A review on phase-field modeling of hydraulic fracturing

Y Heider - Engineering Fracture Mechanics, 2021 - Elsevier
Motivated by the successful implementation of the phase-field method (PFM) to simulate
complicated fracture patterns at moderate computational costs in solid materials, many …

Experimental study and numerical modeling of the thermo-hydro-mechanical processes in soil freezing with different frost penetration directions

AH Sweidan, K Niggemann, Y Heider, M Ziegler… - Acta Geotechnica, 2022 - Springer
This research work presents an experimental and numerical study of the coupled thermo-
hydro-mechanical (THM) processes that occur during soil freezing. With focusing on the …

Residual stresses in gas tungsten arc welding: a novel phase-field thermo-elastoplasticity modeling and parameter treatment framework

B Ali, Y Heider, B Markert - Computational Mechanics, 2022 - Springer
The fusion welding process of metallic components, such as using gas tungsten arc welding
(GTAW), is often accompanied by detrimental deformations and residual stresses, which …

Molecular investigation of mechanical properties and fracture behavior of graphene aerogel

SP Patil, P Shendye, B Markert - The Journal of Physical …, 2020 - ACS Publications
An unusual combination of ultralight weight and outstanding mechanical properties of
graphene aerogel made it popular for a wide range of applications in the fields of material …

Molecular scale insight of pore morphology relation with mechanical properties of amorphous silica using ReaxFF

T Vo, B He, M Blum, A Damone, P Newell - Computational Materials …, 2020 - Elsevier
Porous materials are typically heterogeneous and they contain large variations of micro-
/nano-pore structures, causing complicated behaviors. In continuum models, most …

A mode-adjustable phase-field model for brittle fracture by regulating distortional crack driving energy

L Hao, H Yu, S Zhu, Z Shen, R Shen, K Huang… - Engineering Fracture …, 2022 - Elsevier
A mode-adjustable phase-field model is proposed by introducing a weight parameter to
regulate the relative contribution of the volumetric and distortional crack driving energy …

[HTML][HTML] Self-organized criticality in fracture models at different scales

Y Heider, F Bamer, F Ebrahem, B Markert - Examples and …, 2022 - Elsevier
Although modeling of fractures in solid materials has been within the focus of researchers for
decades, a generally applicable and reliable numerical description is still an open topic. The …

Nanomechanical investigation of the interplay between pore morphology and crack orientation of amorphous silica

T Du, M Blum, C Chen, MG Muraleedharan… - Engineering Fracture …, 2021 - Elsevier
Porous amorphous silica (a-SiO 2) is of both fundamental and practical interests, as they
exhibit a large specific surface area and tunable porous network. However, the brittle nature …

Effect of domain size, boundary, and loading conditions on mechanical properties of amorphous silica: A reactive molecular dynamics study

T Vo, B Reeder, A Damone, P Newell - Nanomaterials, 2019 - mdpi.com
Mechanical properties are very important when choosing a material for a specific
application. They help to determine the range of usefulness of a material, establish the …

[PDF][PDF] Multi-field and multi-scale computational fracture mechanics and machine-learning material modeling

Y Heider - 2021 - researchgate.net
Die Bruchmechanik zählt zu den aufstrebenden und vielversprechendsten Gebieten der
Ingenieurmechanik. In den letzten Jahrzehnten wurden zahlreiche theoretische …