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推广Biot-Tsiklauri声学模型的同时借鉴Dvorkin和Nur的工作,建立了具有任意孔径分布并顾及喷射流动机制的非牛顿流体饱和孔隙介质声学模型,研究了非牛顿流体(Maxwell流体)饱和孔隙介质中的弹性波的衰减和频散特性.着重讨论充孔隙Maxwell流体的非牛顿流效应对弹性波的频散和衰减的影响.研究表明,饱和流体的非牛顿流效应和喷射流动机制均是引起弹性波波频散和衰减的重要因素.依据非牛顿流体(Maxwell流体)饱和各向同性孔隙介质的Biot-喷射流声学模型,喷射流动只影响纵波的频散和衰减,而饱和流体的非牛顿流效应不仅影响纵波,而且还影响横波的频散和衰减.
The acoustic model of Biot-Tsiklauri is generalized. At the same time, the work of Dvorkin and Nur is used to establish the acoustic model of non-Newtonian fluid saturated porous media with arbitrary pore size distribution and taking into account the jet flow mechanism. The effects of non-Newtonian fluid (Maxwell fluid) The attenuation and dispersion characteristics of the elastic wave are discussed.The effect of non-Newtonian flow on the elastic wave is discussed.The results show that the non-Newtonian flow and the jet flow mechanism of the saturated fluid are both elastic waves Wave dispersion and attenuation.According to the Biot-Jet acoustic model of non-Newtonian fluid (Maxwell fluid) saturated isotropic porous media, the jet flow affects only the dispersion and attenuation of the longitudinal wave, while the non-Newtonian flow effect of the saturated fluid Not only affect the longitudinal wave, but also affect the shear wave dispersion and attenuation.