Author:Jahajeeah, NDate:2006Numerical modelling has successfully been used as an efficient tool to convert a gravity cast brake calliper to a thixocasting process. The thixo-modue of Procast has been used for the modelling process to obtain optimum processing parameters. ...Read more
Author:Tulsi, KDate:Oct 2015This presentation looks at ways to create safer coastal and port infrastructure. It investigates methods such as numerical and physical modelling as ways to achieve this.Read more
Author:Gurtunca, RG; Adams, DJDate:Mar 1991In situ measurements and numerical modelling based on elastic theory showed that backfill stresses are considerably higher than originally thought. This has led to a change in understanding of rockmass behaviour. After describing previous ...Read more
Author:Mendecki, AJ; Napier, JAL; Ilchev, A; Sellers, EDate:Jun 2001Numerical modelling of rock-mass response to underground excavations is of vital importance for the decision-making process in designing and running a mine. Likewise, seismic monitoring with state-of-the-art local seismic systems is indispensable ...Read more
Author:Govender, Nicolin; Gledhill, Irvy MA; Kok, S; Wilke, NDate:Aug 2013The protection of harbours and coastal infrastructure is of vital importance to South Africa. A major development in the design of packing strategies for breakwaters is numerical modelling, and the use of physics engines and DEM models. For ...Read more
Author:Rusinga, F; Taigbenu, AEDate:Jan 2005Judicious management of a groundwater system requires an understanding of its hydrogeology and response to various recharge and pumping stresses. However, in developing countries, groundwater resource evaluations are hampered by a lack of ...Read more
Author:Loveday, Philip W; Long, Craig S; Forbes, A; Land, KDate:Mar 2008An intra-cavity adaptive mirror is required to compensate for time-dependent phase aberrations to the laser beam, such as those caused by thermal lensing. A piezoelectric unimorph design can provide a small, low-cost deformable mirror for ...Read more
Author:Lightfoot, N; Maccelari, MDate:Mar 1999This report covers the production of a general reference handbook of numerical
modelling for the South African mining industry, with particular reference to the gold and platinum industries. It also covers a research sub-project investigating ...Read more
Author:Lightfoot, N; Maccelari, MDate:Sep 1999The SIMRAC project GAP629 has two aspects. Firstly, the production of an updated edition of the guidebook Numerical Modelling of Mine Workings. The original document was launched to the South African mining industry in April 1999. Secondly, ...Read more
Author:Greben, JM; Cooper, Antony K; Gledhill, Irvy MA; de Villiers, RDate:Nov 2008The authors have applied various numerical techniques to describe the stability of breakwater structures under the exposure of waves. These studies are intended to get a better understanding of the parameters playing a role in breakwater ...Read more
Author:Napier, JAL; Malan, DFDate:Sep 2008Some of the key problems facing rock engineers on mines in the Bushveld Complex are design of stable panel spans, optimum pillar dimensions and assessing hangingwall stability. A particularly difficult problem is encountered in some mines ...Read more