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Aeroacoustics of Low Mach Number Flows by William Devenport, Stewart Glegg

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Appendix A

Nomenclature

A.1 Symbol conventions, symbol modifiers, and Fourier transforms

Vectors are denoted using a bold character, such as x for position vector, or in terms of their Cartesian components, e.g., x1, x2, x3, or xi. Tensors are denoted in terms of their Cartesian components using double subscript notation, for example, pij for the compressive stress tensor.

In general, the mean value of a variable is denoted using subscript “o” (as in the mean pressure, po), or using the expected value operator denoted as E[ ] or using an overbar (as in the mean square pressure fluctuation, p2¯si20_e). The fluctuating part of a variable is indicated ...

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