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A significant amount of structural mechanics' problems is associated with structures working under dynamic loading conditions; however the majority of the existing methods of the solution of dynamic tasks simplifies slightly parameters of model which describes a real building structure. As a rule, a uniform damping model is selected or internal friction is not considered. Number of degrees of freedom is limited; dimensions of the distributed masses are often neglected. External actions are simulated simplistically...

There are a lot of structural mechanics' problems which associated with buildings working under dynamic loading conditions; many existing methods of the solution of dynamic tasks consider a simplified model of a real building. Normally internal friction is not considered. Number of degrees of freedom is limited. Exitation forces are simulated simplistically: system's response to a single (usually instant) impulse is investigated, more complex loadings (groups of impulses) are being studied for a single-degree-of-f...