|
|
The differential opening of secondary flow valves |
|
|
X coordinates of pressure tap |
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|
Coanda wall chord length |
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|
Y coordinates of pressure tap |
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|
Twice the length of the nozzle trailing edge |
|
|
Pressure measured by the pressure sensor |
|
|
Surface static pressure |
|
|
Atmospheric pressure |
|
|
Pressure coefficients |
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|
Number of snapshots |
|
|
Number of wall locations for pressure measurement |
|
|
Wall pressure value measured at the j-th sensor location in the i-th snapshot |
|
|
Mean pressure vector |
|
|
Centered snapshot matrix |
|
|
Orthonormal matrix obtained from singular value decomposition |
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|
|
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|
Diagonal matrix containing singular values |
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|
|
|
|
Matrix of spatial POD modes |
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|
Individual POD modes |
|
|
Matrix of temporal coefficients corresponding to full POD modes |
|
|
Number of retained dominant POD modes |
|
|
Reduced modal basis composed of the first m dominant POD modes |
|
|
Matrix of temporal coefficients corresponding to the reduced modal basis |
|
|
Instantaneous wall pressure vector |
|
|
Vector of modal coefficients for the i-th snapshot |
|
|
Number of finite sensor locations |
|
|
Sampling matrix |
|
|
Sparse measurement vector corresponding to the i-th snapshot |
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|
|
|
|
|
|
|
Modal coefficients in the compressed sensing framework |
|
|
Reconstructed full-field wall pressure vector |
|
|
Sensor layout |
|
|
Normalized error index, represents local max error |
|
|
Normalized error index, represents global mean error |
|
|
) |
|
|
) |
|
|
Global maximum absolute pressure from the reference dataset |
|
|
Reconstructed pressure coefficients |
|
|
Reconstruction pressure coefficient error |