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Article
Open AccessTwo-level method part-scale thermal analysis of laser powder bed fusion additive manufacturing
Numerical simulations of a complete laser powder bed fusion (LPBF) additive manufacturing (AM) process are extremely challenging, or even impossible, to achieve without a radical model reduction of the complex...
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Chapter and Conference Paper
Additive Manufacturing: Challenges and Opportunities for Structural Mechanics
Additive Manufacturing (AM) is an innovative manufacturing technology which has known over the recent years a widespread adoption among many key industrial sectors. However, the potentiality of such a technolo...
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Chapter
The Finite Cell Method for Simulation of Additive Manufacturing
Additive manufacturing processes are driven by moving laser-induced thermal sources which induce strong heat fluxes and fronts of phase change coupled to mechanical fields. Their numerical simulation poses sev...
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Article
Open AccessNumerical Evaluation of Advanced Laser Control Strategies Influence on Residual Stresses for Laser Powder Bed Fusion Systems
Process-dependent residual stresses are one of the main burdens to a widespread adoption of laser powder bed fusion technology in industry. Residual stresses are directly influenced by process parameters, such...
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Article
Hierarchically refined isogeometric analysis of trimmed shells
This work focuses on the study of several computational challenges arising when trimmed surfaces are directly employed for the isogeometric analysis of Kirchhoff–Love shells. To cope with these issues and to r...
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Chapter
Reduced Order Isogeometric Analysis Approach for PDEs in Parametrized Domains
In this contribution, we coupled the isogeometric analysis to a reduced order modelling technique in order to provide a computationally efficient solution in parametric domains. In details, we adopt the free-f...
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Article
Graded-material design based on phase-field and topology optimization
In the present work we introduce a novel graded-material design based on phase-field and topology optimization. The main novelty of this work comes from the introduction of an additional phase-field variable i...
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Article
Accurate Prediction of Melt Pool Shapes in Laser Powder Bed Fusion by the Non-Linear Temperature Equation Including Phase Changes
In this contribution, we validate a physical model based on a transient temperature equation (including latent heat), w.r.t. the experimental set AMB2018-02 provided within the additive manufacturing benchmark...
