Experimental Investigations of Damage Identification for Aluminum Foam Sandwich Beams Using Two-Step Method

Table 7

Elastic modulus of each case (GPa).

Case	Modal order
	2	3
Case 1	4.17	4.17
Case 2	3.76	4.29
Case 3	3.48	2.83
Case 4	3.81	4.07
Case 5	3.20	2.87
Case 6	3.11	2.66