11,401 research outputs found
3-D seakeeping analysis with water on deck and slamming. Part 2: Experiments and physical investigation
No full textA synergic 3-D experimental and numerical investigation is conducted for wave-ship interactions involving the water-on-deck and slamming phenomena. The adopted solver has been developed in Greco and Lugni (in press) and combines (A) a weakly nonlinear external solution for the wave-vessel interactions with (B) a 2-D in-deck shallow-water approximation, which describes water shipping events, and (C) a local analytical analysis of the bottom-slamming phenomenon. This solver can handle regular and irregular sea states and vessels at rest or with limited speed. The experiments examine a patrol ship at rest or with forward speed that is free to oscillate in heave and pitch in regular and irregular waves. In this study, the head-sea regular-wave conditions are examined in terms of (1) response amplitude operators (RAOs) and relative motions, (2) occurrence, features and loads of water-on-deck, bottom-slamming and flare-slamming events and (3) added resistance in waves. A systematic and comprehensive analysis of the phenomena is made available in terms of the Froude number, incoming wavelength-to-ship length ratio and wave steepness for the examined ship geometry. The main parameters that affect the global and local quantities are identified and possible danger in terms of water-on-deck severity and structural consequences are determined. Different slamming behaviors were identified, depending on the spatial location of the impact on the vessel: single-peak, church-roof and double-peak behaviors. A bottom-slamming criterion, using the Ochi's (1964) velocity condition and the Greco and Lugni's (2012) pressure condition, is assessed. A statistical analysis of more than 100 events is needed for the bottom-slamming pressure peaks. The numerical solver is promising. The major discrepancies with the experiments are discussed, and the importance of viscous hull damping and flare impact for the most violent conditions is emphasized. Inclusion of these effects improved the numerical solution. (C) 2012 Elsevier Ltd. All rights reserved
Manuel B. Cossío, El Greco
No full textMérimée Ernest. Manuel B. Cossío, El Greco. In: Bulletin Hispanique, tome 10, n°1, 1908. pp. 102-104
Manuel B. Cossío, El Greco
No full textMérimée Ernest. Manuel B. Cossío, El Greco. In: Bulletin Hispanique, tome 10, n°1, 1908. pp. 102-104
Per una tipologia dei composti del greco
No full textQuesto lavoro si propone un duplice obiettivo: a) applicare ai composti del greco antico alcuni dei nuovi criteri di classificazione, al fine di iniziare a formularne lo studio in un’ottica tipologica; b) chiedersi quale contributo lo studio di una lingua fusiva come il greco antico possa apportare alla costruzione di modelli classificatori generali all’interno della morfologia
The language of gestures in some of El Greco's altarpieces
No full textThis study explores El Greco's language of gestures. The first part will explain the
preconditions for the general development towards rhetorical gestures and draw
parallels with El Greco's artistic development in the sphere of gestures. In addition,
handbooks on gestures are introduced. The second part will analyse how El Greco
applied gestures, using examples of his paintings .. It will reveal how El Greco
developed some gestures over more than thirty years, and how he creates with their
help an intense concentrated mood in his paintings. It will also demonstrate how he
worked by means of hyperbole to evoke an inspiring atmosphere, how he created
space with the help of gestures and gaze, and how he transformed the meaning of
some 'model' gestures he took over from famous Italian painters. Finally, this work
seeks to renew and intensify the analysis of gestures in painting as a way of
approaching the paintings and revealing layers of meaning that can not be found by an
analysis solely focused on iconographic topics. In this study the body is taken as a
mediator of signs, difficult to read, but decipherable. This study is intended to be a
step forward in approaching a deeper understanding of the codified language of
gesture. It should open the way to an intensified concern with the language of
gestures, with the reading of bodily signs in paintings
PER UNA TIPOLOGIA DEI COMPOSTI DEL GRECO
No full textAll’interno dello studio dei processi morfologici primari in greco antico, alla composizione è stato concesso minor spazio che alla flessione e alla derivazione, nonostante si tratti di un fenomeno di ampia rilevanza nell'ambito delle strategie di cui il greco dispone per la formazione delle parole. Negli ultimi anni, nella linguistica generale, si è assistito a un rinnovato interesse per la tematica dei
composti e i morfologi hanno imputato alla classificazione classica – in composti copulativi o dvandva, possessivi o bahuvrihi, determinativi o karmadharaya, di reggenza o tatpurusa – il difetto di aver portato a individuare classi non del tutto complementari, in quanto non reciprocamente esclusive. In questo quadro, gli studi più recenti cercano di individuare dei parametri di classificazione che tengano conto non soltanto della comparazione genetica, ma anche di quella tipologica. All’interno di questi studi, tuttavia, non sono di norma contemplate le lingue classiche. Questo lavoro si propone un duplice obiettivo:
a) applicare alcuni dei nuovi criteri di classificazione al greco antico, al fine di iniziare a formulare lo studio dei composti in un’ottica tipologica (tentativo mai esperito in precedenza in letteratura);
b) chiedersi quale contributo lo studio di una lingua fusiva come il greco antico possa apportare alla costruzione di modelli classificatori generali all’interno della morfologia
A Note on Bifurcation for Harmonic Maps on Annular Domains
No full textIn this paper we consider harmonic maps u(r, theta) from an annular domain Omega(rho) = B-1\(B) over bar (rho) to S (2) with the boundary conditions: u(rho, theta) = (cos theta, sin theta, 0) and u(1, theta) = (cos (theta +theta(0)), sin (theta +theta(0)), 0), where theta(0) is an element of [0, pi[ is a fixed angle. This problem arises from the theory of liquid crystals. We prove, with elementary time map arguments, a bifurcation result, namely the existence of a not trivial (that is not planar) harmonic map of minimum energy u(theta 0), for suitable combination of value of rho and theta(0). This result improves the one in Greco (Proc Am Math Soc 129(4):1199-1206, 2000). In the case theta(0) = pi, so that u(1, theta) = (-cos theta, -sin theta, 0), no bifurcation occurs, since the minimum of the energy is not trivial, and we study the behavior of the harmonic maps u(theta 0) as theta(0) -> pi
Republican amphorae in the Auvergne central France
No full textThis thesis studies Republican amphoraefrom late Iron age (c. 200-1 BC) sites from the Auvergne (central France). The morphology, dating and contents of Greco-Italic, Dressel 1 and Lamboglia 2 amphorae, and the morphology of Republican amphoraefrom Mediterranean shipwrecks are reviewed. The morphology of 28 Republican amphorae assemblages from
the Auvergne are described in detail and compared with 44 assemblages from Western Europe. A detailed programme of fabric analysis,using thin-sectioning, of 408 rim sherds,has created96 fabric groups,many of which have been assigned to specific kilns. The distribution of Republican
amphorae in the Auvergne and for the whole of France is studied and discussed. The role of amphorae in socio-economic change,the accessto amphorae, the deposition of amphorae and the importation of other Mediterranean imports (Campanian wares,mortaria andpate claires) in the Auvergne is addressed. Assemblages of Republican amphorae stamps from the Auvergne and the rest of Franceare compared by analysing the types of stamps,their placement, stamping rates and their place of origin. The Republican wine trade to the Auvergne started during the second century BC when small numbers of Greco-Italic amphoraewere imported and the large-scale importation of Dressel I amphorae occurred after c.150/140BC. A high proportion of the amphoraecame from the Etrurian kilns of Albinia and Cosa. Republican amphoraewere widely distributed in the Auvergne during the second century BC with 203 findspots and are found in large numbersat several sites
Greco in Oz
No full textAn overseas trip provides adventure, self-discovery, and a measure of healing to the author
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