Introduction: In radiation therapy, the accuracy of dose calculations by a treatment planning system (TPS) is important to achieve tumor control and to spare normal tissue. Treatment planning system calculations in the heterogeneous situation may present significant inaccuracies. In this study, three different dose calculation algorithms, pencil beam (PB), collapsed cone (CC), ...

The present climate and environmental policy efforts require comprehensive planning regarding the modification of the energy supply and infrastructures in cities. The strategic planning of the different measures requires a holistic approach and the combination of extensive and complex information. Within this paper, current developments in the context of the project Energy Atlas Berlin are pres...

THE LAMENT in Tennyson's In Memoriam, "So many worlds, so much to do,/So little done, such things to be," all but characterizes the attitude of the Victorians, who, though shocked by the discovery of social ills within their society, confidently set about to solve their problems with grave determination. New knowledge in the social and natural sciences seemed to promise a means of recovery from...

The goal of this paper is to present the constructive confrontation approach to management of organizational culture. The approach provides for transformation of confrontation caused by differences between the new values of a declared organizational culture and the current values of employees in constructive process. Constructive confrontation allows for the concentration of energies and capaci...

This paper presents an algorithm for the microgrid planning as an alternative to the co-optimization of generation and transmission expansion planning in electric power systems. The integration of microgrids in distribution systems will offer a decentralized control of local resources for satisfying the network reliability and the power quality required by local loads. The objective in this pap...

In this contribution, we present the development of DynaSCOPE as a fully distributed continuous planning approach for decentralized energy units organized in Dynamic Virtual Power Plants (DVPP). The work at hand elaborates on possible basic algorithms for the DVPP planning task, motivates the choice of a fully distributed algorithm and gives details and evaluation results for the presented syst...

background: understanding of the incident electron energy and angular distributions from clinical electron accelerators (linacs) is important for dosimetry and treatment planning. the most important goals of this study were to evaluate the energy fluence and angular distributions of electron beams from a neptun 10pc linac using the monte carlo (mc) code. materials and methods: the linac electro...

The implementation of renewable energy policies is lagging behind in The Netherlands. While several Dutch cities have ambitious goals for reducing greenhouse gas (GHG) emissions, the implementation of renewable energy projects has been rather slow. The main reasons for this are the limited institutional capacities of local decision-makers, low levels of social acceptance of renewable-energy tec...