Mechanical Modeling of MEMS Devices: Static Analysis

RF MEMS ◽  
2004 ◽  
pp. 21-57 ◽  
Author(s):  
Gabriel M. Rebeiz ◽  
N. Scott Barker ◽  
Jeremy B. Muldavin ◽  
Guan-Leng Tan
Keyword(s):  
Static Analysis ◽  
Mems Devices ◽  
Mechanical Modeling

Static Analysis of a Microscale Cricket Filiform Hair Socket

2014 ◽  
Author(s):  
A. Hossain ◽  
A. Mian
Keyword(s):  
Static Analysis ◽  
Sensory System ◽  
Mems Devices ◽  
Low Velocity ◽  
Element Analysis ◽  
Physical Conditions ◽  
Fea Model ◽  
Highly Sensitive ◽  
Filiform Hair ◽  
Spiking Activity

Filiform hairs of crickets are of great interest to engineers because of their highly sensitive response to low velocity air currents. In this study, the cercal sensory system of a common house cricket has been analyzed. The sensory system consists of two antennae like appendages called cerci that are situated at the rear of the cricket’s abdomen. Each cercus is covered with 500–750 flow sensitive hairs that are embedded in a complex viscoelastic socket that acts as a spring -dashpot system and guides the movement of the hair. When the hair deflects due to the drag force induced on its length by a moving air-current, the spiking activity of the neuron and the combined spiking activity of all hairs are extracted by the cercal sensory system. The hair has been experimentally studied by few researchers though its characteristics are not fully understood. The socket structure has not been analyzed experimentally or theoretically from a mechanical standpoint. Therefore, this study aims to understand the socket’s behavior and its interaction with the filiform hair by conducting static analysis. First, a 3D Finite Element Analysis (FEA) model, representing hair and hair-socket, has been developed. Then the static analysis is conducted utilizing the appropriate load and boundary conditions based on the physical conditions that an insect experiences. These numerical analyses aid to understand the deformation mechanism the hair and hair-socket system. The operating principles of the hair and hair-socket could be used for the design of highly responsive MEMS devices such as fluid flow sensors or micro-manipulators.

Mechanical Modeling of MEMS Devices: Dynamic Analysis

RF MEMS ◽  
2004 ◽  
pp. 59-86 ◽  
Author(s):  
Gabriel M. Rebeiz ◽  
Jeremy B. Muldavin ◽  
Bernhard Schoenlinner ◽  
Guan-Leng Tan
Keyword(s):  
Dynamic Analysis ◽  
Mems Devices ◽  
Mechanical Modeling

Deposition and Characterization of Al2O3 and BiFeO3 Thin Films on Titanium Substrates for Tough MEMS Devices

2017 ◽  
Vol 137 (1) ◽  
pp. 46-47
Author(s):  
Takeshi Kohno ◽  
Masato Mihara ◽  
Ataru Tanabe ◽  
Takashi Abe ◽  
Masanori Okuyama ◽  
...  
Keyword(s):  
Thin Films ◽  
Mems Devices ◽  
Titanium Substrates

Effects of openings on the seismic behavior and performance level of concrete shear walls

2019 ◽  
Author(s):  
Hossein Alimohammadi ◽  
Mostafa Dalvi Esfahani ◽  
Mohammadali Lotfollahi Yaghin
Keyword(s):  
Static Analysis ◽  
Cross Section ◽  
Seismic Behavior ◽  
Shear Walls ◽  
Shear Wall ◽  
Constant Cross Section ◽  
Added Resistance ◽  
Different Shapes ◽  
And Performance ◽  
Abaqus Software

In this study, the seismic behavior of the concrete shear wall considering the opening with different shapes and constant cross-section has been studied, and for this purpose, several shear walls are placed under the increasingly non-linear static analysis (Pushover). These case studies modeled in 3D Abaqus Software, and the results of the ductility coefficient, hardness, energy absorption, added resistance, the final shape, and the final resistance are compared to shear walls without opening.

Static Analysis Based Correctness Verification for Mandatory Access Control Framework

2009 ◽  
Vol 32 (4) ◽  
pp. 730-739 ◽  
Author(s):  
Xin-Song WU ◽  
Zhou-Yi ZHOU ◽  
Ye-Ping HE ◽  
Hong-Liang LIANG ◽  
Chun-Yang YUAN
Keyword(s):  
Access Control ◽  
Static Analysis ◽  
Mandatory Access Control ◽  
Control Framework
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