CAE Software【Femtet】Murata Software Co., Ltd.
Example13 Resonance of Tuning Fork
General
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The resonance of a tuning fork is analyzed.
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The deformation, the displacement and the mechanical stress are solved.
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Unless specified in the list below, the default conditions will be applied.
Analysis Space
|
Item |
Settings |
|
Analysis Space |
3D |
|
Model unit |
m |
Analysis Conditions
The analysis type is the harmonic analysis.
|
Item |
Settings |
|
Solvers |
Mechanical Stress Analysis [Galileo] |
|
Analysis Type |
Resonant analysis |
|
Options |
N/A |
The resonant analysis tab is set up as follows.
|
Tab |
Setting Item |
Settings |
|
Resonant analysis |
Number of modes |
6 |
|
Approximated frequency |
0[Hz] |
Model
A tuning fork is created by combining cylindrical and rectangular solid bodies with boolean.
Body Attributes and Materials
|
Body Number/Type |
Body Attribute Name |
Material Name |
|
8/Solid |
RESONANT |
001_Al * |
* Available from the Material DB
Boundary Conditions
N/A
Results
The following will be output on the output window or the log file.
|
<<Eigenvalue analysis>> Eigenvalue (resonant frequency):[Hz] Mode[ 0] = 5.06139730e+002 Mode[ 1] = 7.76589632e+002 Mode[ 2] = 1.58726071e+003 Mode[ 3] = 1.92468740e+003 Mode[ 4] = 3.15995476e+003 Mode[ 5] = 4.14822255e+003 |
The resonant frequencies can be checked on Table.
The displacement diagram of Mode[0] is shown below. The contour diagram shows the displacement.
The displacement diagram of Mode[1] is shown below. The contour diagram below shows the displacement.
Mode[0] and Mode[1] exhibit completely different resonance.