Title :
Parallel unsteady flow line integral convolution for high-performance dense visualization
Author :
Zi´ang Ding ; Zhanping Liu ; Yu Yang ; Wei Chen
Author_Institution :
Dept. of Comput. Sci., Purdue Univ., West Lafayette, IN, USA
Abstract :
This paper presents an accurate parallel implementation of unsteady flow line integral convolution (UFLIC) for high-performance visualization of large time-varying flows. Our approach differs from previous implementations by using a novel value scattering+gathering mechanism to parallelize UFLIC and designing a pathline reuse strategy to reduce the computational cost of pathline integration. By exploiting the massive parallelism of modern graphical processing units (GPU), the proposed method allows for real-time dense visualization of unsteady flows with high spatial-temporal coherence.
Keywords :
computational fluid dynamics; convolution; data visualisation; flow visualisation; integral equations; integration; GPU; UFLIC; graphical processing units; high spatial-temporal coherence; high-performance dense visualization; large time-varying flows; parallel implementation; parallel unsteady flow line integral convolution; pathline integration; pathline reuse strategy; real-time dense visualization; Animation; Coherence; Convolution; Data visualization; Graphics processing units; Visualization; I.3.3 [Computer Graphics]: Pictures / Image Generation;
Conference_Titel :
Visualization Symposium (PacificVis), 2015 IEEE Pacific
Conference_Location :
Hangzhou
DOI :
10.1109/PACIFICVIS.2015.7156352