2018
DOI: 10.1016/j.ijmecsci.2018.01.010
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Mechanical performance of wall structures in 3D printing processes: Theory, design tools and experiments

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Cited by 213 publications
(170 citation statements)
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“…In order to validate the accuracy of the parametric 3D printing model and support the implementation of the design formulas and graphs presented in [21] in engineering practice, it is useful to compare results of this model to those obtained by dedicated finite element method (FEM) analyses and supplementary 3D printing experiments. A design parameter that deserves special attention in this comparison study is the material curing rate, or, analogously, the printing velocity, since its optimisation straightforwardly leads to a reduction in printing time, and thus to a decrease of the manufacturing costs.…”
Section: Elastic Bucklingmentioning
confidence: 99%
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“…In order to validate the accuracy of the parametric 3D printing model and support the implementation of the design formulas and graphs presented in [21] in engineering practice, it is useful to compare results of this model to those obtained by dedicated finite element method (FEM) analyses and supplementary 3D printing experiments. A design parameter that deserves special attention in this comparison study is the material curing rate, or, analogously, the printing velocity, since its optimisation straightforwardly leads to a reduction in printing time, and thus to a decrease of the manufacturing costs.…”
Section: Elastic Bucklingmentioning
confidence: 99%
“…The experimental validation is directed towards free walls manufactured by 3D concrete printing, whereby the effect of the material curing rate on the failure behaviour of the wall is explored by considering walls of various widths. The validation study includes the linear and exponentially decaying, time-dependent curing processes analysed in [21], and suggests the application of a quadratic curing function if the curing process under a relatively long printing time is accelerated by thermal heating of the 3D printing facility.…”
Section: Elastic Bucklingmentioning
confidence: 99%
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“…Secondly, these models can offer the potential to further tune the existing structural optimisation strategies and help to solve key challenges in the future.To this end, different analytical models already exist and have been developed for concrete printing applications (mainly layered extrusion DFC processes). For example, Suiker[118] proposed a mechanistic model to analyse and optimise the mechanical performance of straight unreinforced wall structures in 3D printing processes. The model investigates the influence of the printing speed, curing of the material, and geometrical features on failure mechanisms such as elastic buckling and plastic collapse.…”
mentioning
confidence: 99%