Author:Cichowicz, ADate:Jul 2002This report describes the dynamic behavior of stope support. To predict deformation of the support under seismic load, a reasonable model of support was developed. It is assumed that the response of the stope support can be adequately simulated ...Read more
Author:Mutombo, K; Kgomo, C; Rossouw, PDate:Oct 2014The interaction between the Ti6Al4V alloy and the mould materials was investigated. The alpha-case was characterized by Vickers hardness tester, optical and scanning electron microscopy equipped with electron dispersive X-ray spectrometry ...Read more
Author:Buitenwerf, R; Stevens, N; Gosling, CM; Anderson, TM; Olff, HDate:May 2011Litter-feeding termites influence key aspects of the structure and functioning of semi-arid ecosystems around the world by altering nutrient and material fluxes, affecting primary production, food web dynamics and modifying vegetation ...Read more
Author:Krug, Marjolaine J; Tournadre, J; Dufois, FDate:Jun 2014Interactions between the Agulhas Current and the ecologically important region of the Agulhas Bank are studied through the analysis of high resolution along-track altimetry, merged mapped altimetry and in situ measurements of current speed ...Read more
Author:Thwala, Melusi; Klaine, SJ; Musee, NDate:Jan 2016The rising potential for the release of engineered nanoparticles (ENPs) into aquatic environments requires evaluation of risks in order to protect ecological health. The present review examined knowledge pertaining the interactions of metal-based ...Read more
Author:Smith, L; Meyer, JP; Oxtoby, Oliver F; Malan, AGDate:Nov 2011The authors propose to develop a new method to couple Drela’s twointegral equations with a generic outer flow solver in an iterative fashion. They introduce an auxiliary equation which is solved along with the displacement thickness to overcome ...Read more
Author:Smith, L; Oxtoby, Oliver F; Malan, A; Meyer, JDate:2013The purpose of this paper is to introduce a unique technique to couple the two-integral boundary layer solutions to a generic inviscid solver in an iterative fashion.Read more
Author:Lunga, D; Ward, S; Msimango, NDate:Nov 2014Interactive data visualization is a transformational technique that can turn raw data into immersive insights extraction. In this study, an interactive dashboard that visualizes raw aggregated data is developed to identify energy usage patterns ...Read more
Author:Thwala, Melusi; Radebe, N; Tancu, Y; Musee, NDate:Sep 2014This study investigated the stability of nAg (40-60 nm) and nZnO (10-130 nm) NPs in Hoagland's Medium of half (50HM) and full (100HM) strengths as representative of complex water. The hydrodynamic size dynamics were studied using the Transmission ...Read more
Author:Greene, GJ; Fischer, BDate:Sep 2015Version control repositories contain a wealth of implicit information that can be used to answer many questions about a project’s development process. However, this information is not directly accessible in the version control archives and ...Read more
Author:Engelbrecht, CJ; Landman, WADate:Oct 2014The influence of cut-off low (COL) associated rainfall on interannual rainfall variability over the Cape south coast region of South Africa for the period 1979-2011 is investigated. COLs are objectively identified and tracked on daily average ...Read more
Author:Engelbrecht, CJ; Landman, WADate:Sep 2015The link between interannual variability of seasonal rainfall over the Cape south coast of South Africa and different synoptic types as well as selected teleconnections is explored. Synoptic circulation over the region is classified into ...Read more
Author:Russo, C; Veitch, J; Carr, M; Fearon, G; Whittle, Christo PDate:Mar 2022A regional assessment of three global ocean reanalysis products is presented for southern Africa’s major oceanographic features. The reanalyses include Mercator Ocean’s Global Reanalysis (GLORYS), the Commonwealth Scientific and Industrial ...Read more
Author:Du Plessis, WPDate:Oct 2009A new synthesis procedure for interdigital filters with shorted-pin feeds is developed by relating the coupling factors and external Qs to the physical structure of the filter. This new procedure is easily understood and applied, extremely ...Read more
Author:Funke, Nicola S; Nienaber, S; Gioia, CDate:Feb 2012From an environmental perspective, South Africa faces many challenges that affect both its ecological biodiversity as well as its socio- economic and socio-political security . One of the most prominent challenges is acid mine drainage (AMD) ...Read more
Author:Meissner, RichardDate:Nov 2015Interest groups are pervasive phenomena of modern society. Although this is so, water governance researchers generally do not include them in their research endeavours. This is especially the case regarding research on transboundary rivers. ...Read more
Author:Letting, LK; Hamam, Y; Abu-Mahfouz, Adnan MIDate:Jul 2017The application of simulation optimization in water distribution network analysis and design is a promising method for generating solutions to existing challenges. The absence of a standard interface for coupling the open source EPANET software ...Read more
Author:Bogaers, Alfred EJ; Kok, S; Reddy, BD; Franz, TDate:Oct 2016In this paper we outline the use of radial basis function interpolation (RBF) to transfer information across non-matching and nonconforming interface meshes, with particular focus to partitioned fluid-structure interactions (FSI). In general, ...Read more
Author:Makgwane, Peter R; Ray, SSDate:Oct 2013The development of green catalytic methods for chemical synthesis and energy generation based on nanocoated catalyst microfluidic systems is a growing area of innovative research. The interface between heterogeneous catalysis and microchannel ...Read more