The existing industrial parts feeders move the parts through a sequence of mechanical lters that reject parts in unwanted orientations. In this paper we develop a new apparatus that uses a novel vibratory mechanism to systematically manipulate parts, by actively orienting and localizing them. These new automation designs promise great exibility, speed, and dexterity| we believe they may be empl...

We present preliminary results from a two-particle intensity interferometry analysis of charged pions and neutral kaons emitted from Au+Au collisions at √ s NN = 130 and 200 GeV measured in the STAR detector at RHIC. The dependence of the apparent pion source on beam energy, multiplicity, transverse momentum and emission angle with respect to the reaction plane are discussed.

Sonoelasticity imaging uses low-frequency (100-Hz) viSince low-frequency longitudinal waves have wavelengths that brations in tissue and Doppler imaging of vibration patterns to detect are too large compared with organs of interest at the frequencies and define hard tumors. Fundamental theoretical considerations of used in sonoelasticity imaging [3], we have chosen to concentrate sonoelasticity...

This paper examines the influence of collision scenario random variables on the extent of predicted damage in ship collisions. Struck and striking ship speed, collision angle, striking ship type and striking ship displacement are treated as independent random variables. Other striking ship characteristics are treated as dependent variables derived from the independent variables based on relatio...

The paper discuses the effect of initial stresses on the reflection coefficients of plane waves in a dissipative medium. Basic governing equations are formulated in context of Biot's incremental deformation theory. These governing equations are solved analytically to obtain the dimensional phase velocities of plane waves propagating in plane of symmetry. Closed-form expressions for the reflecti...

Application of the parabolic equation method to wave propagation problems implies that the propagation direction of all major components of the wave field must be confined to some narrow band of directions centered on a prechosen principal propagation direction. The allowed directional bandwidth is then delimited by the maximum allowed error in the principal direction wavelength when a transver...

A relativistic Eulerian Vlasov code is presented to simulate laser-plasma interactions. Eulerian Vlasov codes have a very low noise level and allow detailed analysis of lowdensity regions of phase-space. The code we present is 1D (one space dimension x and one momentum dimension px) with a fluid momentum py, and includes both ion and electron dynamics. The laser is incident from the left as a t...

We investigate the interaction of magnetohydrody-namic waves with plasma density inhomogeneities. Our numerical study of the full MHD equations shows that: (A) Plasma density inhomogeneities are a source of non-linear generation of transverse com-pressive waves by a plane Alfvén wave, and substantially enhance (by about a factor of 2) the generation of the longitudinal compressive waves. (B) At...

We numerically investigate the interaction between propagating spin waves and a transverse domain wall in a nanowire by using micromagnetic simulations. In order to understand the mechanisms that lead to domain wall motions, we calculate domain wall velocity in a defect-free nanowire and the depinning fields for a pinned domain wall that is depinned in and against the direction of the spin-wave...

We present results of a search in 929 ± 56 pb −1 of p¯ p collisions at 1.96 TeV for the anomalous production of events containing a charged lepton (ℓ, either e or µ) and a photon (γ), both with high transverse momentum, accompanied by additional signatures, X, including missing transverse energy (E T) and additional leptons and photons. We use the same selection criteria as in the previous CDF ...