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CATEGORIES:Engineering - Mechanics and Materials Seminar Seri
 es
SUMMARY:Some recent multiphysics problems in geomechanics 
 - Professor Kenichi Soga\, CUED
DTSTART;TZID=Europe/London:20110204T140000
DTEND;TZID=Europe/London:20110204T150000
UID:TALK28571AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/28571
DESCRIPTION:Soils are diverse\, ranging from more common mater
 ials such as clay\, silt and sand to less familiar
  soils such as peat and methane hydrate soils. The
 y are particulate\, and this particular nature lea
 ds to response characteristics such as dilatancy\,
  the importance of state\, stress dependant streng
 th and stiffness\, non-linearity etc. Furthermore 
 geomechanics problems require multiphysics analysi
 s. For example\, the material response is influenc
 ed by pore pressure and temperature. Hence geotech
 nical engineers often spend much of their time mea
 suring the mechanical behavior of geomaterials and
  picking the "right" model to solve the problem. S
 uch tasks are becoming more important nowadays as 
 the use of numerical methods like the finite eleme
 nt method is standard engineering practice. The ta
 lk will cover the following multiphysics problems 
 that the speaker has been involved with. (1) Long-
 term effect of tunneling in London clay addressing
  the importance of small strain stiffness and anis
 otropy\, (2) Large scale submarine landslide highl
 ighting the need of a large deformation model and 
 (3) Wellbore simulation of methane production show
 ing the development of a model for methane hydrate
  soil.
LOCATION:Oatley Seminar Room\, Department of Engineering
CONTACT:Ms Helen Gardner
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