This submission presents the results of a preliminary numerical study of an un-tensioned spiral-strand cable subjected to explosively formed fragment impact. An effective approach to generate finite element models of multi-layer spiral-strands with complex contact conditions has been devised. The modified Johnson-Cook model coupled with the Cockcroft-Latham fracture criterion was used to model ...

Consumers and customers typically reject fully-cooked chicken that has a red/bloody appearance even if the product is otherwise safe and wholesome. Unfortunately, chicken parts and whole bird products may exhibit this problem on a consistent basis. This study was conducted to intentionally induce a red/bloody appearance in fully-cooked chicken to create a model for studying methods to control t...

Will Briggs and Diane Cook Department of Computer Science and Engineering University of Texas at Arlington Arlington, TX 76019 U. S. A. [email protected], [email protected] Abstract Although communication is generally considered to dominate over processing cost in distributed systems, the problem of communication cost in multiagent planning has not been su ciently addressed. One method...

Graphical methods based on dimension-reduction subspaces for regression problems (Cook 1994) may be useful for studying the relative importance of inputs in computer models of physical systems. Sliced inverse regression (Li 1991), principal Hessian directions (Li 1992), ceres plots (Cook 1993), and inverse response plots (Cook and Weisberg 1994) are recent methods that can identify characterist...

We revisit the proof of Cook & Rackoff that Jumping Automata on Graphs (JAGs) cannot decide reachability in undirected graphs. Cook & Rackoff prove this result by constructing, for any given JAG, a graph, which cannot be traversed exhaustively by the JAG. In this paper we show how this result can be abstracted and modularised, so that it can be formalised in the theorem prover Coq. We demonstra...

The genus Abrhexosa Freeman is reported for the first time from Mexico, with the description of a new species, A. patriciae sp. nov., very close to A. panamensis (Cook, 1956). Two new species of the genus Swammerdamella Enderlein, 1912 from Mexico are described and illustrated: Swammerdamella amorimi sp. nov. and S. amacuzacae sp. nov. Swammerdamella mojingae Cook, 1956 is reported for the firs...

Cook County Hospital, like many hospitals in the U.S. and worldwide, is pursuing a developing strategy to combat healthcare-associated infections (HAIs). Annually, the human toll in the U.S. is approximately two million infected, of which over 100,000 die. An interdisciplinary team of researchers from Georgia Tech, the CDC, and Cook County Hospital, with backgrounds in engineering, economics an...