496 research outputs found
Frequencies and modes for shells of revolution (FAMSOR)
Using stiffness matrix and lumped-mass representation specified number of natural frequencies are obtained using inverse iteration method. Mode shapes for each frequency are also obtained. These frequencies and mode shapes can be found in reasonable periods of computer time utilizing this code
Stochastic nonlinear differential equation generating 1/f noise
Starting from the simple point process model of 1/f noise we derive a
stochastic nonlinear differential equation for the signal exhibiting 1/f noise
in any desirably wide range of frequency. A stochastic differential equation
(the general Langevin equation with a multiplicative noise) that gives 1/f
noise is derived for the first time. The solution of the equation exhibits the
power-law distribution. The process with 1/f noise is demonstrated by the
numerical solution of the derived equation with the appropriate restriction of
the diffusion of the signal in some finite interval.Comment: 3 figure
An Archaeological Survey of a Pipeline Right-of-way along Loop 1604 from IH-37 to the San Antonio River, Southeast Bexar County, Texas
In February 1997, the Center for Archaeological Research (CAR) of The University of Texas at San Antonio was contracted by the San Antonio Water Systems (SAWS) to conduct an intensive archaeological survey and geomorphological study along a proposed 5 .5-km water main right-of-way, from the junction of ill -3 7 and Loop 1604 to the San Antonio River in southeast Bexar County. Upon completion of a 1 DO-percent pedestrian survey, 10 backhoe trenches, and 152 shovel tests, CAR concluded that no significant cultural remains would be impacted by excavations for the proposed water main, and recommends that no further archaeological work is required prior to construction.
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