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Browsing General science, engineering & technology by Title

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  • Bogaers, Alfred EJ; Kok, S; Reddy, BD; Franz, T (Elsevier, 2014-09)
    In this paper we introduce a new multi-vector update quasi-Newton (MVQN) method for implicit coupling of partitioned, transient FSI solvers. The new quasi-Newton method facilitates the use of 'black-box' field solvers and ...
  • Haelterman, R; Bogaers, Alfred EJ; Degroote, J; Boutet, N (International Association of Engineers, 2017-08)
    Often in nature different physical systems interact which translates to coupled mathematical models. Even if powerful solvers often already exist for problems in a single physical domain (e.g. structural or fluid problems), ...
  • Abdul Gaffar, MY; Nel, WAJ; Inggs, MR (2008-10)
    Inverse synthetic aperture radar (ISAR) is an imaging technique that is dependent on an object’s rotational motion over a coherent processing interval. Maritime vessels and aircraft possess 3-D rotational motion, whereas ...
  • Goyal, SK; Boukama-Dzoussi, PE; Ghosh, S; Roux, FS; Konrad, T (Nature Publishing Group, 2014-04)
    Quantum teleportation, the transfer of the state of one quantum system to another without direct interaction between both systems, is an important way to transmit information encoded in quantum states and to generate quantum ...
  • Klarman, S; Meyer, T (Springer, 2014-06)
    SQL:2011, the most recently adopted version of the SQL query language, has unprecedentedly standardized the representation of temporal data in relational databases. Following the successful paradigm of ontology-based data ...
  • Salmon, BP; Olivier, JC; Kleynhans, W; Wessels, Konrad J; Van den Bergh, F (IEEE, 2009-07)
    This paper shows that a feedforward Multilayer Perceptron (MLP) operating over a temporal sliding window of multispectral time series MODerate-resolution Imaging Spectroradiometer (MODIS) satellite data is able to detect ...
  • Nienaber, S; Funke, Nicola S (CSIR, 2010-09-01)
    The South African water sector faces challenges that need to be addressed through effective policy development and implementation. Sound evidence, based on researched consideration of issues and solutions, is an important ...
  • Chakwizira, J (Conference Planners, 2007-07)
    This paper is concerned with the road traffic congestion problems and de-congestion initiatives in the Greater Johannesburg Area (GJA). A rapid appraisal of the traffic congestion and de-congestion map and atlas of the GJA ...
  • Henriques, R; Lelek, M; Fornasiero, EF; Valtorta, F; Zimmer, C; Mhlanga, Musa (Nature Publishing Group, 2010-05)
    QuickPALM in conjunction with the acquisition of control features provides a complete solution for the acquisition, reconstruction and visualization of 3D PALM or STORM images, achieving resolutions of ~40 nm in real time. ...
  • Burns, MER; Du Plessis, MA; Verwoerd, DJ (CSIR, National Research Institute for Oceanology, 1988-02)
    The Quko Estuary is referred to locally as Double Mouth, after the confluence of the two rivers which takes place to the mouth. The name is somewhat misleading, as it could imply that the Quko River enters the sea at two ...
  • Gerryts, BA; Buys, AJ (Portland International Center for Management of Engineering and Tecnology (PICMET) Conference 2008, 2008-07)
    In investigating the link between R&D and innovation, data was used from the South African Innovation Survey of 2001 (SAIS2001). The SAIS2001 results showed that South African enterprises had a relatively high level of ...
  • Curle, A; Moller, H; Govender, G (Trans Tech Publications, 2013)
    The history of semi-solid metal forming and in particular rheo-high pressure die casting at the Council for Scientific and Industrial Research in South Africa is discussed. Processing flexibility is demonstrated on the ...
  • Curle, UA; Wilkins, JD; Govender, G (Trans Tech Publications, 2013)
    Flexibility of the Council for Scientific and Industrial Research’s Rheocasting System (CSIR-RCS) and its rheo-high pressure die casting (R-HPDC) technology is again demonstrated, as with aluminium alloys, by processing ...
  • Bosilong, KP; Mbecke, P (Palgrave Macmillan, 2010-05)
    This chapter begins with a brief tour of South Africa's justice and political systems, demographics and discourses of race. The brief narrative, which will also allude to situations in Apartheid South Africa, is meant to ...
  • Anderson, F (CSIR, 2008-11)
    South Africa, like other countries, faces the challenge of protecting its territory and its people from activities such as illegal border crossings, weapons trafficking, smuggling, piracy, poaching, organised crime, and ...
  • Du Plessis, MC; Olivier, JC (Institute of Electrical and Electronic Engineering (IEEE), 2009-07)
    This paper presents a classification method which discriminates between two radar transmitters based on the received pulses. A simple radar transmitter model is presented to which a non-stationary signal classifier is ...
  • Zhang, Y; Roux, FX; McLaren, M; Forbes, A (American Physical Society, 2014)
    The radial degrees of freedom of the biphoton states that are produced in spontaneous parametric down-conversion (SPDC) in the Laguerre-Gaussian (LG) basis are investigated, theoretically and experimentally. We calculated ...
  • Sephton, Bereneice C; Dudley, Angela L (SPIE, 2017-08)
    Beams carrying orbital angular momentum (OAM) are ubiquitous in many experiments carried out today and cover a wide range of research, from surface microstructure processing to optical tweezers and communications. It follows ...
  • Mathuthu, M; Raseleka, RM; Forbes, A; West, NA (IEEE Institute of Electrical and Electronics, 2006-12)
    Laser-induced breakdown spectroscopy (LIBS) is a non-intrusive technique that needs no sample preparation and even recently, quantitative measurements were done without the need for calibration standards. Much research has ...
  • Makinta, MJ; Brinders, JM; Smith, KA (Zoological Society of Southern Africa, 2005-10)
    Irradiation has adverse effects on reproductive aspects such as spermatogenic cell population and cell malformation, leading to reduced sperm count and non-viable spermatozoa. This has overshadowed possible effects of ...

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