Advances in Acoustics and Vibration / 2009 / Article / Tab 1

Research Article

Modeling and Eigenfrequency Analysis of Sound-Structure Interaction in a Rectangular Enclosure with Finite Element Method

Table 1

Comparison eigenfrequencies between finite element model with analytical results in [3] for uncoupled system.

ModeAnalyticalFinite element (COMSOL)Error %
PanelEnclosurePanelEnclosure

(1,1)41.644.286.0524
(1,2)73.775.662.5905
(2,1)95.0103.197.9368
(2,2)124.6127.051.9284
(1,0,0)281.3281.120.0640
(0,0,1)337.6338.980.4071
(0,1,0)375.1379.641.1959
(1,0,1)439.5446.271.5170
(1,1,0)468.9479.602.2310
(1,0,0)504.7511.831.3930
(1,1,1)577.8578.960.2004

Error %2.3197

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