Deletion of Displacement field (mechanics)

Comment: A quick -style search shows that the concept of a displacement is a fundamental one in the theory of elasticity (.e.g., Linear_elasticity#Displacement_formulation), and a displacement field is the continuum version used in Continuum_mechanics#Displacement_field. GBooks and and GScholar searches of ''"displacement field" elasticity'' show many sources
Stance: keep
Cited policy: Wikipedia:Articles for deletion (WP:BEFORE)