Conference Year

2012

Keywords

Code_Aster acoustic muffler radiation noise

Abstract

The aim of this article is to share our experience in compressor acoustic calculation using the free solver Code_Aster. We will review some typical compressor noise problem, how we modelize them and some results examples. Muffler transmission loss with different acoustic termination, acoustic field inside compressor cavity and rigid body motion of the shell, compressor shell acoustic radiation are some of the case study discussed in this article. Code_Aster is a free and powerful solver developed by EDF, the French electricity company. It is an attractive solution for all company that cannot afford the cost of a commercial acoustic code.

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