Abstract
This chapter describes a research thread at CITA which explores how computation and a challenging of traditional material practice can impact the use of timber in architectural design and fabrication. Several past research projects at CITA have demonstrated the potential for streamlining the design-to-production process using computational tools, and the value of working in concert with the inherent properties of wood. Current research continues this thread through a participation in the Innochain research network (http://innochain.net/) and collaboration with industrial partners White Arkitekter AB and Blumer-Lehmann AG. Through the embedding of digital tools within established timber design a fabrication processes, new workflows are proposed which could lead to more intelligent design decisions, optimized building components, and new timber morphologies.
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Notes
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Similar to the way Frei Otto describes some materials as ‘[consisting] … of smaller elements which are called “materials elements”’ in Otto (1992).
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In this case, Rhinoceros3d and the Grasshopper plug-in.
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For example, Scan&SolveTM is an FEA plug-in which allows a user to define a grain direction of a timber component using reference geometry such as a curve or a surface, but does not go beyond that.
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A more detailed description and the source code of this research toolkit can be found at http://github.com/tsvilans/tas.
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This particular rule is defined in (DIN EN 14080:2013-09 2013).
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Z-Plus Pavilion (2009) by Création Holz, designtoproduction, SJB Kempter Fitze, and Blumer-Lehmann AG, in Gossau, Switzerland.
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A variation of the Metropolis-Hastings algorithm and a Simulated Annealing algorithm were implemented in this case for quickness and ease of integration, though more robust implementations of different registration algorithms are widely available, and have since been used. A good source of these is the open-source Pointcloud Library (PCL).
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NaturalPoint’s Optitrack system was used for this experiment.
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A typical method for doing this is called Sparse Bundle Adjustment (SBA).
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Acknowledgements
This project was undertaken at the Centre for IT and Architecture, KADK, in Copenhagen, Denmark as part of the Innochain Early Training Network. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 642877.
Special thanks to the industry partners and students of the CITAstudio Masters course.
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Svilans, T., Tamke, M., Thomsen, M.R., Runberger, J., Strehlke, K., Antemann, M. (2019). New Workflows for Digital Timber. In: Bianconi, F., Filippucci, M. (eds) Digital Wood Design. Lecture Notes in Civil Engineering, vol 24. Springer, Cham. https://doi.org/10.1007/978-3-030-03676-8_3
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