抄録
Mud erosion in methane hydrate bearing layers may be a problem for the production of methane gas. To comprehend the mud erosion in sand-mud alternate layers, a simulation code has been developed for mud erosion caused by water flow through pore space, based on lattice Boltzmann method. Sand-mud layers are numerically generated in a three-dimensional domain, in which shear stress is calculated by the momentum-exchange method. Distributions of shear stress on mud surfaces are simulated under different sand-mud patterns to estimate parameters relating to mud erosion.
