Results 21 to 30 of about 2,199,917 (306)

Lambda Boo stars with composite spectra [PDF]

, 2004
We examine the large sample of lambda Boo candidates collected in Table 1 of Gerbaldi et al. (2003) to see how many of them show composite spectra. Of the 132 lambda Boo candidates we identify 22 which definitely show composite spectra and 15 more for ...
Abt, Andrievsky, Baschek, Bidelman, Bohlender, Charbonneau, Donati, Dravins, E. Caffau, Ebersberger, Faraggiana, Faraggiana, Faraggiana, Faraggiana, Faraggiana, Gerbaldi, Gerbaldi, Gray, Gray, Gray, Grenier, Griffin, Hauck, Hauck, Heacox, Holweger, Holweger, Kamp, Kamp, King, Koen, Künzli, Liu, M. Gerbaldi, M. Nonino, Maitzen, Maitzen, McAlister, Michaud, Moon, Napiwotzki, P. Bonifacio, Paunzen, Paunzen, Paunzen, Paunzen, Penprase, Penprase, R. Faraggiana, Renson, Royer, Sargent, Simon, Stürenburg, Turcotte, Venn, Vogt, Waters, Wolff, Worley   +59 more
core   +1 more source

Tropical Easterly Waves Over Costa Rica and Their Relationship to the Diurnal Cycle of Rainfall

Geophysical Research Letters, 2023
Using an index of tropical easterly wave (TEW) activity derived from spacetime‐filtered outgoing longwave radiation, we construct composites of long‐term hourly surface meteorological observations and morningtime sounding data collected near San José ...
Rani M. Wiggins, Benjamin R. Lintner, Yolande L. Serra, Ana María Durán‐Quesada, Marcial Garbanzo‐Salas, Daniel Hernández‐Deckers, Giuseppe Torri   +6 more
doaj   +1 more source

Locking-free two-layer Timoshenko beam element with interlayer slip [PDF]

, 2007
A new locking-free strain-based finite element formulation for the numerical treatment of linear static analysis of two-layer planar composite beams with interlayer slip is proposed.
Ayoub, Ayoub, Cowper, Dall’Asta, Dall’Asta, Dall’Asta, Dall’Asta, Fabbrocino, G. Turk, Girhammar, Girhammar, Goodman, Goodman, I. Planinc, Jasim, Jasim, M. Saje, Newmark, Planinc, Ranzi, Ranzi, Reddy, Reissner, S. Schnabl, Salari, Schnabl, Timoshenko, Vratanar, Čas, Čas   +29 more
core   +2 more sources

Composite structural materials [PDF]

The use of filamentary composite materials in the design and construction of primary aircraft structures is considered with emphasis on efforts to develop advanced technology in the areas of physical properties, structural concepts and analysis ...
Ansell, G. S., Loewy, R. G., Wiberley, S. E.   +2 more
core   +10 more sources

Loss of Persistence of the North Atlantic Oscillation and its Biological Implication

Frontiers in Ecology and Evolution, 2014
Winter sea-level pressure fields in the northern hemisphere were analysed with respect to regimes and regime shifts (RS). Classification of the North Atlantic Oscillation (NAO) patterns resulted in the identification of two longer lasting climate regimes:
Joachim W. Dippner, Caroline eMöller, Ingrid eKröncke   +2 more
doaj   +1 more source

Statistical Analysis of Composite Spectra

, 2004
We consider nearest neighbor spacing distributions of composite ensembles of levels. These are obtained by combining independently unfolded sequences of levels containing only few levels each. Two problems arise in the spectral analysis of such data. One
A.Y. Abul-Magd, Abd El-Hady, Abul-Magd, Abul-Magd, Abul-Magd, Abul-Magd, Abul-Magd, Abul-Magd, Alhassid, Alt, Barbosa, Biswas, Bogomolny, Bohigas, Brody, Camarda, Date, Ellegaard, Enders, Flambaum, Garrett, Guhr, H.A. Weidenmüller, H.L. Harney, Haller, Harney, Harney, Izrailev, Jeffreys, Jeffreys, Kass, Leitner, M.H. Simbel, Mehta, Mitchell, Prosen, Raman, Richens, Rosenzweig, Shriner, Shriner, von Egidy, Zimmermann   +42 more
core   +1 more source

Compositional timing analysis [PDF]

Proceedings of the seventh ACM international conference on Embedded software, 2009
We develop and implement a methodology for automatic abstraction of systems defined as networks of timed components modeled by timed automata. The abstraction technique yields an abstract model with much less clocks and states which over-approximate the timed behavior of the concrete system.
Ramzi Ben Salah, Marius Dorel Bozga, Oded Maler   +2 more
openaire   +1 more source

Composite Weak Bosons: a Lattice Analysis

, 1994
We present a lattice analysis of a confining Yang-Mills theory without Goldstone boson. We have analytically investigated the model by a strong coupling expansion and by an intensive lattice Monte Carlo simulation using standard lattice QCD methods.
't Hooft, A. Galli, Alexandrou, Berg, Buchmüller, Claudson, Di Vecchia, Gipson, Glashow, Güsken, Itho, Itho, Itho, Nussinov, Peskin, Salam, Schlereth, Teper, Vafa, Weinberg, Weinberg, Weingarten, Wilson, Witten   +23 more
core   +1 more source

Flutter Characteristics of a Modified Z-Shaped Folding Wing Using a New Non-Intrusive Model

Aerospace
Unmanned aerial vehicles (UAVs) with folding wings can serve in multiple mission profiles, usually accompanied by sudden changes in flight speed. These bring great challenges to the aeroelastic design of UAVs, especially in the calculation of flutter ...
Wuchao Qi, Shimiao Wu, Sumei Tian
doaj   +1 more source

WAAM-Fabricated Laminated Metal Composites

Metals, 2021
Laminated metal composites are a promising design since the hybrid design enables superior and tailorable material properties compared with bulk material.
Niclas Spalek, Jakob Brunow, Moritz Braun, Marcus Rutner   +3 more
doaj   +1 more source