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Position code algorithm for contact searching
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Material- och solidmekanik.ORCID-id: 0000-0001-7074-8960
Linköping Institute of Technology.
1994 (engelsk)Inngår i: International Journal for Numerical Methods in Engineering, ISSN 0029-5981, E-ISSN 1097-0207, Vol. 37, nr 3, s. 359-386Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A new global search method for general contact systems is developed and implemented in the DYNA3D program, along with a recent contact interface algorithm. The concept of `position codes' for efficient global contact searching is presented. With the position code algorithm, the problem of sorting and searching in three dimensions is transformed to a process of sorting and searching within a one-dimensional array. The cost of contact searching is of the order of N log2 N, where N is the number of nodes in the system. The proposed algorithms are uncomplicated and the implementation into any finite element code is straightforward. Numerical experiments are presented in order to examine the behaviour of the algorithms in different aspects.

sted, utgiver, år, opplag, sider
1994. Vol. 37, nr 3, s. 359-386
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URN: urn:nbn:se:ltu:diva-2691Lokal ID: 059b3f40-bb5b-11db-b560-000ea68e967bOAI: oai:DiVA.org:ltu-2691DiVA, id: diva2:975544
Merknad
Godkänd; 1994; 20070112 (cira)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2017-11-24bibliografisk kontrollert

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