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Finite element simulation of laser dynamic forming

Authors: Lee, Jing Wen.;

Finite element simulation of laser dynamic forming

Abstract

Laser Dynamic Forming (LDF) is a newly developed fabrication technique that involved a non-contact process with the target material utilizing laser source. It was developed from the Laser Shock Processing that is used to replace the conventional material treatment method. It has a lot of advantages as compare to the other forming method. Fabbro model is used to model the loading of the shockwave on the target material where the laser pulse is assumed to be uniform across the surface. By using the further derived uniform shockwave pressure from Fabbro model with the Johnson-Cook Plasticity Model, the plastic deformation of copper is simulated. Then, the finite element modeling of the desired simulation condition is created. With comparison to the previous studies that was carried out, the results of various simulations is discussed in order to investigate the effects of various critical parameters on the plastic deformation process. The critical parameters include the effect of laser intensity and the aspect of mold ratio. Future possible efforts to fully understand Laser Dynamic Forming process was then discussed. Bachelor of Engineering (Mechanical Engineering)

Country
Singapore
Related Organizations
Keywords

:Engineering::Mathematics and analysis::Simulations [DRNTU]

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average