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DTSTAMP:20210916T132528Z
LOCATION:Ernesto Bertarelli
DTSTART;TZID=Europe/Stockholm:20210706T110000
DTEND;TZID=Europe/Stockholm:20210706T130000
UID:submissions.pasc-conference.org_PASC21_sess128@linklings.com
SUMMARY:Excellerat - Extreme CFD for Engineering Applications, Part I
DESCRIPTION:Minisymposium\n\nComputational fluid dynamics is one of the ma
 in drivers of exascale computing, both due to its high relevance in today'
 s world (from nano fluidics up to planetary flows), but also due to the in
 herent multiscale properties of turbulence. The numerical treatment is not
 oriously difficult due to the disparate scales in turbulence, and the need
  for resolving local features. In addition, aspects such as the quantifica
 tion of (internal or external) uncertainties is becoming a necessity, toge
 ther with in-situ visualisation/postprocessing. The recent trend in numeri
 cal methods goes towards high-fidelity methods (for instance continuous an
 d discontinuous Galerkin) which are suitable for modern computers; however
 , relevant issues such as scaling, accelerators and heterogeneous systems,
  high-order meshing and error control, are still far from solved when it c
 omes to largest scale simulations, e.g. in automotive and aeronautical app
 lications. This two part minisymposium brings together eight experts from 
 various international institutions (Europe, America, Japan) to discuss cur
 rent and future issues of extreme scale CFD in engineering applications, w
 ith special focus on accurate CFD methods, and their implementation on cur
 rent HPC systems. The interaction between participants of the Horizon2020 
 Centre of Excellence Excellerat and external experts will be particularly 
 fruitful.\n\nSpliss: Transparent Integration of Emerging HPC Technologies 
 into CFD Solvers and Applications\n\nWagner, Krzikalla, Rempke, Gerhold\n\
 nSolving linear equation systems is an integral part of implicit methods i
 n computational fluid dynamics (CFD). It affects their numerical robustnes
 s as well as their computational efficiency. The efficient solving of larg
 e linear systems that result from the discretization of the Reynolds-avera
 ged N...\n\n---------------------\nTowards High-Fidelity Industrial Fluid 
 Dynamics Simulations at High Order\n\nMoxey\n\nAs engineers look to increa
 se the fidelity of their simulations, there is a keen interest in moving a
 way from present industry-standard techniques such as RANS, which is imple
 mented at the heart of most commerical software, towards transient large e
 ddy simulations (LES), which offer increased fideli...\n\n----------------
 -----\nSpectral Element Based Flow Simulations on the SX-Aurora TSUBASA\n\
 nJansson\n\nFollowing the recent transition in the high-performance comput
 ing landscape to more heterogeneous architectures, application developers 
 are faced with the challenge of ensuring good performance across a diverse
  set of platforms. We present our work on porting a high-order spectral el
 ement based inco...\n\n---------------------\nPerformance Evaluation and O
 ptimization of Cartesian CFD Code CUBE on Fugaku\n\nAndo, Onishi, Li, Kuma
 hata, Minami...\n\nWe conducted a performance evaluation and optimization 
 of the Cartesian CFD code CUBE on supercomputer Fugaku. CUBE is a simulati
 on framework for complex industrial flow problems, such as vehicles' aerod
 ynamics, based on a hierarchical Cartesian mesh. At first, we evaluated th
 e performance of the co...\n\n\nDomain: CS and Math, Physics, Engineering
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