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[IEEE 2018 IEEE 38th Central America and Panama Convention (CONCAPAN XXXVIII) - San Salvador, El Salvador (2018.11.7-2018.11.9)] 2018 IEEE 38th Central America and Panama Convention (CONCAPAN XXXVIII) - Parallelization of a Magnetohydrodynamics Model for Plasma Simulation
摘要： Plasma simulations are inherently complex due to the numerous and intricate processes that naturally occur to matter in this state. Computer simulations and visualizations of plasma help researchers and scientists understand the physics that takes place in it. We have developed a parallel implementation of an application used to simulate and visualize the process of convection in plasma cells. This application implements a magnetohydrodynamics (MHD) approach to plasma modeling by numerically solving a fourth-order two-dimensional differential scheme. Results of experimentation with our parallel implementation are presented and analyzed. We managed to speedup the program by a factor of nearly 42× after parallelizing the code with OpenMP and using 128 cores on our Intel Xeon Phi KNL server. We also achieved an almost linear scalability of the execution time when increasing the size of the spatial and temporal domains.
关键词： plasma,physics simulation,OpenMP,MHD
更新于2025-09-23 15:22:29
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A Model on Heat Signal of Crystal Detector at Low Temperature
摘要： We present a model to calculate heat signal shapes from low-temperature bolometer attached to a crystal. This model is based on the elementary acoustic wave theory at low temperature and has been developed using modern Monte Carlo techniques. Physical processes in phonon propagation, such as transmission, scattering and re?ection are considered. Using our model, the calculated time dependence of signal agrees with real experimental data. This model has applications in low-temperature rare event particle detectors for dark matter and neutrinos.
关键词： Cryogenic calorimeter,Lattice dynamics,Phonon physics,Simulation,Acoustic wave
更新于2025-09-09 09:28:46