Raymond E. Goldstein is a prominent figure in the field of applied mathematics and theoretical biology, known for his work in fluid dynamics, particularly in relation to biological systems. His research often focuses on the mechanics of swimming organisms, the dynamics of complex fluids, and biological pattern formation. In academia, he has contributed to various important areas, including the study of bacterial motility and the physical principles underlying the behavior of microorganisms in fluids.
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A researcher in physical and mathematical modeling whose team studied the collapse of soap films in the form of a catenoid. Moving the supporting boundaries destabilizes the film; the resulting shape develops conical regions before pinching. Comparing experiments with geometric and fluid-dynamical models reveals which features are controlled by geometry rather than liquid viscosity.[ref]
Geometry of catenoidal soap film collapse induced by boundary deformation by Raymond E. Goldstein and others. Abstract and §II: boundary deformation, transient cones, viscosity comparison and physical models