The augmented Lagrangian method as a framework for stabilised methods in computational mechanics

07/01/2022

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by   Erik Burman, et al.

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In this paper we will review recent advances in the application of the augmented Lagrange multiplier method as a general approach for generating multiplier–free stabilised methods. We first show how the method generates Galerkin/Least Squares type schemes for equality constraints and then how it can be extended to develop new stabilised methods for inequality constraints. Application to several different problems in computational mechanics is given.