Analysis of Rectangular Plates by Stiffness Method

by Assad Abdul Baki, Assoc. Prof.; Fac. of Engrg. and Arch., American Univ. of Beirut, Beirut, Lebanon,
Mudar Jamaluddin, Formerly Grad. Res. Asst.; American Univ. of Beirut, Beirut, Lebanon,

Serial Information: Journal of the Engineering Mechanics Division, 1974, Vol. 100, Issue 3, Pg. 547-573

Document Type: Journal Paper


A procedure is derived for determining the stiffness coefficients at the midedges of a rectangular plate when the middle of any edge undergoes a unit displacement or a unit rotation. A Le'vy type of solution was suggested coupled to other trigonometric functions. The choice of such functions was a difficult task. The results obtained check satisfactorily with close-form solutions. However, the method proposed is more general and covers a wide range of boundary conditions and load types. The stiffness coefficients for different width-length ratios were tabulated in order to simplify the solution.

Subject Headings: Plates | Stiffening | Displacement (mechanics) | Rotation | Coupling | Boundary conditions | Load factors

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