In order to reveal the characteristics of water gas two-phase seepage in soil pores and explore an accurate and efficient research method, this paper selects undisturbed soil as the research object, and establishes the three-dimensional model of real undisturbed soil samples by using computer tomography and image processing technology. Taking the simulation of water-gas two-phase seepage field as an example, the role of computer application technology in soil seepage research is discussed in detail. The results show that the application of computed tomography and image processing technology can better realize the dynamic visual process simulation of water-gas two-phase displacement in soil pores at meso-scale. This research method enriches the existing three-dimensional reconstruction simulation methods of soil mass, and provides a new way for meso-pore structure and fluid seepage research.
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