The Parametric FEM Toolbox is a plug-in for the visual programming environment Grasshopper which implements the RF-COM API of the Dlubal RFEM finite element software to establish a connection between these two platforms. Both the transfer of data from Grasshopper into RFEM and back from RFEM into Grasshopper are supported. Thus, new possibilities are enabled beyond the options of the conventional graphical user interface (GUI) of RFEM: the use of the Rhino 3D modelling tools to create NURBS curves and surfaces; the possibility of the parametric modification of an existing FE model or part of it; the export and processing of FE model data, which sometimes is not even available through the program GUI, e.g. 3D shapes of beam elements; etc. With these functionalities, the objectoriented structure and compact GUI, this tool can easily be adapted to numerous workflows and optimization processes. This paper explores which possibilities exist for implementing a commercial FEM software in a parametric design platform. Existing approaches are reviewed, the development of the Para metric FEM Toolbox is described and some of the possible workflows with this new tool are explored through a collection of real-world case studies.
Decades of rapid and widespread digitization of our living and working environments have not yet brought about a comprehensive qualitative improvement of our built environment in terms of sustainability and functional and aesthetic performance. The designs of the future must be much more consistently concerned with optimizing the multimodal performance of human spaces. This paper presents a design approach to implement and combine life-cycle assessment with different simulation methods such as energy efficiency, daylight analysis, acoustics, noise insulation, structural analysis and fire protection in order to provide the designer with tools to evaluate how architectural decisions affect the building performance and its environmental impacts. This approach was applied by the architecture students of a master course at the Universität der Künste Berlin. They were given the program of a building to be constructed in the Siemensstadt in Berlin and they implemented this methodology to come up with different sustainable designs. This paper also discusses the results of this course and empathizes how the implementation of simulation tools does not constrain the possibilities of the design process, but it enriches it and leads to a more sustainable built environment.
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