The interphase finite element

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28 Citazioni (Scopus)


Mesomodelling of structures made of heterogeneous materials requires the introduction of mechanical models which are able to simulate the interactions between theadherents. Among these devices is quite popular the zero thickness interface (ZTI) model where the contact tractions and the displacement discontinuities are the primary static and kinematic variables. In some cases the joint response depends also on the internal stresses and strains within thethin layer adjacent to the joint interfaces. The interphase model, taking into account these additional variables, representsa sort of enhanced ZTI. In this paper a general theoretical formulation of the interphase model is reported and an original finite element, suitable for two-dimensional applications, is presented. A simple numerical experiment in plane stress state condition shows the relevant capabilities of the interphase element and allows to investigate its numerical performance. Some defects related to the shear locking of theelement are resolved making use of well known numerical strategies. Finally, further numerical application to masonry structures are developed.
Lingua originaleEnglish
pagine (da-a)353-366
Numero di pagine14
RivistaComputational Mechanics
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1700.1703???
  • ???subjectarea.asjc.2600.2605???
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