Applied Scientific Research

, Volume 20, Issue 1, pp 326-337

First online:

Stress concentration and load diffusion in rectangular panels with constant stress flanges

  • B. DattaguruAffiliated withDept. of Aeronautical Eng., Indian Institute of Science
  • , A. K. RaoAffiliated withDept. of Aeronautical Eng., Indian Institute of Science

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The stress concentration that occurs when load is diffused from a constant stress member into thin sheet is an important problem in the design of light weight structures. By using solutions in biharmonic polar-trigonometric series, the stress concentration can be effectively isolated so that highly accurate information necessary for design can be obtained. A method of analysis yielding high accuracy with limited effort is presented for rectangular panels with transverse edges free or supported by inextensional end ribs. Numerical data are given for panels with length twice the width.