Analytical solutions and finite element modelling of deep drawing process for cylindrical metal cups

Analytical modelling of deep drawing process is of value in preliminary process design to illustrate the influence of major variables including friction and strain hardening on punch loads, cup dimensions and process limits. In this study, analytical models including theoretical solution and a series of finite element models are developed to account for the influences of process parameters including friction coefficient, tooling geometry and material properties on deep drawing of metal cups. The accuracy of both the theoretical and finite element solutions is satisfactory compared with those from experimental work.

Noughts and crosses on a draughts board

Some of the various mathematical ways in which the popular board game noughts and crosses can be played are discussed. Details of different types of variants of noughts and crosses along with instructions on the same are highlighted.

Towards the improved treatment of generalization of knowledge claims in IS research : drawing general conclusions from samples

This paper presents a framework for justifying generalization in information systems (IS) research. First, using evidence from an analysis of two leading IS journals, we show that the treatment of generalization in many empirical papers in leading IS research journals is unsatisfactory. Many quantitative studies need clearer definition of populations and more discussion of the extent to which ‘significant’ statistics and use of non-probability sampling affect support for their knowledge claims. Many qualitative studies need more discussion of boundary conditions for their sample-based general knowledge claims. Second, the proposed new framework is presented. It defines eight alternative logical pathways for justifying generalizations in IS research. Three key concepts underpinning the framework are the need for researcher judgment when making any claim about the likely truth of sample-based knowledge claims in other settings; the importance of sample representativeness and its assessment in terms of the knowledge claim of interest; and the desirability of integrating a study’s general knowledge claims with those from prior research. Finally, we show how the framework may be applied by researchers and reviewers. Observing the pathways in the framework has potential to improve both research rigour and practical relevance for IS research.

Drawing to learn in science

Should science learners be challenged to draw more? Certainly making visualizations is integral to scientific thinking. Scientists do not use words only but rely on diagrams, graphs, videos, photographs, and other images to make discoveries, explain findings, and excite public interest. From the notebooks of Faraday and Maxwell (1) to current professional practices of chemists (2), scientists imagine new relations, test ideas, and elaborate knowledge through visual representations (3–5).

My favourite things - drawing

Large mixed media drawing. Work has been exhibited in 'Something in the air' at Christine Abrahams Gallery, 25 May-6 Jun, 2010. 'Something in the air' was an exhibition in which six selected artists, including Dr Deborah Walker, exhibited their artwork at 27 Gipps St, Richmond, Victoria.

Accountability, quality assurance and performativity : the changing role of the academic board

This article undertakes a review of Australian and international literature and higher education policy in response to the changing nature of university academic boards (also known as academic senates or faculty senates). It shows that governance has become an issue for both the state and for universities and that within this context risk management and accountability mechanisms such as academic quality assurance are taking an increasingly prominent role. These developments have altered the form and function of academic governance and have fundamentally affected the academic board. For example, some literature reports that the role of Australian academic boards now largely revolves around academic quality assurance and it is argued that this is potentially problematic because of a focus on audit-driven accountability mechanisms. However, the article concludes by suggesting that as part of a broader quality assurance framework there is also an opportunity for academic boards to have a central role in the development of academic standards that focus on enhancing learning outcomes rather than on compliance.

Learning by drawing

Scientists use a range of visual forms to imagine new relations, test ideas and elaborate knowledge, with digital technologies increasingly used to construct elaborate maps, 3D simulations, graphs or enhanced photographs. These visual tools are not simply passive communication devices but actively shape how we build knowledge in science.

The role of board independence in mitigating agency problem II in Australian family firms

We investigate the impact of board independence on earnings management on a sample of family controlled firms listed on the Australian Securities Exchange (ASX). Using panel data over the period 2000–2004, we find evidence of earnings management among family controlled firms in Australia, an environment of high investor protection and private benefits of control. Findings show that a higher proportion of independent directors on boards is effective in reducing earnings management, thereby mitigating agency problems associated with entrenchment and expropriation in family firms. We also find that managers of family firms are less aggressive in managing earnings via discretionary long-term accruals compared to non-family firms.

Adoption vs. usage of interactive white board technology by teachers in higher education institutions

This research investigates teaching faculty’s adoption and usage of Interactive White Board Technology (IWBT) in teaching in UAE University (UAEU). The research extended the technological innovation theories and proposed a model made of different contexts. The research model was partially supported and highlighted interesting insights pertaining to adoption and usage of IWBT in teaching. Contrasting findings pertaining to the same factors across adoption and usage proved to be both insightful as well as challenging at the same time. Implications arising from significant and insignificant factors lead to a conclusion that IWBT is evolving in UAEU. The research discusses theoretical as well as professional contributions and implications emerging and portrays different research areas in this field.

Stone soup drawing exhibition and workshop

This series of drawings based on the folk tale of stone soup, axe soup and other tales of travel and engagement with a new community. I also conducted a community workshop in which people drew on paper prepared by myself in which memories and placeswere the focus. As the community drawings were produce I substituted them for the ones I had produced and left them with the festival committee as a gift to the community.