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New ALE applications in non-linear fast-transient solid dynamics
dc.contributor.author | Huerta, Antonio |
dc.contributor.author | Casadei, F. |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III |
dc.date.accessioned | 2010-07-30T17:32:42Z |
dc.date.available | 2010-07-30T17:32:42Z |
dc.date.created | 1994-08 |
dc.date.issued | 1994-08 |
dc.identifier.citation | Huerta, A.; Casadei, F. New ALE applications in non-linear fast-transient solid dynamics. "Engineering computations", Agost 1994, vol. 11, núm. 4, p. 317-345. |
dc.identifier.issn | 0264-4401 |
dc.identifier.uri | http://hdl.handle.net/2117/8515 |
dc.description.abstract | The arbitrary Lagrangian—Eulerian (ALE) formulation, which is already well established in the hydrodynamics and fluid-structure interaction fields, is extended to materials with memory, namely, non- linear path-dependent materials. Previous attempts to treat non- linear solid mechanics with the ALE description have, in common, the implicit interpolation technique employed. Obviously, this implies a numerical burden which may be uneconomical and may induce to give up this formulation, particularly in fast-transient dynamics where explicit algorithms are usually employed. Here, several applications are presented to show that if adequate stress updating techniques are implemented, the ALE formulation could be much more competitive than classical Lagrangian computations when large deformations are present. Moreover, if the ALE technique is interpreted as a simple interpolation enrichment, adequate—in opposition to distorted or locally coarse—meshes are employed. Notice also that impossible computations (or at least very involved numerically) with a Lagrangian code are easily implementable in an ALE analysis. Finally, it is important to observe that the numerical examples shown range from a purely academic test to real engineering simulations. They show the effective applicability of this formulation to non-linear solid mechanics and, in particular, to impact, coining or forming analysis. |
dc.format.extent | 29 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica::Mètodes en elements finits |
dc.subject | Àrees temàtiques de la UPC::Física::Física de l'estat sòlid |
dc.subject.lcsh | Nonlinear mechanics--Mathematical models |
dc.subject.other | Applications |
dc.subject.other | Arbitrary Lagrangian—Eulerian formulation |
dc.subject.other | Finite elements |
dc.subject.other | Large boundary motion |
dc.subject.other | Non-linear continuum mechanics |
dc.subject.other | Time integration schemes |
dc.title | New ALE applications in non-linear fast-transient solid dynamics |
dc.type | Article |
dc.subject.lemac | Mecànica no lineal |
dc.subject.lemac | Elements finits, Mètode dels |
dc.contributor.group | Universitat Politècnica de Catalunya. LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria |
dc.identifier.doi | 10.1108/02644409410799317 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://www.emeraldinsight.com/journals.htm?articleid=877896 |
dc.rights.access | Open Access |
local.identifier.drac | 671921 |
dc.description.version | Postprint (author’s final draft) |
local.citation.author | Huerta, A.; Casadei, F. |
local.citation.publicationName | Engineering computations |
local.citation.volume | 11 |
local.citation.number | 4 |
local.citation.startingPage | 317 |
local.citation.endingPage | 345 |
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