Phase‐field simulations coupled with dislocation‐density‐based crystal plasticity modeling reproduce γ′ rafting behavior in single‐crystal Ni‐based superalloys under varied loading conditions. The model captures both macroscopic creep and microscopic morphology evolution, with results matching high‐temperature creep experiments.
Micheal Younan +5 more
wiley +1 more source
Direct numerical simulation of particle-laden turbulent channel flow over superhydrophobic surfaces
We investigate the effects of superhydrophobic surfaces (SHS) consisting of streamwise-aligned grooves on turbulence dynamics and drag reduction in a fully developed turbulent particle-laden channel flow.
Gao, Wei, Parsani, Matteo, Wang, Minmiao
core +1 more source
Direct Numerical Simulation and Theory of a Wall-Bounded Flow with Zero Skin Friction. [PDF]
Coleman GN +3 more
europepmc +1 more source
Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley +1 more source
Direct numerical simulation of turbulent boundary layer with fully resolved particles at low volume fraction. [PDF]
Luo K, Hu C, Wu F, Fan J.
europepmc +1 more source
Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley +1 more source
Development of Brown-Roshko structures in the mixing layer behind a splitter plate
A direct numerical simulation has been performed of the near field of a mixing layer formed between a high-speed turbulent stream and a low-speed laminar stream. For improved realism, the simulation includes the splitter plate in the computational domain.
Sandberg, Richard D., Sandham, Neil D.
core
Direct numerical simulation of contaminant removal in presence of underfloor air distribution system. [PDF]
Xia Y, Lyu S.
europepmc +1 more source
Direct Numerical Simulation of Head-On Quenching of Statistically Planar Turbulent Premixed Methane-Air Flames Using a Detailed Chemical Mechanism. [PDF]
Lai J, Klein M, Chakraborty N.
europepmc +1 more source
Karl Popper and the Mechanisms of Hydrogen Embrittlement
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley +1 more source

