Author:Jahajeeah, NDate:Oct 2005Presentation presented at the RAPDASA conference on the modelling and simulation SSM:The latest state of the art technologyRead more
Author:Naidoo, ShahenDate:Oct 2009The purpose of this paper is to discuss M&S activities that have contributed to the Ground Based Air Defence System (GBADS) programme over the years and to look specifically at the future role of M&S within the Joint Air Defence (JAD) ...Read more
Author:Le Roux, WHDate:Nov 2008With less than 650 days to go until the first kick-off of the 2010 FIFA World Cup South Africa, the safety and security of everyone is paramount. All South African departments, agencies and institutes that are part of the team to ensure a ...Read more
Author:Karsten, AE; Smit, Jacoba EDate:Mar 2012Lasers are used in the minimalistic or noninvasive diagnosis and treatment of skin disorders. Less laser light reaches the deeper skin layers in dark skin types, due to its higher epidermal melanin concentration compared with lighter skin. ...Read more
Author:Fourie, CH; Winkler, H; Roro, Kittessa TDate:Nov 2019This paper seeks to investigate the performance of solar irradiance modelling to ground based data in an urban environment. The ability to accurately model and in turn determine solar irradiance as it propagates through the atmosphere, and ...Read more
Author:Johnson, S; Mengersen, K; De Waal, A; Marnewick, K; Cilliers, D; Houser, AM; Boast, LDate:Feb 2010Relocation is one of the strategies used by conservationists to deal with problem cheetahs in southern Africa. The success of a relocation event and the factors that influence it within the broader context of long-term viability of wild cheetah ...Read more
Author:Kupfer, S; Santamaria-Aguilar, S; Van Niekerk, Lara; Lück-Vogel, Melanie; Vafeidis, ATDate:Oct 2020Extreme coastal flooding along the South African coast can be caused by the co-occurrence of waves, storm surges and tides. Importantly, in low-lying areas such as estuaries, the additional influence of river discharge can further exacerbate ...Read more
Author:Heyns, Johan A; Oxtoby, Oliver F; Suliman, RidhwaanDate:Jun 2013This study presents the extension of the volume-of-fluid solver, interFoam, for improved accuracy and efficiency when modelling dynamic liquid-gas systems. Examples of these include the transportation of liquids, such as in the case of fuel ...Read more
Author:MacLucas, David A; Gledhill, Irvy MADate:Jul 2014Computational Fluid Dynamics is routinely used in clearance of stores for carriage and release from aircraft in the transonic range of flight. A well-known validation case is modelled in this study, for which aerodynamic loads have been ...Read more
Author:Botha, NDate:Oct 2012This presentation outlines how the intraocular pressure inside the human eye can be estimated using numerical techniques. This can be used as a risk indicator in the diagnosis of glaucoma.Read more
Author:Nel, JJ; Le Roux, WH; Van der Schyf, O; Mostert, MDate:Jul 2007This paper describes the integration between two command and control simulators in order to clarify doctrinal issues surrounding Joint Air Defence using as example the uncertainty of roles and responsibilities between the Air Defence Cell of ...Read more
Author:Grobler, MM; Von Solms, SHDate:Jun 2009This paper discusses the development of a South African model for Live Forensic Acquisition - Liforac. The Liforac model is a comprehensive model that presents a range of aspects related to Live Forensic Acquisition. The model provides forensic ...Read more
Author:Oosthuizen, RudolphDate:Nov 2014Developing complex sociotechnical systems often involves integrating new technology into existing systems by applying systems engineering processes. This requires an understanding of the problem space and the possible impact of the new ...Read more
Author:Oosthuizen, Rudolph; Pretorius, LDate:Oct 2014Different systems engineering techniques and approaches are applied to design and develop complex sociotechnical systems for complex problems. In a complex sociotechnical system cognitive and social humans use information technology to make ...Read more
Author:Ntlangu, Mbulelo Brenwen; Baghai-Wadji, ADate:Dec 2017With the advent of Internet of Things (IoT) technology, the need for tools which facilitate the development and management of network based services has become increasingly important. Issues such as network security and quality of service are ...Read more
Author:Holmes, DG; Cheng, L; Shimaponda-Nawa, M; Familua, AD; Abu-Mahfouz, Adnan MIDate:Jul 2019Visible light communication (VLC) has the potential to supplement the growing demand for wireless connectivity. In order to achieve the full potential of VLC, channel models are required. Discrete channel models based on semi-hidden Markov ...Read more
Author:Dudeni-Tlhone, N; Ramoelo, Abel; Cho, Moses A; Debba, Pravesh; Mathieu, Renaud SADate:Oct 2010This paper uses the spatial and the least squares (Analysis of Covariance-ANCOVA) regression methods to evaluate the important environmental factors in estimating quality grass for grazing (based on the nitrogen (N) content in grass). The ...Read more
Author:Britz, K; Heidema, J; Meyer, TDate:Dec 2009The authors present a semantic model of typicality of concept members in description logics (DLs) that accords well with a binary, globalist cognitive model of class membership and typicality. The authors define a general preferential semantic ...Read more