Mathematical modeling and computer simulation of elevated foundations supporting vibrating machinery

Structures supporting machines which give rise to dynamic loads must be carefully analyzed and designed to assure satisfactory performance. These highly complex systems must be reduced to mathematical and computer models which will behave in a similar fashion as the structure-machine-soil prototype. Four models are considered and a comparison of significant results is given. A lumped-mass model with complete soil-structure interaction (Model D) is recommended for best overall results provided a high speed digital computer and software is available.