An. Norris et Av. Osipov, ON ACOUSTIC INTERACTION BETWEEN 2 THIN ELASTIC PLATES THROUGH AN ANGULAR WELDED JOINT, Journal of sound and vibration, 196(1), 1996, pp. 75-84
Contact conditions are deduced for a pair of thin plates in welded con
tact at an angle and under fluid loading. The conditions take into acc
ount the interaction between the plates through not only flexural but
also longitudinal motion, and include the possibility of an applied fo
rce and moment acting at the junction. The two-dimensional conditions
are shown to be consistent with the principle of acoustic reciprocity
for the configuration, and they guarantee unique solutions if certain
constraints are satisfied by the plate longitudinal impedances. The co
nditions also have implications for the junction admittance matrix. Si
mple examples are presented of the application of the contact conditio
ns to acoustic interaction with plate configurations that are almost f
lat. (C) 1996 Academic Press Limited