ACOUSTIC PANEL WITH RECONFIGURABLE CHAMBER CONSTRICTIONS

An acoustic panel system (69) is provided that includes a perforated first skin (22), a second skin (23) and a core (24). The core (24) is connected to the perforated first skin (22) and the second skin (23). The core (24) includes a plurality of chambers (46) and a first constriction (52). Each of the chambers (46) extends vertically through the core (24) between the perforated first skin (22) and the second skin (23). The chambers (46) include a first chamber. The first constriction (52) is configured to divide the first chamber into a plurality of fluidly coupled sub-chambers (46A, 46B). The first constriction (52) is configured from or otherwise includes a shape memory material.