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Paper Abstract and Keywords
Presentation 2016-03-09 13:27
Visual Simulation of Burst Taking into Account Two-way Coupling of Thin Films and Content Liquid
Akichika Sahara, Issei Fujishiro (Keio Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Bursts of objects enclosed by thin films, such as balloons and cushions, are ubiquitous in our daily life while accurate models to simulate such phenomena have not been well studied yet. In this study, burst was defined as omnidirectional splashing outflow of content liquid accompanied with many droplets owing to break of the enclosing film, and a designated computational model was developed. The salient feature of the proposed model lies in its two-way coupling simulation, which takes into account the effects from the deformed thin films to the dynamics of the content liquid, and vice versa. Specifically, finite element analysis was used for stress computation with representation schemes to discretize the thin films and content liquid into triangular and tetrahedral elements, respectively. Since triangular and tetrahedral meshes provide the explicit boundary surfaces, they can strictly define the computation of collision and friction. After each of the time-steps, re-meshing is carried out for maintaining the accuracy of the simulation together with plausible fraction generation. Through the qualitative comparison with the high-speed camera video, it was empirically proven that the proposed model can accurately simulate bursts triggered by breaking thin films, which has not been realized by any other existing numerical schemes.
Keyword (in Japanese) (See Japanese page) 
(in English) Burst / Thin film / Two-way coupling / / / / /  
Reference Info. ITE Tech. Rep., vol. 40, no. 11, AIT2016-51, pp. 37-40, March 2016.
Paper #  
Date of Issue 2016-03-02 (AIT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee AIT IIEEJ AS  
Conference Date 2016-03-09 - 2016-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Polytechnic Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IIEEJ 
Conference Code 2016-03-AIT-IIEEJ-AS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Visual Simulation of Burst Taking into Account Two-way Coupling of Thin Films and Content Liquid 
Sub Title (in English)  
Keyword(1) Burst  
Keyword(2) Thin film  
Keyword(3) Two-way coupling  
1st Author's Name Akichika Sahara  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Issei Fujishiro  
2nd Author's Affiliation Keio University (Keio Univ.)
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Date Time 2016-03-09 13:27:00 
Presentation Time 12 
Registration for IIEEJ 
Paper # ITE-AIT2016-51 
Volume (vol) ITE-40 
Number (no) no.11 
Page pp.37-40 
#Pages ITE-4 
Date of Issue ITE-AIT-2016-03-02 

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