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Acoustic Analysis

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The values mentioned in Notes are based on Femtet 32-bit edition with the following system.
CPU: Intel Core i7-3770 3.40GHz　Memory: 4.00GB
The values in Notes may vary depending on the version of Femtet and system.

Acoustic Analysis

1

Radiation Impedance of Disc

Setup Condition and Analysis Type

Harmonic analysis
Open boundary
Speed boundary

Notes

  • The Number of Meshes 14582
  • Analysis Time 12sec
  • Maximum Memory Usage 275MB

2

Directivity of Disc

Setup Condition and Analysis Type

Harmonic analysis
Open boundary
Speed boundary

Notes

  • The Number of Meshes 14847
  • Analysis Time 5sec
  • Maximum Memory Usage 263MB

3

Interference of Sound Waves(2D)

Setup Condition and Analysis Type

Harmonic analysis
Open boundary
Pressure boundary

Notes

  • The Number of Meshes 8262
  • Analysis Time 2sec
  • Maximum Memory Usage 76MB

4

Hemispherical Speaker

Setup Condition and Analysis Type

Harmonic analysis
Open boundary
Speed boundary

Notes

  • The Number of Meshes 10660
  • Analysis Time 2sec
  • Maximum Memory Usage 200MB

5

Resonance in Cavity

Setup Condition and Analysis Type

Harmonic analysis
Open boundary
Speed boundary

Notes

  • The Number of Meshes 1312
  • Analysis Time 2sec
  • Maximum Memory Usage 94MB

6

Reflection and Diffraction

Setup Condition and Analysis Type

Harmonic analysis
Open boundary
Speed boundary

Notes

  • The Number of Meshes 14158
  • Analysis Time 1sec
  • Maximum Memory Usage 71MB

7

Acoustic Impedance

Setup Condition and Analysis Type

Harmonic analysis
Speed boundary
Acoustic impedance boundary

Notes

  • The Number of Meshes 532
  • Analysis Time 1sec
  • Maximum Memory Usage 71MB

8

View by the Directivity Calculation Method

Setup Condition and Analysis Type

Harmonic analysis
Directivity Calculation

Notes

  • The Number of Meshes
  • Analysis Time
  • Maximum Memory Usage

9

Better Accuracy of the Open Boundary

Setup Condition and Analysis Type

Harmonic analysis
2nd-order open boundary
Directivity calculation

Notes

  • The Number of Meshes
  • Analysis Time
  • Maximum Memory Usage

10

Size of Analysis Domain and Its Results

Setup Condition and Analysis Type

Harmonic analysis
2d-order open boundary
Directivity calculation

Notes

  • The Number of Meshes
  • Analysis Time
  • Maximum Memory Usage

11

Interference of Sound Waves(2D Transient Analysis)

Setup Condition and Analysis Type

Transient analysis
Speed boundary

Notes

  • The Number of Meshes
  • Analysis Time
  • Maximum Memory Usage

Piezoelectric Analysis・Acoustic Analysis

1

Harmonic analysis

Setup Condition and Analysis Type

Harmonic analysis



Open boundary
Displacement fixed
Voltage Specified
Analysis domain

Notes

  • The Number of Meshes 29996
  • Analysis Time 8sec
  • Maximum Memory Usage 491MB

2

Fully Coupled Analysis

Setup Condition and Analysis Type

Fully coupled analysis

Notes

  • The Number of Meshes 29422
  • Analysis Time 2min 38sec
  • Maximum Memory Usage 1179MB

3

Fully Coupled Analysis (Sound Wave Drive)

Setup Condition and Analysis Type

Fully coupled analysis

Notes

  • The Number of Meshes
  • Analysis Time
  • Maximum Memory Usage

4

Transient Analysis

Setup Condition and Analysis Type

Transient Analysis
Electric Potential Specified

Notes

  • The Number of Meshes
  • Analysis Time
  • Maximum Memory Usage

Stress Analysis・Acoustic Analysis

1

Acoustic Analysis of Tuning Fork

Setup Condition and Analysis Type

Harmonic Analysis

Notes

  • The Number of Meshes
  • Analysis Time
  • Maximum Memory Usage
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