Now showing items 1-10 of 749
PSPACE-completeness of Modular Supervisory Control Problems*
(Kluwer Academic Publishers; Springer Science + Business Media, Inc., 2005-06)
In this paper we investigate computational issues associated with the supervision of concurrent processes modeled as modular discrete-event systems. Here, modular discrete-event systems are sets of deterministic finite-state ...
Effect of fiber inclination on crack bridging stress in brittle fiber reinforced brittle matrix composites
(Elsevier, 1992-08)
behavior of brittle matrix composites is strongly affected by the bridging of cracks by fibers. In random fiber composites, fibers can lie at an angle to the crack plane. Under such conditions, the bridging stress for a ...
Extensional flow behavior of polymer solutions and particle suspensions in a spinning motion
(Elsevier, 1974-06-17)
Mechanical spinning of fluid filaments was used to generate an extensional flow, in which rheological measurements were obtained for a Newtonian fluid, two aqueous polymer solutions, and two fluid suspensions of rod-shaped ...
Topology Optimization of Thermally Actuated Compliant Mechanisms Considering Time-Transient Effect
(Elsevier, 2003-12-02)
Thermal transducers, which can be regarded as thermally actuated compliant mechanisms, have found a wide range of applications, due to easy accessibility of heat source, and due to their good controllability and reliability. ...
Entropic efficiency of energy systems
(Elsevier, 1992)
Thermodynamic foundations of the thermal entropy production are rested on the concept of lost heat, (Q/T)[delta]T. The thermomechanical entropy production is shown to be in terms of the lost heat and the lost work as where ...
Local Compression in Automated Breast Ultrasound in the Mammographic Geometry
(IEEE, 2010-10-11)
Background, Motivation and Objective: Automated ultrasound scanning (AUS) of the breast has developed more slowly than anticipated. The main limitation, beyond achieving adequate acoustic coupling to the breast, has been ...
Non-uniform extension of a non-linear viscoelastic slab
(Elsevier, 1992)
The non-uniform extension of a slab of a non-linear viscoelastic solid is studied. Two boundary value problems are solved, one with deformation prescribed at the upper boundary and the other with the traction prescribed. ...
An application of bubble collapse pulse height spectra to venturi cavitation erosion of 1100-o aluminum
(Elsevier, 1985-05-15)
Venturi cavitation erosion tests were performed and correlated with bubble collapse pulse height spectra measured by a microtransducer. The effects of the throat velocity and the cavitation number [sigma] (referred to the ...
Topology Optimization of Multicomponent Beam Structure via Decomposition-Based Assembly Synthesis
(ASME, 2005-03)
This paper presents a method for synthesizing multicomponent beam structural assemblies with maximum structural performance and manufacturability. The problem is posed as a relaxation of decomposition-based assembly ...