Paper Information

Journal:   JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)   July 2004 , Volume 38 , Number 2 (84); Page(s) 297 To 307.
 
Paper: 

HOURGLASS MODE STABILIZATION OF THE PENTAHEDRAL FINITE ELEMENT

 
 
Author(s):  MOHAMMADI S., KARIMI ZAND K.
 
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Abstract: 

In this paper a new anti-hour glassing mode stabilization procedure is presented for the heptahedral finite elements. An explicit dynamic large deformation elastoplastic framework is used to implement the one point quadrate heptahedral element. The element is designed to perform well for the analysis of composite plates and structures where multiple cracks without any predefined direction are expected to occur. The stabilization procedure is based on the standard assumed strain method previously developed by Simo, Belytchko and others. Several numerical simulations have been carried out to verify the developed algorithm and to assess the performance of the element.

 
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