A stochastic analysis approach for marine riser’s cross-flow/in-line VIV under heave-induced parametric vibration

Author(s):  
Zhiwen Wu ◽  
Hongyuan Dong ◽  
Huihuan Ma ◽  
Pengpeng Ni ◽  
Yangyang Xiao ◽  
...  
Author(s):  
Pezhman A. Hassanpour ◽  
Patricia M. Nieva ◽  
Amir Khajepour

In this paper, a sensing technique, based on the detection of Hopf bifurcation in the dynamic of a micro-bridge, is proposed. The governing equations of motion are derived, which take into account the fringe and large deflection effects. Moreover, a stochastic analysis approach is proposed for investigating the reliability of the sensor readings. It has been demonstrated that sensitivity of more than 2mV/μN is achievable with this sensing technique.


1977 ◽  
Vol 109 (9) ◽  
pp. 1167-1174 ◽  
Author(s):  
Guy L. Curry ◽  
Don W. DeMichele

AbstractIn this paper, a stochastic analysis approach for predator–prey systems modeling is developed. The states of the system are assumed to have a natural probabilistic variation. Elements of queueing theory are used to describe these variations and to obtain both the transient and steady-state results for the system. The predator is considered analogous to a service facility and the prey as customers to be served. The Holling disk equation and mantid–fly experiments are analyzed by this approach. The method provides a framework for a straightforward synthesis of the system components and is readily generalized for multiple predator systems. Furthermore, hunger and other behavioral aspects can be easily incorporated into the mathematical analysis.


1992 ◽  
Vol 26 (2) ◽  
pp. 103-195 ◽  
Author(s):  
Sergio Albeverio ◽  
Raphael H�egh-Krohn ◽  
Sylvie Paycha ◽  
Sergio Scarlatti

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