page_title: Squeeze flow
section_title: Rectangular plate
hierarchical_section_title: Squeeze flow / Basic Assumptions / Newtonian fluids / Rectangular plate
caption_attribution_description: English: This diagram provides a visual aid, with variables, for squeeze flow between two rectangular plates.
context_page_description: Squeeze flow is a type of flow in which a material is pressed out or deformed between two parallel plates or objects. First explored in 1874 by Josef Stefan, squeeze flow describes the outward movement of a droplet of material, its area of contact with the plate surfaces, and the effects of internal and external factors such as temperature, viscoelasticity, and heterogeneity of the material. Several squeeze flow models exist to describe Newtonian and non-Newtonian fluids undergoing squeeze flow under various geometries and conditions. Numerous applications across scientific and engineering disciplines including rheometry, welding engineering, and materials science provide examples of squeeze flow in practical use.
context_section_description: For rectangular plate squeeze flow:
  These calculations assume a melt layer that has a length much larger than the sample width and thickness.
caption: Rectangular plate squeeze flow diagram at initial and follow-on conditions; rectangular plates (gray), droplet (green).
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