wichita.edu
…in which a certain boundary is unknown and must be determined as part of the solution are known as free boundary problems. They arise in the study of physical phenomena such as waves, wakes, jets, bubbles, fluid flows in porous media, phase transition (melting and freezing) and capillary surfaces. Research work in free boundary problems at WSU varies from…
https://www.wichita.edu/academics/fairmount_las/mathematics/mathstat/research/analysis.php