Shock and Vibration / 2018 / Article / Tab 3

Research Article

Analytical and Experimental Vibration of Sandwich Beams Having Various Boundary Conditions

Table 3

The five low natural frequencies for different boundary conditions (Hz).

BCsMode12345

C-FABAQUS [14]327.401079.12138.02175.32216.4
GDQ329.181083.222152.542201.582258.15
QEM [13]329.661088.432164.592183.782225.72
HQEM (full [M]) [14]327.821082.42153.92175.92217.9

C-CABAQUS [14]839.921956.72255.62702.63477.8
GDQ844.171976.582274.562709.823541.27
QEM [13]848.711988.132262.662725.133563.96
HQEM (full [M]) [14]844.031978.12257.12717.53547.5

S-SABAQUS [14]618.561349.11503.32170.42358.4
GDQ619.051348.251508.812212.642413.09
QEM [13]622.221352.861515.452176.862369.77
HQEM (full [M]) [14]618.911349.31508.22171.22362.3

F-FABAQUS [14]1290.21366.92153.72169.22214.6
GDQ1292.101366.872197.872203.862245.86
QEM [13]1299.191372.392162.802176.402225.19
HQEM (full [M] [14]1291.81367.62154.22170.12215.2

S-CABAQUS [14]715.451714.42196.42514.43117.1
GDQ717.251725.642233.92541.33157.28
HQEM (full [M]) [14]717.181725.82197.52521.23160.7