Eric S. G. Shaqfeh

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About

Eric S. G. Shaqfeh is a leading figure in fluid mechanics, whose work bridges theoretical, computational, and experimental approaches to understand complex flows. His key research areas include the dynamics of viscoelastic fluids, low-Reynolds-number locomotion, and the mechanics of soft matter. Shaqfeh is perhaps best known for his groundbreaking contributions to understanding how fluid elasticity can be harnessed for propulsion, directly challenging the constraints of the "scallop theorem." His most cited work, "A freely suspended robotic swimmer propelled by viscoelastic normal stresses" (2022, 21 citations), demonstrates a revolutionary concept: a swimmer that is immobile in a Newtonian fluid can self-propel in a viscoelastic one using a simple swirling motion. This was experimentally validated with a robotic device, a landmark achievement. His related paper, "A Swimming Rheometer" (2021), further explores this phenomenon, proposing the swimmer itself as a novel tool for measuring fluid properties. With a career spanning decades, Shaqfeh’s work has had a profound impact on fields from microfluidics to biological propulsion, fundamentally reshaping our understanding of how non-Newtonian fluids can enable new modes of locomotion.