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This paper presents an interpolation method for coupling non-conforming Non-Uniform Rational B-Splines (NURBS) patches in isogeometric analysis of vibro-acoustic systems. This coupling method is based on a master–slave formulation, in which a smooth interpolating function is first constructed to represent the sound pressure field of the master side and then is sampled to determine the discrete sound...
Vibration in a hard rock tunnel boring machine (TBM) during tunnel excavation has been thought to have significant influence on TBM performance, in particular its excavation efficiency. This paper presents a study on this issue. A dynamic model of TBM is established to derive its vibration response, considering not only both of cutterhead driving system and thrust system, but also the interaction...
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