1999
DOI: 10.1002/(sici)1097-0207(19990320)44:8<1079::aid-nme543>3.0.co;2-i
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Free surfaces: shape sensitivity analysis and numerical methods

Abstract: In this paper we consider numerical methods for stationary free boundary problems. We start by analysing systematically di erent shape optimization formulations of a model problem and show how the optimality conditions relate to construction of trial type methods. Shape sensitivity analysis of the free boundary leads also to the so-called total linearization method which combines the good properties of Newton method and trial methods, i.e. fast convergence and relative simplicity of implementation. Detailed im… Show more

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Cited by 22 publications
(21 citation statements)
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“…[26][27][28]. The use of shape calculus appears to provide a convenient rigorous setting compared to formal asymptotic developments as in [2,16].…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…[26][27][28]. The use of shape calculus appears to provide a convenient rigorous setting compared to formal asymptotic developments as in [2,16].…”
Section: Discussionmentioning
confidence: 99%
“…It is therefore more related to Newton-based iteration algorithms in continuous settings as presented in [3,16], for example. In particular, we mention the works of Kärkkäinen [26] and Kärkkäinen and Tiihonen [27,28] who appropriately apply the techniques of shape differential calculus, though in a formal sense.…”
Section: Van Der Zee Van Brummelen and De Borstmentioning
confidence: 99%
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“…The shape-linearization approach has been investigated for Bernoulli-type free-boundary problems in [14,25].…”
Section: Der Zee Van Brummelen and De Borstmentioning
confidence: 99%
“…First, a variational formulation may be considered and the corresponding cost function minimized [16,20,23]; this requires the calculations of shape gradients. Second, a fixed point type approach can be set up where a sequence of elliptic problems are solved in a sequence of converging domains, those domains being obtained through some updating rule at each iteration [5,8,21]. The method studied in this paper falls in the latter category.…”
Section: Introductionmentioning
confidence: 99%