...., M.Sc.,Assoc. M. Inst. C.E. IN the design of structures which includeredundant elements, engineers generally tend to make assumptions, sometimes more or less justified, which enable such structures to be treated as simple staticallydeterminatestructures.The use of the theory of elastic energy, which...

... of the deformations of framed structures, andofthe stress-distribution due to externally-applied forces and t,emperature- changesin statically-indeterminateframed structures-especially aircraft structures-incontinuousbeams, metalarchedribs,etc. Such problems as these are treated in many English textbooks...