A5014999920- Numerical methods in engineering
- Geotechnical Engineering and Underground Structures
- Rock Mechanics and Modeling
- Fluid Dynamics Simulations and Interactions
- Landslides and related hazards
- Dam Engineering and Safety
- High-Velocity Impact and Material Behavior
- Geotechnical Engineering and Analysis
- Geophysical Methods and Applications
- Fatigue and fracture mechanics
- Hydraulic Fracturing and Reservoir Analysis
- Technology and Security Systems
- Vibration and Dynamic Analysis
- Analytical Chemistry and Sensors
- Organic Electronics and Photovoltaics
- CO2 Sequestration and Geologic Interactions
- Conducting polymers and applications
- Tunneling and Rock Mechanics
- Ultrasonics and Acoustic Wave Propagation
- Grouting, Rheology, and Soil Mechanics
- Advanced Numerical Methods in Computational Mathematics
- Architectural and Urban Studies
- Electromagnetic Simulation and Numerical Methods
- Model Reduction and Neural Networks
BOKU University
2022-2024
King Abdullah University of Science and Technology
2020-2023
Wuhan University
2018-2023
Chongqing University
2015-2020
A thermodynamically consistent phase field model with new crack driving forces is proposed to simulate the mixed-mode fracture phenomena in rock-like materials. The governing equations are derived using volumetric and deviatoric strain split. Based on Benzeggagh–Kenane failure criterion, our captures salient features of different modes, e.g., pure tensile dominated fracture, shear mixed tensile-shear compressive-shear phenomena. fully monolithic algorithm enables obtain stable numerical...
With the wide application of organic semiconductors (OSCs), researchers are now grappling with a new challenge: design and synthesize OSCs materials specific functions to satisfy requirements high-performance semiconductor devices. Strain engineering is an effective method improve material's carrier mobility, which fundamentally originated from rearrangement atomic packing model under mechanic stress. Here, we OSC material named AZO-BTBT-8 based on high-mobility...
We present a new phase-field formulation for the formation and propagation of compaction band in high-porosity rocks. Novel features proposed include (a) effects inertia on rate development bands, (b) degradation mechanisms tension, compression, shear appropriate dynamic strain localization problems where disturbances propagate time wave-like fashion to induce micro-cracking, grain crushing, frictional rearrangement rock. also robust numerical technique handle spatiotemporal evolution band....
This paper deals with the numerical simulation of initiation and propagation mixed mode fracture in rocks. A bond-level energy-based peridynamic model is developed by introducing a dilatation function to capture both volumetric deviatoric deformations. We proceed define nonlocal stresses obtain isotropic forces commensurate then come up new failure link computational peridynamics some phenomenological criteria, which highly relevant for brittle quasi-brittle Finally, several examples...
We formulate a modified phase-field model for cohesive interface failure in quasi-brittle solids. Our has two novel features: (i) traction–separation-damage law damage process; (ii) an energetic degradation function controlled by critical gap ratio. This modification offers attractive approach to simulate the process. also provide robust numerical solution strategy treat spatio-temporal evolution of failure. is validated benchmark problems including constant strain patch test and mode-I...
Peridynamic (PD) theory is an integral-type nonlocal continuum mechanics that reformulates the equation of motion in local as integrodifferential equation. PD has been used to simulate mechanical responses various materials with discontinuous structures. During past two decades, developed different problems and illustrate phenomena diverse fields engineering sciences. In this paper, a state-of-the-art review on investigation failure processes geomaterials framework performed successful...