Wednesday, August 30, 2006

Roark's Formulas for Excel Tutorial IV

Five Quick Problems - 4 of 5

Tutorials will use the Standard User Mode to highlight the simplicity in using this software. Advanced Users may want to use the Power User Mode.

All Tutorials are shown with the US unit system.

Problem 4

Let’s switch from beams to plates. The next problem involves a flat annular plate with uniform annular line load, fixed on the outside and free in the center.

Open the Roark’s Formulas for Excel Explorer and select a case from Plates Table, Table 11.2, Case 1e -- a flat annular plate of constant thickness with uniform annular line load w at a radius r0, with the plate fixed on the outside and free in the center.




Click the Standard User Mode button to continue. Once loaded into Excel the Worksheet looks as follows:







Enter the following input values:

Uniform annular line load 30 in
Radius to annular line load 6 in
Material number 20
Outer radius of the plate 18 in
Inner radius 1 in
Plate thickness .25 in
Radius 6 in

Note the new Worksheet.





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