Date/Time: Mon Apr 07 2025 at 15:00<br/><br/>Location: ISAC II Conf. Room<br/><br/>Speaker: Nicolas Savard (TRIUMF)<br/><br/>Title: Development of a 1D Charge- and Energy-Conserving Implicit Particle-in-Cell Code<br/><br/>Abstract: Particle-in-Cell (PIC) codes are essential for simulating plasma dynamics, but explicit momentum-conserving methods are computationally expensive due to strict constraints on spatial and temporal resolution. This is particularly challenging for high-density (>10^17 m-3) and low-temperature (<10 eV) plasmas, such as those in ion sources. Nonlinear implicit PIC solvers have been proposed to relax these constraints, potentially enabling faster 2D and 3D simulations. To evaluate these benefits, we develop a 1D implicit electrostatic PIC code that conserves charge and energy, benchmarking it against an explicit PIC implementation. While implicit methods allow for coarser resolution, we find that reduced accuracy limits the practical speedup, suggesting that the trade-offs are more significant than often assumed.
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https://ubc.zoom.us/j/69834209644?pwd=a8WnaydISBIfvAUX977TiKX3f0PAbo.1<br/><br/> <br/><br/>______________________________<br/><br/>Detailed information available can be found at <a href='https://www.triumf.ca/research-program/lectures-conferences/upcoming-seminars-lectures'>https://www.triumf.ca/research-program/lectures-conferences/upcoming-seminars-lectures</a> <br/><br/>