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Observed behaviour of viaducts and other multispan arch forms is combined with experimental results from historical sources to yield a view of how load is transmitted through such structures. An analytical scheme is proposed and an example considered.
W.J. Harvey and F.W. Smith
The genetic algorithm is a comparatively recent addition to methods of optimisation suitable for use in structural design. Its simplicity of approach and directness in discrete variable combinatorics makes it attractive in comparison with more mathematically complex methods. Stochastic processes are used to generate an initial population of individual designs, and the process then applies principles of natural selection/survival of the fittest to find improved designs.
Professor W.M. Jenkins
A number of authors describe one or both of the two possible approaches which may be used to derive the Saint-Venant torsional stiffness of a general structural section. For the purposes of this discussion, the stress function approach is used, but the principles may be applied just as easily to the alternative displacement formulation.