Yves Gourinat

TL;DR: In this article, the fabrication and mechanical testing of entangled sandwich beam specimens and the comparison of their results with standard sandwich specimens with honeycomb and foam as core materials are presented, showing that entangled sandwich beams are suitable for vibro-acoustic applications where structural strength is of secondary importance.

TL;DR: In this article, a damage detection and localization tool using the topology optimization feature of Nastran is presented, which is based on the correlation of a local stiness loss and the change in modal parameters due to damages in structures.

TL;DR: In this paper, an open-loop control methodology was developed to compensate hysteresis and creep in a piezoelectric actuator simultaneously for quasi-static space active applications.

TL;DR: Three regolith simulant preparation methods have been tested and are presented here (rain, pour, vibrate) to enable researchers and hardware developers to test their prototypes in controlled and repeatable conditions.

TL;DR: In this article, a dual-reciprocating drilling (DRD) was used for the first time in planetary regolith simulants and the soil forces on the drill bit were analyzed and the final depth reached by the DRD system was compared to the final depths reached by static penetration.