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Paper Information

Journal:   JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING)   WINTER 2016 , Volume 8 , Number 4 ; Page(s) 221 To 237.
 
Paper: 

SENSITIVITY ANALYSIS OF FREQUENCY RESPONSE OF ATOMIC FORCE MICROSCOPY IN LIQUID ENVIRONMENT ON CANTILEVER'S GEOMETRICAL PARAMETERS

 
 
Author(s):  DAMIRCHELI M.*
 
* DEPARTMENT OF MECHANICAL ENGINEERING, SHAHR-E-QODS BRANCH, ISLAMIC AZAD UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

In this paper, the non-linear dynamic response of rectangular atomic force microscopy in tapping mode is considered. The effect of cantilever’s geometrical parameters (e.g., cantilever length, width, thickness, tip length and the angle between the cantilever and the sample's surface in liquid environment has been studied by taking into account the interaction forces. Results indicate that the resonant frequency, amplitude and phase are very sensitive to changes of geometrical parameters. In order to improve and optimize the system's behavior, the sensitive analysis (SA) of geometrical parameters on the first resonant frequency and amplitude of cantilever's vertical displacement has been conducted using Sobol's method. Results show that the influence of each geometrical variable on frequency response of the system can play a crucial role in designing the optimum cantilever in liquid medium for soft and sensitive biological samples. Also, one way to speed up the imaging process is to use short cantilevers. For short beams, the Timoshenko model seems to be more accurate compared to other models such as the Euler-Bernoulli. By using the Timoshenko beam model, the effects of rotational inertia and shear deformation are taken into consideration. In this paper, this model has been used to obtain more accurate results.

 
Keyword(s): SENSITIVE ANALYSIS, GEOMETRICAL PARAMETERS, TIMOSHENKO BEAM, LIQUID ENVIRONMENT, SOBOL METHOD
 
 
References: 
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+ Click to Cite.
APA: Copy

DAMIRCHELI, M. (2016). SENSITIVITY ANALYSIS OF FREQUENCY RESPONSE OF ATOMIC FORCE MICROSCOPY IN LIQUID ENVIRONMENT ON CANTILEVER'S GEOMETRICAL PARAMETERS. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), 8(4 ), 221-237. https://www.sid.ir/en/journal/ViewPaper.aspx?id=568802



Vancouver: Copy

DAMIRCHELI M.. SENSITIVITY ANALYSIS OF FREQUENCY RESPONSE OF ATOMIC FORCE MICROSCOPY IN LIQUID ENVIRONMENT ON CANTILEVER'S GEOMETRICAL PARAMETERS. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING). 2016 [cited 2021May18];8(4 ):221-237. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=568802



IEEE: Copy

DAMIRCHELI, M., 2016. SENSITIVITY ANALYSIS OF FREQUENCY RESPONSE OF ATOMIC FORCE MICROSCOPY IN LIQUID ENVIRONMENT ON CANTILEVER'S GEOMETRICAL PARAMETERS. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), [online] 8(4 ), pp.221-237. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=568802.



 
 
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