FEA Deflection Analysis of Newsprint Support Panel Panel Description The panel is a rectangle of 70 inches x 48 inches suppported on bearings near the corners. The panel is required to support a 400 lb. load of newsprint in an area of 48 x 42 inches centered between the bearings. The panel is to be faced with 304 stainless steel sheet, either 18 gauge on both faces or with a 16 gauge upper face. The core is to be .50 inch commercial grade aluminum honeycomb of 1/4-inch cell size. The long edges are closed with 1 x 1/2 x .065 wall stainless tube. FEA Model The panel was modeled using 1504 elements in a 47 x 32 mesh. ALGOR Type 16 sandwich elements having five degrees of freedom at each node. The panels were simply supported at the bearing locations. The edge closeout beams were modeled in a separate frame file and combined with the panel mesh to produce the final model. The 400 lb. live load was modeled as a uniform pressure of 0.178 psi distributed over the previously described area (outlined on the accompanying figure). Results Maximum deflection occurred near the center of the loaded area in both cases. The panel was 18 gauge faces deflected 0.062 inch while the panel with a 16 gauge upper face deflected 0.056 inch, a difference of 10%. Deflection Map of Newspaper Panel 18 ga Faces return to top

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