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What does EALST stand for?

EALST stands for Enhanced Approximation Linear Solution Technique

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The set of enhanced discretization and solution techniques includes those based on enhancement in spatial discretization, enhancement in time discretization, and enhancement in iterative solution of nonlinear and linear equation systems. The enhanced-approximation linear solution technique.
Enhanced-approximation linear solution technique (EALST)Tayfun E. Tezduyar*, Sunil SatheTeam for Advanced Flow Simulation and Modeling (TAFSM), Mechanical Engineering,Rice University-MS 321, 6100 Main Street, Houston, TX 77005, USAReceived 20 March 2003; received in revised form 10 September 2003; accepted 8 December 2003AbstractThe enhanced discretization and solution techniques are among the advanced computational methods we rely on insimulation and modeling of complex flow problems, including those with moving boundaries and interfaces.
The EDSTT-multi-mesh (EDSTT-MM) approach[39–41,31,42] is based on combining the DSD/SST formu-lation and the EDICT multi-mesh concept. In thisapproach, multiple space–time meshes, all structured intime, would be used to enhance the time-discretization inregions where we require smaller time steps. The EDSTT-MM approach would not require a fully unstructured 4Dmesh generation, and therefore would not pose a mesh gen-eration difficulty. The EDSTT and its two versions aredescribed in more detail in Section 6. As enhancements in iterative solution of non-linear andlinear equation systems, we proposed the enhanced-itera-tion non-linear solution technique (EINST) [39–41,31,43]and the enhanced-approximation linear solution technique.