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A computational framework for analyzing the dynamic behavior and failure of amorphous polymers
Texas A&M University, College Station.
2008 (English)In: Earth & space 2008: engineering, science, construction, and operations in challenging environments ; March 3 - 5, 2008, Long Beach, California ; proceedings of the Eleventh Biennial ASCE Aerospace Division International Conference on Engineering, Science, Construction, and Operations in Challenging Environments ; 3rd NASA/ARO/ASCE Workshop on Granular Materials in Lunar and Martial Exploration / [ed] Wieslaw K. Binienda, Reaston, Va: American Society of Civil Engineers (ASCE), 2008Conference paper (Refereed)
Abstract [en]

A framework is presented for analyzing the low-temperature inelastic behavior of a class of amorphous polymers with full account taken of finite deformations and inertial effects. Viscoplastic constitutive equations are used and supplemented with a new model for craze initiation, growth and breakdown. The capabilities of the framework are illustrated by finite element solutions of initial/boundary-value problems under plane strain conditions. Three illustrative benchmark problems are used to evaluate the proposed implementation: shear band formation and propagation under compression, dynamic response under impact and quasi-static response of a polymer composite unit-cell subject to uniaxial tension transverse to fibers.

Place, publisher, year, edition, pages
Reaston, Va: American Society of Civil Engineers (ASCE), 2008.
URN: urn:nbn:se:ltu:diva-34106Local ID: 8379df84-cb47-48b7-b9c9-d318b36d88a3ISBN: 9780784409886 (print)OAI: diva2:1007356
Earth & Space Conference : 03/03/2008 - 06/03/2008
Upprättat; 2008; 20130213 (andbra)Available from: 2016-09-30 Created: 2016-09-30

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Talreja, Ramesh

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