We consider the design of robust elements that can be used in hp codes for elasticity problems. Our goal is to identify an element that is free of locking for the case of a nearly incompressible material, both in terms of the h version and the p version. By this we mean that the displacements as wel
β¦ LIBER β¦
Accuracy and locking-free property of the beam element approximation for arch problems
β Scribed by Fumio Kikuchi; Kazuo Tanizawa
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 707 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0045-7949
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## Abstract This article is concerned with optimal control problems for the von KΓ‘rmΓ‘n equations with distributed controls. We first show that optimal solution exist. We then show that Lagrange multipliers may be used to enforce the consstraints and derive an optimality system from which optimal st