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
Author:Britz, K; Heidema, J; Meyer, TDate:Jul 2009The authors presents a semantic model of typicality of concept members in description logics that accords well with a binary, globalist cognitive model of class membership and typicality. The authors define a general preferential semantic ...Read more
Author:Bezuidenhout, PH; Schoeman, J; Joubert, THDate:Mar 2014Microsensing is a leading field in technology due to its wide application potential, not only in bio-engineering, but in other fields as well. Microsensors have potentially low-cost manufacturing processes, while a single device type can have ...Read more
Author:Ngobeni, Sipho J; Venter, H; Burke, Ivan DDate:Jun 2012Over the past decade, wireless mobile communication technology based on the IEEE 802.11 Wireless Local Area Networks (WLANs) has been adopted worldwide on a massive scale. However, as the number of wireless users has soared, so has the ...Read more
Author:Attia, H; Osman, Muhammad S; Johnson, DJ; Wright, C; Hilal, NDate:Dec 2017In the present study, theoretical and experimental investigations were carried out to examine the effect of changing the operating parameters of an air gap membrane distillation (AGMD) system on the performance of electrospun and commercial ...Read more
Author:Lysko, Albert ADate:Mar 2010The paper discusses aspects of a novel impedance matrix compressing technique and applies the technique to a coil-loaded monopole. The technique can reduce the number of variables required for modelling of structures with curvatures and ...Read more
Author:Oosthuizen, Rudolph; Pretorius, LDate:Jun 2014Different systems engineering techniques and approaches are applied to design and develop Command and Control solutions for complex problems. Command and Control is a complex sociotechnical system where human commanders make sense of a situation ...Read more
Author:Grobler, Jan-Hendrik; de Villiers, R; Cooper, Antony KDate:Jan 2010A method is proposed for the modelling of fluid-solid interaction in applications where fluid forces dominate. Data are transferred between two stand-alone codes: a dedicated computational fluid dynamics (CFD) code capable of free surface ...Read more
Author:Mkasi, Hlaluku W; Lawrence, Pratt; Ayanna, Manjunath B; Roro, Kittessa TDate:Nov 2021The high demand for low carbon energy and rapidly decreasing solar panel prices have led to a surge in solar photovoltaic (PV) plants across the globe, more than at any other time since the industry began. Combined with geographic variations ...Read more
Author:Naude, AH; Le Maitre, David C; De Jong, T; Forsyth, G; Mans, Gerbrand G; Hugo, WDate:Jun 2008The paper outlines the challenges of modelling and assessing spatially complex human-ecosystem interactions, and the need to simultaneously consider rural-urban and rich-poor interactions. The context for exploring these challenges is South ...Read more
Author:Roodt, JH; Leenen, L; Van Vuuren, JJ; Dawood, Zubeida CDate:Jul 2020Complex societal problems require a multidisciplinary and multi-method approach to develop models that can support the development of solutions. General morphological analysis is a qualitative method to extract information from experts through ...Read more
Author:Sellers, EJ; Klerck, PDate:Oct 2000A series of physical and numerical model tests were performed to investigate the behaviour of the rock surrounding circular excavations under high confining pressures. The aim was to provide information on the formation of fractures around ...Read more
Author:Scholtz, MT; Brouckaert, CJDate:1976The flow of stable air over a general region of complex topography and non-uniform surface temperature has been investigated. In order to gain further understanding of the motion of surface air, it was necessary to study the vertical structure ...Read more