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Simulation of Explosion of the Semi-Fluid with Strong Elasticity Applying Coulomb-Mohr Theory
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  • Journal title : Journal of Korea Game Society
  • Volume 15, Issue 5,  2015, pp.143-152
  • Publisher : Korea Game Society
  • DOI : 10.7583/JKGS.2015.15.5.143
 Title & Authors
Simulation of Explosion of the Semi-Fluid with Strong Elasticity Applying Coulomb-Mohr Theory
Kim, Gyeong-Su; Sung, Su-Kyung; Shin, Byeong-Seok;
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Unlike simulating general 'particle-based fluid explosion', simulating fluid with elasticity requires various experimental methods in order to show the realistic deformation of the matter. The existing studies on particle-based viscoelastic fluid only focused on matters' plastic deformation which can be found in mud or paint, based on the maximum distortion energy theory and maximum shear stress theory. However, these former researches could not simulate the brittle deformation which can be seen from silicon or highly elastic rubber when great external forces above limits are applied. This study suggests a brittle simulation method based on the Coulomb-Mohr theory, the idea that a yield occurs when maximum stress on a matter reaches to its rupture stress. This theory has a significant difference from the existing particle-based simulations which measures the forces on a matter by length or volume. Using a strong-elastic semifluid which Coulomb-Mohr theory is applied, realistic deformation process of a matter was observed as its forced surface reached to the rupture stress. When semifluid hit the ground, the impact of deformation can be explained by using Coulomb-Mohr theory.
Fluid Simulation;Viscoelasticity;Coulomb-Mohr;
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