Geodesic
Duality method for solving model crack problem
Dalʹnevostočnyj matematičeskij žurnal, Tome 16 (2016) no. 2, pp. 137-146.

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We consider the duality method based on the use of modified Lagrangian functional for solving a model of elastic problem with a crack. An article presents the theorems, allowing to use Uzawa method for search a saddle point of the modified Lagrangian functional. The results of numerical experiments are given. 
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E. M. Vikhtenko; R. V. Namm; M. V. Chervyakova. Duality method for solving model crack problem. Dalʹnevostočnyj matematičeskij žurnal, Tome 16 (2016) no. 2, pp. 137-146. http://geodesic.mathdoc.fr/item/DVMG_2016_16_2_a2/

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