Windy Trees : Computing Stress Response for Developmental Tree Models


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PIRK, Sören, Till NIESE, Torsten HÄDRICH, Bedrich BENES, Oliver DEUSSEN, 2014. Windy Trees : Computing Stress Response for Developmental Tree Models. In: ACM Transactions on Graphics. 33(6), 204. ISSN 0730-0301. eISSN 1557-7368

@article{Pirk2014Windy-29848, title={Windy Trees : Computing Stress Response for Developmental Tree Models}, year={2014}, doi={10.1145/2661229.2661252}, number={6}, volume={33}, issn={0730-0301}, journal={ACM Transactions on Graphics}, author={Pirk, Sören and Niese, Till and Hädrich, Torsten and Benes, Bedrich and Deussen, Oliver}, note={Proceedings of ACM SIGGRAPH Asia 2014, Shenzhen, China Article Number: 204} }

Pirk, Sören Benes, Bedrich Deussen, Oliver Deussen, Oliver Benes, Bedrich eng We present a novel method for combining developmental tree models with turbulent wind fields. The tree geometry is created from internal growth functions of the developmental model and its response to external stress is induced by a physically-plausible wind field that is simulated by Smoothed Particle Hydrodynamics (SPH).<br />Our tree models are dynamically evolving complex systems that (1) react in real-time to high-frequent changes of the wind simulation; and (2) adapt to long-term wind stress. We extend this process by wind-related effects such as branch breaking as well as bud<br />abrasion and drying. In our interactive system the user can adjust the parameters of the growth model, modify wind properties and resulting forces, and define the tree’s long-term response to wind. By using graphics hardware, our implementation runs at interactive rates for moderately large scenes composed of up to 20 tree models. Niese, Till Hädrich, Torsten 2014 Niese, Till 2015-02-18T09:33:42Z Hädrich, Torsten Windy Trees : Computing Stress Response for Developmental Tree Models Pirk, Sören 2015-02-18T09:33:42Z

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