# Defining ALE adaptive mesh domains in Abaqus/Explicit

 Arbitrary Lagrangian-Eulerian (ALE) adaptive mesh domains: define the portions of a finite element model where mesh movement is independent of material deformation; can be used to analyze Lagrangian or Eulerian problems; can contain only first-order, reduced-integration, solid elements (4-node quadrilaterals, 3-node triangles, 8-node hexahedra, 6-node wedges, and 4-node tetrahedra); can be used in planar, axisymmetric, and three-dimensional geometries; have boundary regions where loads, boundary conditions, and surfaces can be defined; and are active only for geometrically nonlinear steps. The following topics are discussed:
 Related Topics About ALE adaptive meshing ALE adaptive meshing and remapping in Abaqus/Explicit In Other Guides *ADAPTIVE MESH Understanding ALE adaptive meshing

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