5-летний Импакт фактор:
ISSN Печать: 1543-1649
ISSN Онлайн: 1940-4352
Том 18, 2020
Том 17, 2019
Том 16, 2018
Том 15, 2017
Том 14, 2016
Том 13, 2015
Том 12, 2014
Том 11, 2013
Том 10, 2012
Том 9, 2011
Том 8, 2010
Том 7, 2009
Том 6, 2008
Том 5, 2007
Том 4, 2006
Том 3, 2005
Том 2, 2004
Том 1, 2003
International Journal for Multiscale Computational Engineering
ENHANCEMENTS TO THE INHERENT STRAIN METHOD FOR ADDITIVE MANUFACTURING ANALYSIS
Altair Engineering, Austin, TX, 78757
Altair Engineering, Austin, TX, 78757
Altair Engineering, Austin, TX, 78757
Analysis of stress and deformation of parts produced during additive manufacturing (AM) process is critical to predict
potential defects during the process and quality of parts produced. However, the complex physics of the process and
vastly different scales of the analysis require long computations on powerful computers (including exa-scale computing), which makes accurate analysis impractical. Simplified approach in published literature typically utilizes extrapolation of inherent strain theory developed for analysis of welding processes, however, results are often unsatisfactory as the AM process and geometry of produced parts is much more complex. Here we present generalization of the inherent strain into a two-level method, where the fine model (so-called mesoscale analysis) provides a whole family of inherent strain models, and the coarse model (macroscale) uses different values for inherent strain varying with location, surrounding geometry, and parameters of AM process.
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