3 papers
cs.CE2026
Coupled thermo-chemo-mechanical phase field-based modelling of hydrogen-assisted cracking in girth welds
L. Castro, Y. Navidtehrani. C. Betegón, E. MartÃnez-Pañeda
A new computational framework is presented to predict the structural integrity of welds in hydrogen transmission pipelines. The framework combines: (i) a thermo-mechanical weld pro…
cs.CE2025
A generalised framework for phase field-based modelling of coupled problems: application to thermo-mechanical fracture, hydraulic fracture, hydrogen embrittlement and corrosion
Y. Navidtehrani, C. Betegón, E. MartÃnez-Pañeda
We present a novel, generalised formulation to treat coupled structural integrity problems by combining phase field and multi-physics modelling. The approach exploits the versatili…
cs.CE2025
A phase field model for hydraulic fracture: Drucker-Prager driving force and a hybrid coupling strategy
Y. Navidtehrani, C. Betegón, J. Vallejos +1
Recent years have seen a significant interest in using phase field approaches to model hydraulic fracture, so as to optimise a process that is key to industries such as petroleum e…