File:Damping Reflection Relationship-Fig 5- BOUSS-2D Technical Report.png: Difference between revisions
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This graph from BOUSS-2D's technical report illustrates the variation of effective reflectivity given various damping coefficients and damping layer widths. To use this graph: | |||
*Compute L (the wavelength for the incident wave). | |||
*Select a w/L ratio. Use this ratio to compute w (damping width). | |||
*Select an expected reflection percentage. Follow a horizontal line for this percentage on plot to intersect the graph for selected w/L ratio. Read associated damping coefficient from plot. | |||
*Note that the reflection coefficient is very sensitive to a change in damping coefficient when the coefficient is small (< 0.3) and much less sensitive when the coefficient is larger. | |||
*This process may require the damping parameters be changed when different wave conditions are considered. | |||
*It should be observed that this plot is for normally incident waves. Different reflection coefficients would be obtained for obliquely incident waves. |
Revision as of 16:20, 7 August 2014
This graph from BOUSS-2D's technical report illustrates the variation of effective reflectivity given various damping coefficients and damping layer widths. To use this graph:
- Compute L (the wavelength for the incident wave).
- Select a w/L ratio. Use this ratio to compute w (damping width).
- Select an expected reflection percentage. Follow a horizontal line for this percentage on plot to intersect the graph for selected w/L ratio. Read associated damping coefficient from plot.
- Note that the reflection coefficient is very sensitive to a change in damping coefficient when the coefficient is small (< 0.3) and much less sensitive when the coefficient is larger.
- This process may require the damping parameters be changed when different wave conditions are considered.
- It should be observed that this plot is for normally incident waves. Different reflection coefficients would be obtained for obliquely incident waves.
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current | ★ Approved revision 15:48, 26 September 2007 | 637 × 557 (29 KB) | Azundel (talk | contribs) |
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