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DTSTAMP:20210916T132452Z
LOCATION:Ernesto Bertarelli
DTSTART;TZID=Europe/Stockholm:20210707T153000
DTEND;TZID=Europe/Stockholm:20210707T160000
UID:submissions.pasc-conference.org_PASC21_sess144_msa295@linklings.com
SUMMARY:Ensemble Computations - Present and Future of Engineering Computin
 g
DESCRIPTION:Minisymposium\n\nEnsemble Computations - Present and Future of
  Engineering Computing\n\nLaccarino\n\nComputer simulations are pervasive 
 in science and engineering. Computations, together with theoretical analys
 is and experiments, constitute the foundation for building knowledge, whet
 her it be to investigate a new physical phenomena or to assess the perform
 ance of an innovative device. However, a single computation, despite its s
 ophistication and complexity, can rarely provide sufficient and credible e
 vidence to support a decision. To build confidence in computed outcomes, o
 ne typically conducts sensitivity analyses, investigates uncertainty, and 
 explores design variations. All these approaches require an ensemble of co
 mputations  whose results we combine rigorously via statistical analy
 sis or optimization. In this talk we discuss the use of ensemble of simula
 tions for multidisciplinary design under uncertainty; we have developed a 
 novel algorithms to handle ensemble with different fidelity implemented in
  a new programming environment that enables the efficient use of next gene
 ration supercomputers. Furthermore a theoretical framework for optimal mul
 ti-fidelity scheduling on heterogeneous computer architectures will be dis
 cussed. I will also provide a perspective on the present and the future of
  computational engineering research at Stanford.\n\nDomain: CS and Math, E
 merging Applications, Physics, Engineering
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