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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F09%3A10082101%21RIV11-MSM-11320___
rdf:type
n6:Vysledek skos:Concept
dcterms:description
This paper presents a new technique for modification of 3D terrains by hydraulic erosion. It efficiently couples fluid simulation using a Lagrangian approach, namely the Smoothed Particle Hydrodynamics (SPH) method, and a physically-based erosion model adopted from an Eulerian approach. The eroded sediment is associated with the SPH particles and is advected both implicitly, due to the particle motion, and explicitly, through an additional velocity field, which accounts for the sediment transfer between the particles. We propose a new donor-acceptor scheme for the explicit advection in SPH. Boundary particles associated to the terrain are used to mediate sediment exchange between the SPH particles and the terrain itself. Our results show that this particle-based method is efficient for the erosion of dense, large, and sparse fluid. Our implementation provides interactive results for scenes with up to 25,000 particles. This paper presents a new technique for modification of 3D terrains by hydraulic erosion. It efficiently couples fluid simulation using a Lagrangian approach, namely the Smoothed Particle Hydrodynamics (SPH) method, and a physically-based erosion model adopted from an Eulerian approach. The eroded sediment is associated with the SPH particles and is advected both implicitly, due to the particle motion, and explicitly, through an additional velocity field, which accounts for the sediment transfer between the particles. We propose a new donor-acceptor scheme for the explicit advection in SPH. Boundary particles associated to the terrain are used to mediate sediment exchange between the SPH particles and the terrain itself. Our results show that this particle-based method is efficient for the erosion of dense, large, and sparse fluid. Our implementation provides interactive results for scenes with up to 25,000 particles.
dcterms:title
Hydraulic Erosion Using Smoothed Particle Hydrodynamics Hydraulic Erosion Using Smoothed Particle Hydrodynamics
skos:prefLabel
Hydraulic Erosion Using Smoothed Particle Hydrodynamics Hydraulic Erosion Using Smoothed Particle Hydrodynamics
skos:notation
RIV/00216208:11320/09:10082101!RIV11-MSM-11320___
n3:aktivita
n8:R n8:Z
n3:aktivity
R, Z(MSM0021620838)
n3:cisloPeriodika
2
n3:dodaniDat
n13:2011
n3:domaciTvurceVysledku
n15:6335462
n3:druhVysledku
n18:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
318112
n3:idVysledku
RIV/00216208:11320/09:10082101
n3:jazykVysledku
n4:eng
n3:klicovaSlova
SPH; Smoothed Particle Hydrodynamics; Hydraulic Erosion; Computer graphics
n3:klicoveSlovo
n5:Hydraulic%20Erosion n5:Smoothed%20Particle%20Hydrodynamics n5:SPH n5:Computer%20graphics
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[0CBAB98FBB8E]
n3:nazevZdroje
Computer Graphics Forum
n3:obor
n10:IN
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n13:2009
n3:svazekPeriodika
28
n3:tvurceVysledku
Šťava, Ondřej Křivánek, Jaroslav Krištof, Peter Beneš, Bedřich
n3:wos
000264544700007
n3:zamer
n17:MSM0021620838
s:issn
0167-7055
s:numberOfPages
10
n16:organizacniJednotka
11320