A higher‐order equilibrium finite element method

Summary In this paper, a mixed spectral element formulation is presented for planar, linear elasticity. The degrees of freedom for the stress are integrated traction components, ie, surface force components. As a result, the tractions between elements are continuous. The formulation is based on mini...

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Vydané v:	International journal for numerical methods in engineering Ročník 114; číslo 12; s. 1262 - 1290
Hlavní autori:	Olesen, K., Gervang, B., Reddy, J. N., Gerritsma, M.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Bognor Regis Wiley Subscription Services, Inc 22.06.2018
Predmet:	curvilinear coordinates Elasticity Energy conservation Equilibrium Finite element method interelement continuity of the tractions Lagrange multiplier mixed finite element formulation pointwise equilibrium of forces stress singularity
ISSN:	0029-5981, 1097-0207
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