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Finding the exact solution of boundary and eigenvalue problems in the case where the boundary configuration is not natural to one of the common co-ordinate systems for which the governing partial differential equation can be solved by the standard method of separation of variables is, in general, out of the question. Approximate methods such as finite differences, finite elements, collocation, etc. must be used. It has been shown by several authors that the conformal mapping technique provides a suitable approach for analysing bending, buckling and vibration problems of thin elastic plates.
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The paper outlines the concept initially adopted in redesigning a method of system building for large panel structures and describes tests carried out to ensure the compliance of the proposed system with the Building (Fifth Amendment) Regulations. Full scale tests to failure were carried out on vertical shear joints, horizontal flank-wall joints and individual wall and floor components. In addition, assemblies of components and joints were subjected to static internal loadings. A design approach based on observed behaviour is outlined and discussed with reference to present design requirements.
V. Watson and M.J.S. Hirst