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Structural Engineering and Mechanics Volume 22, Number 4, March10 2006 , pages 433-447 DOI: https://doi.org/10.12989/sem.2006.22.4.433 |
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Large deflection behavior of a flexible circular cantilever arc device subjected to inward or outward polar force |
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Samir Z. Al-Sadder
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| Abstract | ||
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The problem of very large deflection of a circular cantilever arc device subjected to inward or outward polar force is studied. An exact elliptic integral solution is derived for the two cases and the results are checked using large displacement finite element analysis via the ANSYS package by performing a new novel modeling simulation technique for this problem. Excellent agreements have been obtained between the exact analytical solution and the numerical approach. From this study, a design chart for engineers is developed to predict the required value for the inward polar force for the device to switch on for a given angle forming the circular arc (o). This study has several interesting applications in mechanical engineering, integrated circuit technology. nanotechnology and especially in microelectromechanical systems (MEMs) such as a MEM circular device switch subjected to attractive or repulsive magnetic forces due to the attachments of two magnetic poles at the fixed and at the free end of the circular cantilever arc switch device. | ||
| Key Words | ||
| ANSYS; circular cantilever arc; elastica; elliptic integral; polar force. | ||
| Address | ||
| Department of Civil Engineering, Faculty of Engineering, Hashemite University, Zarqa 13115, Jordan | ||