natural period

For some systems the natural period changes with time.

He said that the site’s goal was to extend the tournament’s mania beyond its natural period.

He was, according to his nephew, "of a delicate constitution having been born earlier than the natural period".

As technical experts have already pointed out a natural period of time is needed for the power plant to go through tests."

This selective response to its natural period of vibration is called resonance.

The shorter one is stronger and so we may suppose that the natural period is less than 5 years.

Beaches and dunes have natural periods of growth and erosion.

Hullett said there is a natural period of decompression after returning from combat zones.

For some reason, though, Ms. Giannini didn't allow this natural period of adjustment to take place.

Key words: soil–structure interaction, TV-towers, natural period, base forces, foundation flexibility.

A seiche is the free oscillation of the water in a closed or semi-enclosed basin at its natural period.

The results are presented to show the effect of damping, natural period, and the particular response spectrum for different shear wall–frame stiffness proportions.

For such a complex system, wherein several natural periods are contributing to the total response, a range of wave periods is considered.

Key words: masonry infills, seismic behaviour, natural periods, frame structures.

At my suggestion and with the medical system's concurrence, Aybee extended her natural period of unconsciousness.

An empirical method has been developed to predict the fundamental natural period of a multistory, multibay frame.

It is seen that the natural periods of the structure are such that the dynamic effects do not magnify the static response.

After all, Aurora must have a natural period of revolution about its sun that controls the cycle of its seasons.

Inconsistency in Shop When Beam came on to run things in 1990, there was a natural period of adjustment.

Because the original home-planet of humanity had certain natural periods of rotation and revolution from which those relationships could be derived, say a very few.

Forced oscillatins corresponding to the sea period and differing from the natural period at which the vessel seems to move should be disregarded.

It was found that the foundation flexibility increases the natural periods, alters the natural mode shapes, and decreases the base bending moment.

Simple analytical expressions are presented to evaluate the natural period of these types of structures with varying number of bays and stories.

Comparison of the dynamic properties (natural periods) of a structure before and after an earthquake may give an indication of hidden damage.

Average values of beam stiffness, column stiffness, story height, and mass per story are used to enter charts from which the natural period is determined.