Abstract: In earlier investigations, the author used extensions of two theorems of G. Strang to derive bounds on the displacements of a symmetric damped linear mechanical system subject to prescribed ...

Abstract: The well-known Ziegler-Nichols method for tuning controllers has been used for 50 years. Since it is still popular, the time is ripe for a reappraisal. It is shown that the Ziegler-Nichols ...

Abstract: Emerging technologies, uncertain legal doctrines, the trend toward increasing litigation, and the lack of insurance have forced many companies to assess risks more carefully and to reemphasize loss prevention programs. ...

Abstract: Most heterogeneous computer aided design (CAD) representations in the literature represent materials using a volume fraction vector, which may not by physically realizable or meaningful. In contrast, the multiscale, ...

Abstract: Trends in the timing of snowmelt and associated runoff in Colorado were evaluated for the 1978?2007 water years using the regional Kendall test (RKT) on daily snow-water equivalent (SWE) data from snowpack telemetry (SNOTEL) ...

Abstract: Existing models of tidal motion in narrow, uniform channels are improved by incorporating a spatial application of Lorentz' principle of equivalent work into the characteristic velocity and tidal friction factor estimates ...

Abstract: The quasi-geostrophic omega equation is employed to perform a diagnostic case study of the baroclinic structure of a developing system. The model employs height data at ten pressure levels to obtain the vertical motion ...