4.045	675.60; 1298.56; 1620.50; 1743.79; 1798.48	10.110; 5.978; 2.584; 1.231; 0.687
	990.95; 2504.24; 4521.47; 6934.45; 9704.72	4.754; 7.526; 9.147; 9.931; 10.069	1004.89; 2561.93; 4650.88; 7152.98; 10017.95	4.181; 6.881; 8.656; 9.671; 10.058	906.52; 1585.26; 1786.85; 1845.93; 1868.62	3.698; 2.769; 1.546; 1.088; 0.870