Encapsulation Based Method for Natural Frequency Identification of Deployable Solar Arrays with Multiple Plates

Figure 9

First four-order modes of the threefold solar array of honeycomb sandwich plates: (a) mode 1: freq. = 0.9.556 Hz; (b) mode 2: freq. = 2.6.972 Hz; (c) mode 3: freq. = 5.5.747 Hz; (d) mode 4: freq. = 5.8.707 Hz.

(a)

(b)

(c)

(d)