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CATEGORIES:Engineering Department Structures Research Seminar
s
SUMMARY:Enriched simulations in computational mechanics -
John Trevelyan\, University of Durham
DTSTART;TZID=Europe/London:20190118T150000
DTEND;TZID=Europe/London:20190118T160000
UID:TALK115270AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/115270
DESCRIPTION:In classical finite element and boundary element m
ethods we seek the solution to a boundary-value pr
oblem in a space of piecewise polynomial functions
. There are some classes of problems for which thi
s approach leads to inefficiencies\, sometimes so
severe that it becomes infeasible to solve the pro
blem. In these cases\, we can make progress by usi
ng functions other than the conventional polynomia
ls\, the choice of these functions being informed
by our knowledge of the form of the solution. In t
his seminar we will look at the solution to a rang
e of problems in fracture mechanics\, wave propaga
tion and heat transfer - each requiring a differen
t enrichment strategy - showing how accurate solut
ions may be obtained on coarse meshes.\n \nJon Tre
velyan is a Professor of Engineering at Durham Uni
versity\, UK. Following his PhD he worked for 11 y
ears in the commercial software industry in the UK
and USA\, before returning to academia. Jonâ€™s res
earch involves developing finite element and bound
ary element methods for classes of problem for whi
ch traditional methods become inefficient\, inaccu
rate or impractical. A unifying feature of these w
orks is the use of approximating functions beyond
the piecewise polynomials conventionally used in t
hese methods. In 2017 Jon completed his four-year
term as Head of Durham's School of Engineering and
Computing Sciences.\n
LOCATION: Cambridge University Engineering Department\, LT6
CONTACT:Karen Mitchell
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