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- W2007459898 abstract "[1] One of the most widely used numerical modeling techniques in geodynamics to study the evolution of geomaterials is the “marker-and-cell” technique. In such methods the material lithology is represented by Lagrangian particles (markers), while the continuum equations are solved on a background mesh. Significant research has been devoted to improving the efficiency and scalability of these numerical methods to enable high-resolution simulations to be performed on modest computational resources. In contrast, little attention has been given to developing visualization techniques suitable for interrogation high-resolution 3D particle data sets. We describe an efficient algorithm for performing a volume reconstruction of the lithology field defined via particles (code available upon request from the author). The algorithm generates an Approximate Voronoi Diagram (AVD) which transforms particle data sets into a cell-based, volumetric data set. The volumetric representation enables cross sections of the material configuration to be constructed efficiently and unambiguously, thereby enabling the interior material structure of the simulation results to be analyzed. Examples from geodynamic simulations are used to demonstrate visual results possible using this visualization technique. Performance comparisons are made between existing implementations of exact and approximate Voronoi diagrams. Overall, the AVD developed herein is found to be extremely competitive as a visualizing tool for massive particle data sets as it is extremely efficient, has low memory requirements and can be trivially used in a distributed memory computing environment." @default.
- W2007459898 created "2016-06-24" @default.
- W2007459898 creator A5048691898 @default.
- W2007459898 date "2012-05-31" @default.
- W2007459898 modified "2023-09-26" @default.
- W2007459898 title "Volume reconstruction of point cloud data sets derived from computational geodynamic simulations" @default.
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- W2007459898 doi "https://doi.org/10.1029/2012gc004170" @default.
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