986 resultados para SA-CMM


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Tugann an staidéar taighde aghaidh ar an dátheangachas i bPoblacht na hÉireann agus go háirithe ar thuairimí dhaoine óga dátheangacha sa 21ú haois. Is é cuspóir an staidéir ná iniúchadh a dhéanamh ar mheonta déagóirí Éireannacha dátheangacha i leith na Gaeilge agus a gcuid aitheantais mar dhéagóirí dátheangacha. Déanann an staidéar anailís ar mheonta daltaí a fhreastalaíonn ar iar-bhunscoileanna lán-Ghaeilge. Féachtar ar thuairimí tuismitheoirí, múinteoirí agus iar-scoláirí freisin. Is í príomhcheist an staidéir seo ná: Cad iad meonta déagóirí Éireannacha dátheangacha i leith teanga na Gaeilge agus cad iad a n-aitheantais mar Éireannaigh óga dátheangacha? Baineadh úsáid as modhanna cáilíochtúla idir agallaimh, agallamh grúpa, scríbhneoireacht phearsanta agus ríomhphoist chun eolas a bhailiú i scoil an staidéir cháis. Roghnaíodh modh cainníochtúil an cheistneora náisiúnta chun cur leis an eolas. Tugann an taighde le tuiscint go mothaíonn déagóirí Éireannacha dearfach faoi theanga na Gaeilge agus faoin a gcuid aitheantais mar dhaoine dátheangacha. Léiríonn torthaí an taighde gurb ionann teanga na Gaeilge dóibh agus seoid luachmhar a sholáthraíonn buntáistí, deiseanna agus féidearthachtaí dóibh. Maidir le cruthú aitheantais, chuaigh formhór na ndéagóirí i scoil an staidéir cháis i dtreo a ndá ghrúpa teangeolaíochta agus chruthaigh siad “linguistic brokerage” (Shenk, 2008) a tharraing a taobh Gaelach is Béarla le chéile. Mothaíonn formhór na ndéagóirí dátheangacha seo go bhfuil aitheantas amháin acu ach go bhfuil an dá theanga, an dá chultúr agus an dá pháirt dá saoil mar pháirt den gcomhaitheantas sin. Ach ba léir go raibh éagsúlachtaí i measc na rannpháirtithe freisin. Tacaíonn torthaí an taighde le gnéithe den litríocht ar a rinneadh athbhreithniú chun ról lárnach na teanga i gcruthú aitheantais an déagóra a léiriú. Cuireann an taighde seo leis an réimse toisc go soláthraíonn sé eolas luachmhar agus fiúntach faoin dátheangachas agus aitheantas i bPoblacht na hÉireann sa 21ú haois.

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This dissertation centres on philosophical attitudes presented by North Indian classical musicians in relation to the concept and experience of rāga improvisation. In Hindustāni music, there is a dynamic tension ideology and pragmatism, devotion and entertainment, fixity and improvisational freedom, and cognition and visceral experience. On one hand, rāga is an embodied methodological template for the creation of music. On the other hand, rāga improvisation is conceptualised as a path to metaphysical experience and as an evocation of an ineffable divine presence. A masterful rendition of rāga is both a re-enactment of a systematic prescribed formula and a spontaneous flow of consciousness. This study presents these apparent dichotomies to highlight ideological concerns, while simultaneously contextualising philosophical idealism in relation to pragmatic realities. A central paradigm is the manner in which pragmatic concerns are elevated in status and given spiritual significance. The dissertation begins with a view into historical and religious context. The discussion continues with a speculative investigation positing co-relations between Hindustāni music and central tenets of Indian philosophy, considering how rāga improvisation may manifest as a philosophy of sound. The study then explores the concept of rāga, a modal and conceptual construct that forms the heart of Indian classical music. The final three sections ground the subject of spiritual ideology within the life experience of Hindustāni musicians: ‘Transmission’ looks at the learning and enculturation process, which encapsulates values intrinsic to the ethos of Hindustāni music culture. ‘Practice’ explores the discipline, science and experience of musical practice, revealing core ideological concerns connecting spirituality to musical experience; and ‘Performance’ examines the live presentation of rāga improvisation, and the relationship between music as ‘entertainment’ and music as ‘devotion’. Both ethnographic and musicological, this research is the culmination of various fieldtrips to India, extensive interviews with Hindustāni musicians, fifteen year’s sitār training, and the study of relevant musicological and philosophical texts.

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Is éard atá curtha romham agam sa tráchtas seo ná an t-úrscéal iar-nua-aoiseach sa Ghaeilge a phlé; chun aitheantas a thabhairt don seánra mar rud ar leith; chun a fhréamhacha a aimsiú agus a thréithe sainiúla a léiriú. Féachaim anseo lena léiriú go bhfuil baint shainiúil ag an úrscéal iar-nua-aoiseach sa Ghaeilge le stair shochteangeolaíoch agus liteartha na hÉireann. Chruthaigh scríbhneoirí Béarla na hÉireann, ar nós Joyce, Beckett agus Flann O’Brien (Brian Ó Nualláin), cur chuige liteartha a raibh toradh ollmhór aige ar chúrsaí liteartha an domhain – go háirithe sa chomhthéacs (iar)-nua-aoiseach. Léireoidh mé gur tháinig an cur chuige seo chun cinn de bharr an choibhnis shainiúil atá ag muintir na hÉireann le teanga – coibhneas atá ginte i nguagacht faoin rud is teanga féin ann. Áitím gur eascair an ghuagacht seo as an athrú stádais – ó phríomhtheanga go mionteanga – a tharla don Ghaeilge. Áitím gur cruthaíodh feasacht ar fholús i bhféiniúlacht na tíre nuair a tharla an t-athrú sin agus go raibh tionchar ag an bhfeasacht seo ar litríocht na hÉireann – idir Ghaeilge agus Bhéarla. Is minic a fhéachann an túrscéal iar-nua-aoiseach, i ngach teanga ina gcleachtar a leithéid, le staidéar a dhéanamh ar na slite ina gcruthaítear brí sa saol trí theanga agus trí reacaireacht. Murab ionann is a mbíonn i gceist san úrscéal ‘traidisiúnta’ – an t-úrscéal ‘réadach’ mar a tuigtear leis – glacann iar-nua-aoiseachas leis go bhfuil solúbthacht agus saorgacht i ngach léiriú ar an mbrí seo. Léiríonn na húrscéalta atá faoi chaibidil sa tráchtas seo an-doimhneacht liteartha. Is saothair fhéinchomhfhiosacha agus mheitificseanúla iad a thaispeánann éiginnteacht i leith brí absalóidigh. Oibríonn siad mar léiriú ar fheidhm na teanga sa saol agus ar na slite ina gcruthaíonn gach reacaireacht a fírinne féin. Cé gur tréithe iar-nua-aoiseacha iad siúd, is tréithe iad chomh maith a bhaineann le stádas na mionteanga.

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This paper details the prototyping of a novel three axial micro probe based on utilisation of piezoelectric sensors and actuators for true three dimensional metrology and measurements at micro- and nanometre scale. Computational mechanics is used first to model and simulate the performance of the conceptual design of the micro-probe. Piezoelectric analysis is conducted to understand performance of three different materials - silicon, glassy carbon, and nickel - and the effect of load parameters (amplitude, frequency, phase angle) on the magnitude of vibrations. Simulations are also used to compare several design options for layout of the lead zirconium titanate (PZT) sensors and to identify the most feasible from fabrication point of view design. The material options for the realisation of the device have been also tested. Direct laser machining was selected as the primary means of production. It is found that a Yb MOPA based fiber laser was capable of providing the necessary precision on glassy carbon (GC), although machining trials on Si and Ni were less successful due to residual thermal effects.To provide the active and sensing elements on the flexures of the probe, PZT thick films are developed and deposited at low temperatures (Lt720 degC) allowing a high quality functional ceramic to be directly integrated with selected materials. Characterisation of the materials has shown that the film has a homogenous and small pore microstructure.

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This paper presents research for developing a virtual inspection system that evaluates the dimensional tolerance of forged aerofoil blades formed using the finite element (FE) method. Conventional algorithms adopted by modern coordinate measurement processes have been incorporated with the latest free-form surface evaluation techniques to provide a robust framework for the dimensional inspection of FE aerofoil models. The accuracy of the approach had been verified with a strong correlation obtained between the virtual inspection data and coordinate measurement data from corresponding aerofoil components.