A penalty-based finite element interface technology

Antonio Pantano, Antonio Pantano, Ronald C. Averill

Risultato della ricerca: Articlepeer review

35 Citazioni (Scopus)


An effective and robust interface element technology able to connect independently modeled finite element subdomains is presented. This method has been developed using the penalty constraints and allows coupling of finite element models whose nodes do not coincide along their common interface. Additionally, the present formulation leads to a computational approach that is very efficient and completely compatible with existing commercial software. A significant effort has been directed toward identifying those model characteristics (element geometric properties, material properties and loads) that most strongly affect the required penalty parameter, and subsequently to developing simple "formulae" for automatically calculating the proper penalty parameter for each interface constraint. This task is especially critical in composite materials and structures, where adjacent subregions may be composed of significantly different materials or laminates. This approach has been validated by investigating a variety of two-dimensional problems, including composite laminates.
Lingua originaleEnglish
pagine (da-a)1725-1748
Numero di pagine24
Stato di pubblicazionePublished - 2002

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2600.2611???
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  • ???subjectarea.asjc.2200.2210???
  • ???subjectarea.asjc.1700.1706???


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