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Fringe Projection Assisted Horizontal Impact Testing

D. Schleh1, D. Liu1

MSU, East Lansing, MI, U.S.A.

Structural Durability & Health Monitoring 2013, 9(3), 201-216.


Understanding the response of composite materials to dynamic loading is necessary for their safe and efficient application to many of the world’s engineering designs where stiffness-to-weight ratios are vitally important. In this study, fringe projection was used and evaluated as means to measure the out-of-plane displacement of composite materials from impact loading involving a projectile accelerated horizontally through the use of gas. The capability of providing out-ofplane deformation measurements can largely enrich the investigation of composite materials under horizontal impact which are commonly performed without any measurement other than projectile velocity. The out-of-plane displacement history was subsequently used in an attempt to evaluate the velocity, acceleration and force histories of the impacted composite materials. An impact based bending stiffness could also be obtained for calculating the composites’ resistance to impact loading. However, it should be noted that the duration and energy of the impact events to which fringe projection can be applied is not without limits.


Cite This Article

Schleh, D., Liu, D. (2013). Fringe Projection Assisted Horizontal Impact Testing. Structural Durability & Health Monitoring, 9(3), 201–216.


This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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