Numerische Mathematik

, Volume 62, Issue 1, pp 439–463 | Cite as

Locking effects in the finite element approximation of elasticity problems

  • Ivo Babuška
  • Manil Suri


We consider the finite element approximation of the 2D elasticity problem when the Poisson ratiov is close to 0.5. It is well-known that the performance of certain commonly used finite elements deteriorates asv→0, a phenomenon calledlocking. We analyze this phenomenon and characterize the strength of the locking androbustness of varioush-version schemes using triangular and rectangular elements. We prove that thep-andh-p versions are free of locking with respect to the error in the energy norm. A generalization of our theory to the 3D problem is also discussed.

Mathematics Subject Classification (1991)



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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • Ivo Babuška
    • 1
  • Manil Suri
    • 2
  1. 1.Institute of Physical Science and TechnologyUniversity of MarylandCollege ParkUSA
  2. 2.Department of Mathematics and StatisticsUniversity of Maryland Baltimore CountyBaltimoreUSA

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