Shock and Vibration / 2020 / Article / Tab 1

Research Article

3D Global Weak-Form Mesh-Free Method for Acoustic Attenuation Analysis of Expansion Chambers

Table 1

Weight coefficient and integration point coordinates for the Hammer integration.

Number of integration pointsWeight coefficientIntegration point coordinateOrder of precision

1A1, , , 1
4B2a = 0.585410202
b = 0.13819660
5A1 = −a = 1/2 b = 1/63
B4 = 

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