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    السبت، 13 أغسطس، 2016

    Examples in Structural Analysis


    Examples in Structural Analysis


    The design of structures, of which analysis is an integral part, is frequently undertaken
    using computer software. This can only be done safely and effectively if those
    undertaking the design fully understand the concepts, principles and assumptions on
    which the computer software is based. It is vitally important therefore that design
    engineers develop this knowledge and understanding by studying and using handmethods
    of analysis based on the same concepts and principles, e.g. equilibrium, energy
    theorems, elastic, elasto-plastic and plastic behaviour and mathematical modelling.
    In addition to providing a mechanism for developing knowledge and understanding,
    hand-methods also provide a useful tool for readily obtaining approximate solutions
    during preliminary design and an independent check on the answers obtained from
    computer analyses.

    The methods explained and illustrated in this text, whilst not exhaustive, include those
    most widely used in typical design offices, e.g. method-of-sections/joint resolution/unit
    load/McCaulay’s method/moment distribution/plastic analysis.
    In Chapter 7 a résumé is given of the direct stiffness method; the technique used in
    developing most computer software analysis packages. The examples and problems in
    this case have been restricted and used to illustrate the processes undertaken when using
    matrix analysis; this is not regarded as a hand-method of analysis.

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