Stephen M. Longshaw

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Discrete Element Modelling (DEM) is a technique used widely throughout science and engineering. It offers a convenient method with which to numerically simulate a system prone to developing discontinuities within its structure. Often the technique gets overlooked as designing and implementing a model on a scale large enough to be worthwhile can be both time(More)
Clutter within information visualization (infovis) systems is an area of continuing concern and is receiving increasing research interest. Solutions to the problem vary in their approach, ranging from novel visualizations designed specifically to cope with high data density, through to statistical methodologies such as binning. This paper presents a(More)
Understanding how fuel sloshes in a fuel cell, as a vehicle races around a circuit, is an important but mostly unexplored factor when designing fuel containment systems. Cell designs are based on knowledge of how liquids slosh in other containers, with the design and placement of structures, such as weirs, based on engineering judgement. This work aims to(More)
Discrete Element Modelling (DEM) is a numerical technique that uses a system of interacting discrete bodies to simulate the movement of material being exposed to external forces. This technique is often used to simulate granular systems; however by adding further elements that inter-connect the bodies, it can be used to simulate the deformation of a large(More)
Recently software libraries known as physics engines have begun to gain interest within the computing communities. They are designed primarily for use within the computer game industry but also currently find credence within real-time animation and robotics simulation. The technical requirements of a Discrete Element Model (DEM) are markedly similar to that(More)
Within Computer Science, reusability of specific modular software components is generally accepted as best practice. Simulation techniques such as Discrete Element Modelling (DEM) rely on the well defined problems of Newtonian physics, and while differences exist in the methods defined to compute solutions to these problems, each method follows the same(More)
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