A Modified Fourier–Ritz Formulation for Vibration Analysis of Arbitrarily Restrained Rectangular Plate with Cutouts

Table 5

Frequency parameters of rectangular plate with one cutout.

Mode order		1	2	3	4	5	6	7	8
Plate with inner cutout	CCCC-FFFF	964.7^a	1004.1^a	1157.5^a	1436.8^a	1618.7^a	1640.3^a	1658.5^a	1906.3^a
		959.27^b	1003.8^b	1155.9^b	1432.0^b	1615.5^b	1637.1^b	1658.1^b	1902.0^b
Plate with corner cutout	CCF-FCC	978.0^a	1008.9^a	1177.5^a	1426.6^a	1623.8^a	1650.5^a	1657.2^a	1859.1^a
		977.8^b	1008.9^b	1177.3^b	1426.3^b	1623.2^b	1650.4^b	1657.3^b	1858.8^b
Plate with edge cutout	CCFF-FCCC	946.0^a	993.4^a	1143.6^a	1468.1^a	1592.9^a	1614.2^a	1624.3^a	1892.1^a
		942.4^b	991.2^b	1141.0^b	1467.7^b	1589.6^b	1613.5^b	1622.9^b	1891.3^b

^apresent results; ^bANSYS results.