Author: Wheen, R J;Wilson, A J
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Wheen, R J;Wilson, A J
Through this letter I wish to draw the attention of the readers of our Journal to the fact that there is some ambiguity and error in the above paper, published in March 1973. A.P. Dalvi
This paper considers first the short-term probabilistic description of random wave loading on offshore structures composed of members for which the Morison form of load mechanism is appropriate. Special consideration is given to dealing with the inherent non-linearity of the drag forces. The general multivariate distribution of loading is derived from the linear Gaussian model of long-crested random seas. The application of the multivariate distribution to yield the probabilistic description of structural response variables is indicated. Probability distributions of peak loads are developed which show the general wideband behaviour contrasted with the simpler distribution which results from appropriate narrow band assumptions. Comparisons of the theoretical models are made with prototype recordings from an offshore platform and laboratory scale experiments. Comments are made on various aspects of the numerical computations necessary in the application of the theoretical models proposed. R.G. Tickell
President's Diary The President and Mrs. Eastwood Will receive some 700 members and their guests at the Institution's Annual Dinner at Grosvenor House, London on Thursday, 5 May, among them Sir Charles Villiers, MC, Chairman, British Steel Corporation and Sir Roy Marshall, CBE, Secretary-General of the Committee of Vice-Chancellors and Principals, with their ladies. Sir Charles will be proposing a toast to the Institution, to which the President is to reply; Sir Roy will respond to the toast to 'The Guests' proposed by Mr. Peter Dunican, CBE (President-Elect).