ABSTRACT
The formation mechanism of water film in saturated sand is analyzed numerically. This chapter presents a pseudo-three-phase model describing the moving of liquefied sand and numerically simulates and provides a simplified method to analyze the evolution of the water film. A simplified method is presented for analyze the evolution of cracks fast and practically. V. A. Florin and P. L. Ivanov pointed out that when the settling particles reach solid material, such as the unliquefied underlying sand, or the container base in a experiment, they accumulate to form a solidified zone which increases in thickness with time. Numerical simulations show that there are stable water films only in the conditions that: the porosity of the upper part of the sand column must be smaller than that of the lower. The keeping of the jamming state.
