Displacement decomposition - incomplete factorization preconditioning techniques for linear elasticity problems

@article{Blaheta1994DisplacementD,
  title={Displacement decomposition - incomplete factorization preconditioning techniques for linear elasticity problems},
  author={Radim Blaheta},
  journal={Numerical Lin. Alg. with Applic.},
  year={1994},
  volume={1},
  pages={107-128}
}
Two preconditioning techniques for the numerical solution of linear elasticity problems are described and studied. Both techniques are based on spectral equivalence approach. The first technique consists in an incomplete factorization of the separate displacement component part of the stiffness matrix. The second technique uses an incomplete factorization of the isotropic approximation to the stiffness matrix. Results concerning existence, stability and efficiency of these preconditioning… CONTINUE READING
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