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

Table 11

Frequencies Ω and loss factors . Magnesium skins.

Model; Core	FSDT-FSDT		HSDT-FSDT		HSDT-HSDT
	Ω [Hz]	[%]	Ω [Hz]	[%]	Ω [Hz]	[%]
	263.78; 720.64; 1406.38; 2318.26; 3455.56	0.961; 0.483; 0.274; 0.175; 0.121	264.62; 721.79; 1407.66; 2319.59; 3456.87	1.141; 0.576; 0.328; 0.210; 0.145	244.59; 562.65; 777.39; 864.96; 901.65	1.199; 0.475; 0.148; 0.053; 0.024
	426.94; 1026.42; 1831.58; 2826.39; 4020.71	9.188; 10.101; 9.395; 8.207; 6.921	439.17; 1059.63; 1887.33; 2902.15; 4112.06	8.648; 10.079; 9.738; 8.775; 7.582	403.62; 732.72; 862.42; 905.86; 924.34	7.985; 5.369; 2.514; 1.394; 0.884
	529.27; 1396.03; 2604.02; 4083.63; 5787.68	2.176; 4.087; 5.857; 7.355; 8.499	532.60; 1412.79; 2649.80; 4175.41; 5940.13	1.860; 3.567; 5.228; 6.709; 7.912	479.22; 827.59; 917.98; 942.89; 950.811	1.587; 1.161; 0.657; 0.486; 0.216