698 research outputs found
Essentials of business law / Ewan MacIntyre.
No full textIncludes bibliographical references and index.xxxiii, 464 pages.
An interpretation of organic architecture with reference to Frank Lloyd Wright
No full textI developed an interest in the subject of this report after becoming familiar with some of the architecture of Wright, Gaudi, and Goff. These architects are commonly grouped under the title of organic.
So what does organic mean here?
During the four years I have been at the Wellington School of Architecture I have never managed to obtain a definition that fitted varied references and associations that I have come across.
This essay attempts to give a definition of organic architecture, focusing on Frank Lloyd Wright who is generally considered to be an organic architect.
The report consists of three parts, the first of which outlines organic theory in general, starting with a broad philosophical interpretation and narrowing down to organic theory as it relates to architecture.
The second part of the report concentrates on Frank Lloyd Wright, his ideas and theories. Case studies are made of six of his house designs to illustrate the development of his architectural theory and how it relates to the buildings he produced.
The third and final section of this report attempts to place Wright into the general definition of organic architecture established in part one
Learning by design workshop
No full textThe Learning by Design Workshop Program 2010, a part of the Queensland Government Unlimited: Designing for the Asia Pacific Event Program, was a one-day professional development design thinking workshop run on October 9, 2011 at The Edge, State Library of Queensland for self-selected public and private secondary school teachers from the subject areas of Visual Art, Graphics and Industrial Technology and Design. Participants were drawn from a database of Brisbane and regional Queensland schools from the goDesign and Living City Workshop Programs. It aimed to generate leadership within schools for design-led education and creative thinking and give teachers a rare opportunity to work with professional designers to generate future strategies for design-based learning.\ud
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Teachers were introduced to the concept of design thinking in education by international keynote speakers CJ Lim (Studio 8 Architects) and Jeb Brugmann (The Next Practice), national speaker Oliver Freeman (NevilleFreeman Agency) and three Queensland speakers, Alexander Loterztain, David Williams and Keith Holledge. Inspired by the Unlimited showcase exhibition Make Change: Design Thinking in Action and ‘Idea Starters’/teaching resources provided, teachers worked with a professional designer (from a discipline of architecture, interior design, industrial design, urban design, graphic design or landscape architecture) in ten random teams, to generate optimistic ideas for the Ideal City of tomorrow, each considering a theme – Food, Water, Transport, Ageing, Growth, Employment, Shelter, Health, Education and Energy. \ud
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They then discussed how this process could be best activated and expanded on to build interest and knowledge in design thinking in the classroom. Assisted by illustrators, the teams prepared a visual presentation of their ideas and process from art materials provided. The workshop culminated in a video-taped interactive design charette to the larger group, which is intended to be utilised as a toolkit and praxis for teachers as part of the State Library of Queensland Design Minds Website Project
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Applied Social Science for Early Years
No full textApplying social science subjects such as psychology, sociology, social policy and research methods to Early Years can help to raise standards and ensure good practice. These subjects inform much of the academic curriculum within many Early Years programmes and are subjects that make an important contribution to understanding children’s behaviour, growth and development. The book identifies, analyses and assesses how social science enriches Early Years as opposed to regarding Early Years and social science as distinct. Each chapter imaginatively introduces the main learning objectives and includes formative activities, which apply social science to particular themes to aid students’ cognitive skills
Generation workshop 2010
No full textThe Generation Workshop Program 2010, a part of the Queensland Government Unlimited: Designing for the Asia Pacific Event Program, consisted of two one-day intensive design thinking workshops run on October 7-8, 2011 at The Edge, State Library of Queensland, for 100 senior secondary students and 20 secondary teachers self-selected from the subject areas of Visual Art, Graphics and Industrial Technology and Design. Participants were drawn from a database of Brisbane and regional Queensland private and public schools from the goDesign and Living City Workshop Programs. \ud
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The workshop aimed to facilitate awareness in young people of the role of design in society and the value of design thinking skills in solving complex problems facing the Asia Pacific Region, and to inspire the generation of strategies for our future cities. It also aimed to encourage the collaboration of professional designers with secondary schools to inspire post-secondary pathways and idea generation for education.\ud
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Inspired by international and national speakers Bunker Roy (Barefoot College) and Hael Kobayashi (Associate Producer on "Happy Feet" film for Australia's Animal Logic), the Unlimited showcase exhibition Make Change: Design Thinking in Action and ‘Idea Starters’/teaching resources provided, students worked with a teacher in ten random teams, to generate optimistic strategies for the Ideal City of tomorrow, each considering a theme – Food, Water, Transport, Ageing, Growth, Employment, Shelter, Health, Education and Energy. \ud
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Each team of 6 was led by a professional designer (from the discipline of architecture, interior design, industrial design, urban design, graphic design or landscape architecture) who was a catalyst for driving the student creative thinking process. Assisted by illustrators, the teams prepared a visual presentation of their idea from art materials provided. The workshop culminated in a video-taped interactive design chatter to the larger group, which will be utilised as a toolkit and praxis for teachers as part of the State Library of Queensland Design Minds Project. Photos of student design work were published on the Unlimited website
We carry the light, comprising : i) Writing in lockdown: exploring the impact of the Covid-19 pandemic on writers' creativity, ii) We carry the light, a family novel set in Scotland during the pandemic
No full textThis paper examines the impact of the Covid-19 pandemic on writers’ practice during the periods that social distancing restrictions were in place. The study focuses on – but is not limited to – the first UK lockdown, which began on 23rd March 2020.
Structured interviews were conducted with five writers, with an additional person responding to the questions in writing. This group included writers of fiction and non-fiction, as well as poets. Interviewees were at various points of their careers, ranging from an undergraduate creative writing student to a prize-winning author who has been publishing for over thirty years. Through these interviews, the impact of the pandemic on writing was explored in three main areas: the impact of emotions on the writing process; the effect Covid had on conditions needed for writing; and the ability of writers to find and/or act on inspiration.
Incorporating evidence from these interviews – as well as from writing anthologies, newspaper articles, and literature relating to the pandemic – this study demonstrates that the pandemic did have a noticeable impact on writers’ creativity. Although two writers wrote more during lockdown, nearly all described the negative impact emotions had on their ability and/or motivation to write. Where the pandemic disrupted the conditions they need to write, writers wrote nothing, or significantly less than pre-pandemic; writers whose children lived with them during this time were most affected. Some noticed a negative correlation between finding/acting on inspiration and social distancing restrictions. Writers reflected on the impact of the pandemic and were able to identify positive and negative aspects that were a result of the restrictions, such as the benefits in terms of inclusion at literary events. The findings presented in the final section show the importance of learning from and recording the pandemic through writing."This work was supported by the Ewan and Christine Brown Postgraduate Studentship in the Arts and Humanities. I would, therefore, like to express my heartfelt gratitude to Ewan and Christine Brown for the financial support that allowed me to undertake this doctoral research.”--Fundin
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Stability and transient effects in ultraviolet filaments
No full textShort, high intensity laser pulses induce nonlinear optical effects in the atmosphere that have the potential to make them propagate for long distances. Applications for long distance propagation of short pulses include active spectral remote sensing and laser lightning control. Much of the work in this field has been done with infrared pulses; however, it has been proposed that ultraviolet pulses have the advantage that longer pulse lengths can be used, thereby delivering more energy. Long pulse lengths lead to a simplified instantaneous model for the plasma response, which has been shown by Schwarz and Diels to admit steady state or oscillatory solutions corresponding to beam propagation. We have verified this model and have adjusted it to achieve closer agreement with numerical results. In this work we investigate the effects of transient behavior, and the stability of these solutions. Analysis of the modulational instability is done from the plane wave level to a full three dimensional model of the propagation. It is shown that both the transient behavior arising from the finite pulse length, and the modulational instability cause pulses to fragment over lengths on the scale of meters. We present results showing the growth of unstable modes in various propagation regimes. We discuss the pertinent length scales for ultraviolet pulses, as well as the impact of the instability and transient effects on theory and experiment. The results imply that continuous-wave models are very limited when used to predict dynamical properties of pulse propagation
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Transverse mode properties of lasers with Gaussian gain
No full textThe modes and beam characteristics of a Gaussian gain laser resonator are analyzed. Such a gain is typically associated with an end pumped solid state laser. The beam propagation method is used to find the eigenmodes. The eigenmodes are non Gaussian in appearance and differ greatly from the modes of the same cavity with a quadratic gain. It is found that the cavity geometry strongly influences mode formation around degenerate cavity geometries throughout a broad range of operational parameters. The beam propagation method is used to evolve the field through the resonator, resulting in computation of the nonorthogonal eigenmodes. This permits evaluation of the excess noise dependence on geometric cavity parameters such as length and focal length. It is shown that the beam quality M² and Petermann K factor are related and are anticorrelated at degeneracies. An explanation is given based on the self Fourier transforming properties of degenerate cavity locations. It is shown how the empty cavity properties of transverse mode degeneracies are not revealed with a quadratic gain, but are strikingly present with a Gaussian gain. A confocal cavity is studied in detail and found to have the property that forces K to unity even in the presence of strong gains and narrow pump widths. The interplay between the diffraction effects of a geometrically stable cavity and the Gaussian gain will be studied to reveal the nature and implications of the non-normal modes encountered
HYDRODYNAMIC FORCE MICROSCOPY
No full textRights Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author. Downloaded 11-May-2016 03:19:3
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Nonlinear optics of circular-grating distributed-feedback semiconductor lasers
No full textThis dissertation investigates the nonlinear optics of circular-grating distributed-feedback (CGDFB) semiconductor lasers. Included are gain saturation, index saturation, and self- and cross-phase modulation third-order nonlinearities. After a brief review of the historical and technical background needed to understand our results, a numerical model is developed for gain saturation. This model includes a radially-varying nonlinear gain and a uniformly-distributed grating loss in the solution of the coupled-mode equations. The results show that lossy, high-power operation results in an optimum coupling strength for efficient conversion of pump power into useful output pourer. Results also show a multi-mode spectrum for large coupling strengths, a consequence of mode selection governed by a spatially-varying gain distribution. Single-mode selection entails operating at approximately the optimum coupling coefficient determined for efficient pumping. These results are extended by including the gain/index coupling described by the linewidth enhancement factor. A unique feature of this coupling is the possibility of above-threshold, single-mode operation over a limited power range, even for the case of large coupling coefficients. Similar results are obtained for the circular-grating distributed-Bragg-reflector (CGDBR) laser. The excess spontaneous emission rate associated with the nonuniform CGDFB radial (longitudinal) field profiles is also calculated. The resulting above-threshold linewidth closely follows the inverse-power dependence predicted by the Schawlow-Townes relation. To include third-order nonlinearities, we derive coupled-mode equations which describe self- and cross-phase modulation effects via an intensity-dependent refractive index. It is then shown that the circular-grating structure acts as an all-optical switch. We also find that an additional pi/2 phase shift at the center of the grating permits the possibility of self-pulsing cylindrical gap solitons. For a positive nonlinearity (n2 it is shown numerically that these solitons are not physically allowable. That is, for a passive structure, time-dependent self-pulsing behavior is damped by the 1/beta r factor in the self- and cross-phase modulation terms. This damping can be compensated for by the addition of gain. In this case, self-pulsing with an excellent contrast ratio is obtained. The numerical methods used to obtain both steady-state and time-dependent solutions are also described. The steady-state results are obtained using a multi-dimensional Newton-Raphson technique known as the "shooting" method. Time-dependent data use a fourth-order predictor-corrector technique. The stability of the time-dependent solutions to the exact coupled-mode equations is reviewed. Coupled-mode equations based on a large-radius approximation for the Hankel functions are found to be stable over a wider range of variables. Numerical tests used to verify the time-dependent software are described.This item was digitized from a paper original and/or a microfilm copy. If you need higher-resolution images for any content in this item, please contact us at [email protected] file replaced with corrected file October 2023
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