Additive Manufacturing of Silencers with Microperforates

Table 3

Selected model data. Typical element size in the models is 1-2 mm.

Model	Number of nodes	Number of elements	Number of eigenmodes below 16 kHz
Short, Local reaction	7577	31892	174
Short, Explicit cavities	45977	211728	299
Long, Local reaction	27141	123529	261
Long, Explicit cavities	102110	457621	624