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SUMMARY:Projectile Fusion  A new challenge in applied computational scienc
 e and engineering - Dr. Nathan Joiner\, First Light Fusion\, Yarnton\, Oxf
 ordshire
DTSTART:20220523T183000Z
DTEND:20220523T200000Z
UID:TALK172382@talks.cam.ac.uk
CONTACT:John Cook
DESCRIPTION:Projectile fusion is a new approach to inertially confined fus
 ion (ICF) that is simpler\, more energy efficient\, and has lower physics 
 risk. Inertial fusion is a pulsed process\, like an internal combustion en
 gine. Each target releases a large amount of energy. A pulsed approach giv
 es great design flexibility\, trading off energy per shot and frequency. O
 ur aim is the lowest risk plant design possible. High energy per shot redu
 ces physics risk\, and slower frequency and small overall plant size reduc
 e the engineering risk.\n\nThe key enabler is First Light’s unique new t
 arget technology. Successful target design is facilitated by rapid iterati
 on. Enormous parameter spaces must be explored in a tractable and accurate
  way to identify robust optima. This is achieved by employing hierarchies 
 of numerical model sophistication and fidelity\, which generally trade-off
  execution time. Modern machine-learning approaches have the potential to 
 tip this balance. Final target assessment comes from complex codes coverin
 g a vast range of physical scales and phenomena. Comprehensive verificatio
 n and validation of these codes is essential to the system design cycle. S
 oftware quality must be assured at all times\; algorithms must precisely r
 epresent the mathematical model and its solution\, simulations must be rep
 roducible\, and the impact of code changes on historical results must be t
 racked. High software quality is essential to high scientific quality.\n\n
 This approach has been successfully demonstrated in our experimental campa
 igns\, most notably with the first ever observations of nuclear fusion fro
 m projectile driven targets.
LOCATION:Location: Wolfson Lecture Theatre\, Churchill College\, and Zoom
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