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The lava flow simulation is hard and complex phenomena because there is many parameter that be involved. Lagrangian approach uses to simulate lava flow and make asumption that lava is consist of particle. Smoothed Particle Hydrodynamics (SPH) implemented for interaction among partice that is element...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/10769 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | The lava flow simulation is hard and complex phenomena because there is many parameter that be involved. Lagrangian approach uses to simulate lava flow and make asumption that lava is consist of particle. Smoothed Particle Hydrodynamics (SPH) implemented for interaction among partice that is element of fluid. Physical propertis of lava fluid is density, viscosity, pressure, surface tension, temperature and external force.<p> <br />
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Using SPH method make possibility to interact between particles and other objects like terrain. Calculate neighbor particles use staggered grid algorithm, kernel function that used is Spiky Kernel and Poly6 which more accurate and stable. Detection collision between particle use Sphere Plane Sweep Test algorithm. Particle was rendering with carpet use quadtree algorithm. The lava flow seen like realistic and can to simulate physical propertis as mention above. |
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