8.4 CLOSING REMARKS
Three-dimensional stress analysis has been presented in this chapter. For axi-symmetric loading, it has been shown that the three-dimensional problem can be effectively reduced to two-dimensional one by expanding the loading using Fourier series. Two-dimensional analysis can be performed for each term in the Fourier series by taking one term at a time. The final solution can then be obtained by superposing results obtained for individual terms. Isoparametric formulations have been presented for axi-symmetric solids. Formulation for an 8-node isoparametric element has also been presented for analysis of three-dimensional solids. Formulations have been implemented in computer program sfeap, which has been discussed later. Few ...
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