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The Structural Engineer, Volume 47, Issue 6, 1969
Under the Chairmanship of the President the meeting was opened by Mr. D.R.R, Dick (Hon. Secretary) and Mr. R.L. Creasy (Vice-president). This discussion took place against the background of the note that appeared in The Structural Engineer in January 1969 on p. 13.
Zero stiffness tests to determine natural frequencies are explained. These require no complicated mathematics but only the use of arithmetic in familiar moment distribution or type solution calculations. Good approximate methods are also described. Professor A. Bolton
The paper presents a new approach to the analysis of skew structures, based on the finite element method using a rectangle-triangle configuration. An automatic computer program based on the method is described. Comparison with existing experimental and theoretical results verify the accuracy of the new method, Problems of Poisson's ratio effect and orthotropy of skew slabs are investigated in some detail. Professor F. Sawko and R.J. Cope