A Finite Element Procedure for Plates with Curved Boundaries,
NATIONAL AERONAUTICAL ESTABLISHMENT OTTAWA (ONTARIO)
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This report considers the difficulties involved in the finite element solution of plate problems which have curved boundaries. Previously used techniques for such problems are discussed and a new procedure is suggested which overcomes the problem of satisfying the displacement boundary conditions on a curved boundary. A number of circular and elliptic plate problems are solved using two previously used techniques in addition to that proposed here. The latter is found to be superior in all cases.