Numerical aspects of failure modeling of amorphous thermoplastics | Zendy

Schneider Konrad | Zendy; Seelig Thomas | Zendy

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Numerical aspects of failure modeling of amorphous thermoplastics

Author(s) -

Schneider Konrad,

Seelig Thomas

Publication year - 2014

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.201410054

Subject(s) - amorphous solid , finite element method , constitutive equation , stress (linguistics) , flow (mathematics) , power law , work (physics) , exponential function , element (criminal law) , mathematics , computer science , materials science , mechanics , law , physics , mechanical engineering , engineering , structural engineering , mathematical analysis , chemistry , philosophy , linguistics , statistics , organic chemistry , political science

The present work investigates a reliable method of integrating the evolution equations of constitutive models for amorphous thermoplastics that typically utilize a power‐law or exponential‐type flow rule. When it comes to sudden changes in the external stress (e.g. element deletion technique in explicit finite element analysis) these functional dependencies need a special treatment to assure a numerically stable integration of the evolution equations. (© 2014 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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