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Authors: Dave Rudolf and David Mould

Affiliation: University of Saskatchewan, Canada

Keyword(s): Jellyfish, Marine invertebrates, Physics-based animation, Fluid dynamics.

Related Ontology Subjects/Areas/Topics: Animation and Simulation ; Animation and Simulation of Natural Environments ; Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Interactive Environments ; Multi-Resolution Modeling ; Physics-Based Modeling ; Real-Time Graphics

Abstract: This paper presents an automatic animation system for jellyfish that accounts for interaction between the organism and its surroundings. We endeavor to model the jellyfish’s morphology, as well as its achieved thrust. We physically simulate the elastic body of the jellyfish and its surrounding sea water. We use a modified immersed boundary method to combine spring-mass systems and a grid-based semi-Lagrangian fluid solver. The resulting simulations are efficient with an acceptable compromise in physical accuracy. We reduce our model for axially symmetric species to 2D, and extrapolate the results to 3D. We add detail to the 3D shape with noise that is inspired by empirical observations of real jellyfish. We also suggest suitable contraction functions so that our virtual jellyfish propells itself within the water in a manner similar to the real organism. The resulting system is capable of animating jellyfish in real-time on modest desktop hardware.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Rudolf, D. and Mould, D. (2009). INTERACTIVE JELLYFISH ANIMATION USING SIMULATION. In Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2009) - GRAPP; ISBN 978-989-8111-67-8; ISSN 2184-4321, SciTePress, pages 241-248. DOI: 10.5220/0001792402410248

@conference{grapp09,
author={Dave Rudolf. and David Mould.},
title={INTERACTIVE JELLYFISH ANIMATION USING SIMULATION},
booktitle={Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2009) - GRAPP},
year={2009},
pages={241-248},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001792402410248},
isbn={978-989-8111-67-8},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2009) - GRAPP
TI - INTERACTIVE JELLYFISH ANIMATION USING SIMULATION
SN - 978-989-8111-67-8
IS - 2184-4321
AU - Rudolf, D.
AU - Mould, D.
PY - 2009
SP - 241
EP - 248
DO - 10.5220/0001792402410248
PB - SciTePress

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