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