Volume 12 Issue 4
Dec.  2006
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FENG Xiang-dong, LIU Wei-hu, WEI Dong-ping, 2006. NUMERICAL SIMULATION AND DYNAMIC ANALYSIS OF THE STRESS FIELD OF THE INDO-AUSTRALIAN PLATE. Journal of Geomechanics, 12 (4): 429-440.
Citation: FENG Xiang-dong, LIU Wei-hu, WEI Dong-ping, 2006. NUMERICAL SIMULATION AND DYNAMIC ANALYSIS OF THE STRESS FIELD OF THE INDO-AUSTRALIAN PLATE. Journal of Geomechanics, 12 (4): 429-440.

NUMERICAL SIMULATION AND DYNAMIC ANALYSIS OF THE STRESS FIELD OF THE INDO-AUSTRALIAN PLATE

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  • Received: 2005-09-27
  • Published: 2006-12-28
  • The types and nature of the Indo-Australian plate are very complex.A 3D lithosphere model of the Indo-Australian plate is constructed and numerical simulation of the tectonic stress field of the Indo-Australian plate is performed by using the pseudo-3D finite element method and adopting the WSM2000 observed stress data and stress state as constraints,and then the influence of the boundary forces applied at the Indo-Australian plate on the intraplate stress field is discussed.The results show that the intraplate tectonic stress field of the IndoAustralian plate is mainly controlled by two factors:(1) the asthenospheric static push;and(2) the resistance coming from collision zones,including Himalaya,Papua New Guinea,New Zealand and the northwestern boundary between the Indo-Australian plate and Eurasian plate.However,the effect of the extensional forces from the subduction zone on the intraplate stress field is relatively small.

     

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