externalDisplacementMeshMover → dynamicMesh Relation

File in src/mesh/snappyHexMesh/externalDisplacementMeshMover	Includes file in src/dynamicMesh
displacementMeshMoverMotionSolver.H	motionSolver / displacement / displacementMotionSolver.H
medialAxisMeshMover.H	motionSmoother / motionSmootherAlgo.H