Kleeven, W.J.G.M. JACoW Geneva, Switzerland 978-3-95450-167-0 10.18429/JACoW-Cyclotrons2016-WEA01 English 244-250 WEA01 cyclotron space-charge simulation injection extraction Contribution to a conference proceedings 2017 2017-01 http://dx.doi.org/10.18429/JACoW-Cyclotrons2016-WEA01 http://jacow.org/cyclotrons2016/papers/wea01.pdf Two subjects are highlighted. The first is the problem of high space charge effects in cyclotrons. The second is the the progress in development of tools and simulations for industrial and medical cyclotrons at IBA.