E
Eric Johnsen
Researcher at University of Michigan
Publications - 128
Citations - 3943
Eric Johnsen is an academic researcher from University of Michigan. The author has contributed to research in topics: Bubble & Cavitation. The author has an hindex of 28, co-authored 119 publications receiving 3052 citations. Previous affiliations of Eric Johnsen include Center for Turbulence Research & California Institute of Technology.
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Assessment of high-resolution methods for numerical simulations of compressible turbulence with shock waves
Eric Johnsen,Johan Larsson,Ankit Bhagatwala,William H. Cabot,Parviz Moin,Britton J. Olson,Pradeep S. Rawat,Santhosh K. Shankar,Björn Sjögreen,Helen C. Yee,Xiaolin Zhong,Sanjiva K. Lele +11 more
TL;DR: The results indicate that the WENO methods provide sharp shock profiles, but overwhelm the physical dissipation, and the hybrid method is minimally dissipative and leads to sharp shocks and well-resolved broadband turbulence, but relies on an appropriate shock sensor.
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Implementation of WENO schemes in compressible multicomponent flow problems
Eric Johnsen,Tim Colonius +1 more
TL;DR: This paper shows that a finite volume formulation where the appropriately averaged primitive variables are reconstructed leads to the oscillation-free advection of an isolated interface and numerical experiments show no spurious oscillations for problems where shockwaves and interfaces interact.
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Numerical simulations of non-spherical bubble collapse
Eric Johnsen,Tim Colonius +1 more
TL;DR: The dynamics of the shock-induced and Rayleigh collapse of a bubble near a planar rigid surface and in a free field are analysed to better understand the damage caused by collapsing bubbles.
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Atmospheric pressure plasma jets interacting with liquid covered tissue: touching and not-touching the liquid
TL;DR: In this article, a single discharge pulse at three different voltages was directed onto a 200 µm water layer covering tissue followed by a 10 µm afterglow, and the magnitude of the voltage and its pulse length determined if the ionization wave producing the plasma plume reached the surface of the liquid.