A new parabolic equation (PE) incorporating a simple terrain following transformation is derived which allows a range dependent solution for the fieldfrom a point or line radiator. Predictions with the generalised terrain-PE are in close agreement with those from an eflective barrier model for a sim
โฆ LIBER โฆ
A tutorial on the parabolic equation (PE) model used for long range sound propagation in the atmosphere
โ Scribed by M. West; K. Gilbert; R.A. Sack
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 817 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0003-682X
No coin nor oath required. For personal study only.
โฆ Synopsis
The theory of the parabolic equation (PE) method and the manner in which a .finite difference numerical solution scheme can be constructed are presented. The treatment deals with both narrow and wide angle cases. The implementation of a second-order accurate ground boundary condition and an upper boundary condition, designed to minimise reflections into the computational region, are also described.
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