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{{Computational physics}}
In [[computational model|computational modelling]], '''multiphysics simulation''' (often shortened to simply "multiphysics") is defined as the simultaneous simulation of different aspects of a physical system or systems and the interactions among them.<ref name=":0">{{Cite book|last=Liu|first=Zhen|url=https://www.worldcat.org/oclc/1044733613|title=Multiphysics in Porous Materials|date=2018|publisher=Springer|isbn=978-3-319-93028-2|___location=Cham, Switzerland|oclc=1044733613}}</ref> For example, simultaneous simulation of the physical stress on an object, the temperature distribution of the object and the thermal expansion which leads to the variation of the stress and temperature distributions would be considered a multiphysics simulation.<ref>{{Cite news|url=https://eandt.theiet.org/content/articles/2015/03/multiphysics-brings-the-real-world-into-simulations/|title=Multiphysics brings the real world into simulations|date=2015-03-16|access-date=2018-08-19|language=en-US}}</ref> Multiphysics simulation is related to multiscale simulation, which is the simultaneous simulation of a single process on either multiple time or distance scales.<ref>{{Cite journal|last1=Groen|first1=Derek|last2=Zasada|first2=Stefan J.|last3=Coveney|first3=Peter V.|date=March 2014|title=Survey of Multiscale and Multiphysics Applications and Communities|url=https://doi.org/10.1109/MCSE.2013.47|journal=Computing in Science & Engineering|volume=16|issue=2|pages=34–43|arxiv=1208.6444|doi=10.1109/mcse.2013.47|s2cid=6301539 |issn=1521-9615}}</ref>
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