Study on the blasting damage of prestressed rock-like specimens with different coupling mediums

J Yang, Z Liu, K Liu, X Li, S Ma, Z Yan - International Journal of Impact …, 2023 - Elsevier
The performance of rock blasting is significantly influenced by the coupling medium between
the explosive and borehole wall. In this study, two shear-thickening fluids (corn starch …

A massive MPI parallel framework of smoothed particle hydrodynamics with optimized memory management for extreme mechanics problems

J Liu, X Yang, Z Zhang, M Liu - Computer Physics Communications, 2024 - Elsevier
The dynamic failure process of structures under extreme loadings is very common in many
fields of engineering and science. The smoothed particle hydrodynamics (SPH) method …

Damage evolution law and failure mechanism of rock impacted by high-pressure water jet under in-situ stress condition

F Liu, Y Wang, G Song - Science Progress, 2023 - journals.sagepub.com
To investigate the real physical mechanism of rock fragmentation subjected to water jet
under in-situ stress condition, a numerical model based on the SPH algorithm was …

Numerical simulations of Phan-Thien-Tanner viscoelastic fluid flows based on the SPH method

X Xu, J Cheng, S Peng, P Yu - Engineering Analysis with Boundary …, 2024 - Elsevier
Numerical simulations of viscoelastic fluid flows are always a hot issue in the field of
computational fluid dynamics and the study of their complex rheological properties has …

A phase-field model for blasting-induced failure and breakage analysis in rock masses

S Liu, M Kou, Z Wang, Y Zhang, F Liu - International Journal of Rock …, 2024 - Elsevier
In this work, we propose a new phase-field formulation with dynamic JH2 constitutive model
in the updated Lagrangian finite element framework for capturing the blasting-induced …

Embedment of WENO-Z reconstruction in Lagrangian WLS scheme implemented on GPU for strongly-compressible multi-phase flows

T Jiang, YH Liu, ZF Meng, PN Sun, XY Wei… - Computer Methods in …, 2024 - Elsevier
It is a notoriously challenge problem for Lagrangian particle methods to solve compressible
flows with strong discontinuities and large volume variations. To overcome the problems of …

A total Lagrange meshless method for modeling the concrete damage evolutions under blast loading

S Yu, Y Gao - Computational Particle Mechanics, 2024 - Springer
Quantitative evaluations of blasting damage evolutions of concrete structures are the
premise of improving the design codes of concrete blasting engineering. However …

Effects of fissure properties on the tunnel damage evolutions: Insights from DIC-based 3D printing experiments and meshless numerical simulations

S Yu, J Wang, Y Gao, W Sun, J Lu, R Liu… - … and Underground Space …, 2024 - Elsevier
Unknown pre-existing fissures have great impacts on the failure modes and mechanical
properties of tunnels. However, there are few discussions about the influence of different …

A GPU-accelerated 3D ISPH-TLSPH framework for patient-specific simulations of cardiovascular fluid–structure interactions

Y Lu, P Wu, M Liu, C Zhu - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Patient-specific simulation of the fluid–structure interaction (FSI) problems in cardiovascular
systems plays an increasingly important role in fundamental research and clinical …

Effects of fissure locations on the crack propagation morphologies of 3D printing tunnel models: Experiments and numerical simulations

X Hu, S Yu, P Ying, J Dong - Theoretical and Applied Fracture Mechanics, 2024 - Elsevier
Hidden fissures widely exist in the surrounding rock of tunnels, and the propagations and
interactions of the fissures will directly affect the safety and stability of tunnels. However …