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Title:

A simple yet consistent constitutive law and mortar-based layer coupling schemes for thermomechanical part-scale simulations of metal additive manufacturing processes

Document type:
Zeitschriftenaufsatz
Author(s):
Sebastian D. Proell, Wolfgang A. Wall, Christoph Meier
Abstract:
This article proposes a coupled thermomechanical finite element model tailored to the part-scale simulation of metal additive manufacturing processes such as selective laser melting. A first focus lies on the derivation of a consistent constitutive law on basis of a Voigt-type spatial homogenization procedure across the relevant phases, powder, melt and solid. The proposed constitutive law accounts for the irreversibility of phase change and consistently represents thermally induced residual str...     »
Keywords:
Constitutive model; Thermomechanical coupling; Metal additive manufacturing; Mortar method; Finite element method
Dewey Decimal Classification:
620 Ingenieurwissenschaften
Journal title:
Advanced Modeling and Simulation in Engineering Sciences
Year:
2021
Month:
Oct
Reviewed:
ja
WWW:
https://amses-journal.springeropen.com/articles/10.1186/s40323-021-00209-1
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