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Moradi, M. (author), Gul, F.C. (author), Zarouchas, D. (author)
Developing comprehensive health indicators (HIs) for composite structures encompassing various damage types is challenging due to the stochastic nature of damage accumulation and uncertain events (like impact) during operation. This complexity is amplified when striving for HIs independent of historical data. This paper introduces an AI...
journal article 2024
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Gul, F.C. (author), Moradi, M. (author), Benedictus, R. (author), HADJRIA, RAFIK (author), LUGOVTSOVA, YEVGENIYA (author), Zarouchas, D. (author)
Under in-plane compressive load conditions, the growth of a delamination initially induced by an impact can be followed by a fast growth after a threshold level, which leads to a catastrophic failure in composite structures. To avoid reaching this critical level, it is essential to uncover the delamination size and growth pattern in real time....
conference paper 2023
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Moradi, M. (author), Gul, F.C. (author), Chiachío, Juan (author), Benedictus, R. (author), Zarouchas, D. (author)
A health indicator (HI) serves as an intermediary link between structural health monitoring (SHM) data and prognostic models, and an efficient HI should meet prognostic criteria, i.e., monotonicity, trendability, and prognosability. However, designing a proper HI for composite structures is a challenging task due to the complex damage...
conference paper 2023
document
Gul, M. (author), Elsinga, G.E. (author), Westerweel, J. (author)
This study investigates the effect of the Taylor-Couette geometry, namely the aspect ratio, Γ, and the gap width ratio, ƞ, on the torque hysteresis reported by [1]. Measurements were taken at two shear Reynolds numbers, Re s, of 5.5x10⁴ and 9x10⁴.The torque was recorded while decreasing or increasing the rotation frequency ratio a=-fo/fi,...
conference paper 2015
document
Gul, M. (author), Elsinga, G.E. (author), Westerweel, J. (author)
This study investigates the effect of the Taylor-Couette geometry, namely the aspect ratio, ?, and the gap width ratio, ?, on the torque hysteresis reported by [1]. Measurements were taken at two shear Reynolds numbers, Re s, of 5.5x10? and 9x10?.The torque was recorded while decreasing or increasing the rotation frequency ratio a=-fo/fi,...
conference paper 2015
document
Van Roermund, E. (author), Van Haarlem, S. (author), Gul, S. (author), Vermeer, M. (author)
report 1995
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