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SUMMARY:OpenFOAM: Object-Oriented Software in Computational Continuum Mech
 anics - Dr. Hrvoje Jasak (The Cavendish Laboratory\, University of Cambrid
 ge)
DTSTART:20220225T123000Z
DTEND:20220225T133000Z
UID:TALK169235@talks.cam.ac.uk
CONTACT:99736
DESCRIPTION:Increasing computing power and established numerical modelling
  techniques drive the numerical modelling in continuum mechanics beyond th
 e basics of structural analysisand fluid flow. Software implementation of 
 complex and coupled physical poses challenges beyond the current generatio
 n of simulation tools. A new\, flexible and efficient model implementation
  framework is needed. One possible answer is object orientation. OpenFOAM 
 (Field Operation And Manipulation) is an open source object-oriented numer
 ical simulation library aimed at complex physics modelling and will be des
 cribed in this seminar. \n\nOpenFOAM handles continuum models by mimicking
  partial differential equations in software. Polyhedral Finite Volume disc
 retisation is implemented in operator form (e.g. temporal derivatives\, gr
 adient\, divergence\, source and sink terms)\, and operators are combined 
 to form equations. Efficiency and elegance in implementation is achieved t
 hrough layered development and extensive code re-use\, where various compo
 nents (e.g. mesh handling\, field algebra and calculus\, discretisation\, 
 linear  algebra and solvers\, dynamic meshing etc.) are developed and vali
 dated in isolation.\n\nAuxiliary tools support the  basic  solvers\, provi
 ding pre- and post-processing interfaces\, dynamic mesh handling\, real ma
 terial properties\, massive  parallelism\, Lagrangian particle model and o
 ther tools present in a modern CFD solver. The library is completed with a
  suite of physical models\, covering incompressible\, compressible\, multi
 -phase and free surface fluid flow\, a suite of 30 RANS and LES turbulence
  models\, combustion\, spray and in-cylinder simulations\, structural anal
 ysis\, electromagnetics and fluid-structure interaction.\n\nToday\, OpenFO
 AM is a leading Open Source CFD tool\, rapidly expanding in the research c
 ommunity and among industrial users. The talk will be completed with examp
 les of application of OpenFOAM in fluid flow and structural analysis and a
  review of contributing organisations\, active research areas and future d
 evelopment plans.
LOCATION:CUED\, LT6
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