Abstract
This paper presents the application of a new method for the identification and quantification of interval valued spatial uncertainty under scarce data.Specifically, full-field strain measurements, obtained via Digital Image Correlation, are applied in conjunction with a quasi-static finite element model.To apply these high-dimensional but scarce data, extensions to the novel method are introduced.A case study, investigating spatial uncertainty in Young's modulus of PA-12 parts, produced via Laser Sintering, shows that an accurate quantification of the constituting uncertainty is possible, albeit being somewhat conservative with respect to deterministic values reported in literature.
Highlights
They key objective of a modern design engineer is to develop a deterministic structure that is reliable in a non-deterministic environment
This paper presents the application of a new method for the identification and quantification of interval valued spatial uncertainty under scarce data
The quantified interval scalars corresponding to the two base functions are respectively [1.58; 2.15] · 106 MPa and [1.81; 2.35] · 106 MPa, which agrees rather well with the results presented in [19]
Summary
They key objective of a modern design engineer is to develop a deterministic structure that is reliable in a non-deterministic environment. This paper presents the application of a new method for the identification and quantification of interval valued spatial uncertainty under scarce data. Full-field strain measurements, obtained via Digital Image Correlation, are applied in conjunction with a quasi-static finite element model.
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