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STRESS ANALYSIS

The Elastic instability of a thin curved panel, subjected to an axial thrust, etc., by S. C. Redshaw. London. H.M. Stat. off., 1935.    13 p. (A.R.C. R. & M. no. 1565)

Sciiubkniekver suche mit wellblechtafeln, von Edgar Seydel. (In

Jahrbuch der D.V.L. MUnchen unć Berlin, R. Oldenbourg, 1931. p. 233-45. (Also Z.F.M., Mttnchen und Berlin, July 14, 1931, v. 22, no. 13, p. 410-11)

PIIOTOEL AS TICITY

The Photoelastic method as an aid in stress analysis and struć-tural design, by B.F. Ruffner, Jr. Aero digest, New York, Apr. 1939, p. 60-61. illus.

Three-dimensional photoelasticit^ used to study stress and strain, by R. D. Mindlin and M. Hetenyi. Steel, Cleveland, Dec. 26, 1938, v. 103, p. 50.

Photoelastic analysis of Yierendeel trusses, by Max M. Frocht and M. M. Leven. Civil engineering, New York, Oct. 1930, v. 8, no. 10, p. 686-80. diagrs., illus.

Die Spannungsoptik im dienste des bauingenieurs, von L. Foppl.

Der Bauingenieur, Berlin, June 10, 1938, v. 19, no. 23-24, p. 341-45. illus.

Photoelastic analysis of stress concentration for beams in pure bending with a central hole, by J.J. Ryan and L.J. Fischer. Journal of the Franklin institute, Philadelphia, Pa., May 1938, v. 225, no. 5, p. 513-26. diagrs., illus., tables.

Photo-elasticity; sirnplified means for solving structural stress problems, by William M, Murray. Tech engineering news, Cambridge, Mass., May 1938, v. 19, no. 4, p. 84-85, 97-98. diagrs., illus.

Les Progres reeents et les applications de la photo-elastici-

metrie, par V. Tesar. La Technique moderne, Paris, Apr. 15, 1938, v. 30, no. 8, p. 259-65. diagrs., illus.

Fundainentals of three-dimensional photo-elastieity, by M* Hetenyi. Transactions of the A.S.M.E. (Journal of applied mechanics) New York, 1938, v. 60, p. A149-A155.

Place of photoelastici ty in the analysis of statically indeter-rainate structures, by M. Frocht. Pittsburgh, Pa«,

Carnegie institute of technology, 1938.    53 p.