Rayleigh–Taylor and Richtmyer–Meshkov instabilities: a journey through scales

Y Zhou, RJR Williams, P Ramaprabhu, M Groom… - Physica D: Nonlinear …, 2021 - Elsevier
Hydrodynamic instabilities such as Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM)
instabilities usually appear in conjunction with the Kelvin–Helmholtz (KH) instability and are …

Rayleigh–Taylor and Richtmyer–Meshkov instability induced flow, turbulence, and mixing. II

Y Zhou - Physics Reports, 2017 - Elsevier
Abstract Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM) instabilities are well-known
pathways towards turbulent mixing layers, in many cases characterized by significant mass …

Roadmap on multiscale materials modeling

E Van Der Giessen, PA Schultz, N Bertin… - … and Simulation in …, 2020 - iopscience.iop.org
Modeling and simulation is transforming modern materials science, becoming an important
tool for the discovery of new materials and material phenomena, for gaining insight into the …

Grain-size dependent mechanical behavior of nanocrystalline metals

EN Hahn, MA Meyers - Materials Science and Engineering: A, 2015 - Elsevier
Grain size has a profound effect on the mechanical response of metals. Molecular dynamics
continues to expand its range from a handful of atoms to grain sizes up to 50 nm, albeit …

A learning-based multiscale method and its application to inelastic impact problems

B Liu, N Kovachki, Z Li, K Azizzadenesheli… - Journal of the …, 2022 - Elsevier
The macroscopic properties of materials that we observe and exploit in engineering
application result from complex interactions between physics at multiple length and time …

In situ X-ray diffraction measurement of shock-wave-driven twinning and lattice dynamics

CE Wehrenberg, D McGonegle, C Bolme… - Nature, 2017 - nature.com
Pressure-driven shock waves in solid materials can cause extreme damage and
deformation. Understanding this deformation and the associated defects that are created in …

Unraveling the temperature dependence of the yield strength in single-crystal tungsten using atomistically-informed crystal plasticity calculations

D Cereceda, M Diehl, F Roters, D Raabe… - International Journal of …, 2016 - Elsevier
We use a physically-based crystal plasticity model to predict the yield strength of body-
centered cubic (bcc) tungsten single crystals subjected to uniaxial loading. Our model …

Stress and temperature dependence of screw dislocation mobility in -Fe by molecular dynamics

MR Gilbert, S Queyreau, J Marian - Physical Review B—Condensed Matter …, 2011 - APS
The low-temperature plastic yield of α-Fe single crystals is known to display a strong
temperature dependence and to be controlled by the thermally activated motion of screw …

Femtosecond visualization of hcp-iron strength and plasticity under shock compression

S Merkel, S Hok, C Bolme, D Rittman, KJ Ramos… - Physical review …, 2021 - APS
Iron is a key constituent of planets and an important technological material. Here, we
combine in situ ultrafast x-ray diffraction with laser-induced shock compression experiments …

High strain-rate plastic flow in Al and Fe

RF Smith, JH Eggert, RE Rudd, DC Swift… - Journal of applied …, 2011 - pubs.aip.org
Thin Fe and Al foils were ramp-compressed over several to tens of ns timescales to study the
time-dependence associated with the onset of plastic flow. Peak stress states of 15–200 …