Abstract
Abstract The time integration of fluid-structure and soil-structure problem is often quite uneconomical when performed with a single integration method and a single time step. Three techniques for enhancing computational efficiency are presented: explicit-implicit partitions, explicit-explicit partitions with different time steps, and implicit-implicit partitions. The latter two require interpolation and extrapolation on the interface. A model problem is presented for examining the stability of these procedures and stabilization techniques are examined.
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