Abstract
The size of data obtained during the simulation of gas-dynamic problems may be extremely large. The visualization of those data, even using modern tools, is unacceptably slow. In the present paper, we describe the workflow of the system developed by the authors to enable visualization with tens of frames per second (FPS). The original data are converted into a special data structure based on the octree representation of spatial data. This structure provides the storage optimized in terms of memory usage and ease of access. After that, data are distributed among computational nodes. The visualization itself is performed by a set of components interacting with each other. The core of the system is a render server. The user manipulates a web interface that is directly connected with the render server and receives frames from the transporting server. The latter extracts the frames that are composed and recorded by the render server. The developed system can thus handle data with a size of up to \(10^9\) spatial nodes at frequencies higher than 20 FPS.
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Acknowledgements
The authors express their gratitude to the Russian Science Foundation for the support of their investigations (grant No. 18-11-00245).
The authors also thank the Supercomputer Center Polytechnic of Peter the Great St. Petersburg Polytechnic University for granting access to the DGX-1 server.
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Orlov, S. et al. (2021). System for the Visualization of Meshes of Big Size Obtained from Gas-Dynamic Simulations. In: Sokolinsky, L., Zymbler, M. (eds) Parallel Computational Technologies. PCT 2021. Communications in Computer and Information Science, vol 1437. Springer, Cham. https://doi.org/10.1007/978-3-030-81691-9_19
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