A nonlinear analytical model for predicting bond behavior of FRP-to-concrete/steel substrate joints subjected to temperature variations

2022 ◽  
Vol 320 ◽  
pp. 126225
Author(s):  
Kun Dong ◽  
Jianwen Hao ◽  
Peng Li ◽  
Caiqun Zhong
Keyword(s):  
Analytical Model ◽  
Steel Substrate ◽  
Temperature Variations ◽  
Bond Behavior ◽  
Nonlinear Analytical Model

scholarly journals Short-term bond behavior and debonding capacity of prestressed CFRP composites to steel substrate

2018 ◽  
Vol 176 ◽  
pp. 935-947 ◽  
Author(s):  
Ardalan Hosseini ◽  
Elyas Ghafoori ◽  
Matthias Wellauer ◽  
Abdollah Sadeghi Marzaleh ◽  
Masoud Motavalli
Keyword(s):  
Steel Substrate ◽  
Short Term ◽  
Bond Behavior ◽  
Cfrp Composites

scholarly journals Nonlinear Analytical Model of Two Weakly Coupled MEMS Cantilevers for Mass Sensing Using Electrostatic Actuation

Proceedings ◽  
2018 ◽  
Vol 2 (13) ◽  
pp. 1084
Author(s):  
Toky Rabenimanana ◽  
Vincent Walter ◽  
Najib Kacem ◽  
Patrice Le Moal ◽  
Joseph Lardiès
Keyword(s):  
Analytical Model ◽  
Beam Theory ◽  
Continuous System ◽  
Mode Localization ◽  
Dc Voltage ◽  
Weakly Coupled ◽  
Flexible Supports ◽  
Nonlinear Analytical Model ◽  
Mems Mass Sensor ◽  
Mems Cantilevers

This paper presents a nonlinear analytical model of MEMS mass sensor, which is composed of two cantilevers of 98 µm and 100 µm length, 20 µm width and 1.3 µm thick. They are connected by a coupling beam and only the shortest cantilever is actuated by a combined AC-DC voltage. The DC voltage is used to equilibrate the system and the phenomenon of mode localization is investigated when a mass perturbation is applied. The sensor is modeled as a continuous system with beam theory and non-ideal boundary conditions are considered by using flexible supports. With a low AC voltage of 10 mV, a DC voltage of 5.85 V can counterbalance the length difference. This DC voltage decreases at 5.60 V when we increase the AC voltage, due to the effect of electrostatic nonlinearities. For a relative added mass of 0.1%, the amplitude change in the two cantilevers is more important when the coupling is weaker.

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