Fifty shades of brain: a review on the mechanical testing and modeling of brain tissue

S Budday, TC Ovaert, GA Holzapfel… - … Methods in Engineering, 2020 - Springer
Brain tissue is not only one of the most important but also the most complex and compliant
tissue in the human body. While long underestimated, increasing evidence confirms that …

A phase-field modeling approach of hydraulic fracture in saturated porous media

Y Heider, B Markert - Mechanics Research Communications, 2017 - Elsevier
Continuum porous media theories, extended by a diffusive phase-field modeling (PFM)
approach, introduce a convenient and efficient tool to the simulation of hydraulic fracture in …

Tissue‐scale biomechanical testing of brain tissue for the calibration of nonlinear material models

J Faber, J Hinrichsen, A Greiner, N Reiter… - Current …, 2022 - Wiley Online Library
Brain tissue is one of the most complex and softest tissues in the human body. Due to its
ultrasoft and biphasic nature, it is difficult to control the deformation state during …

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 …

A global–local approach for hydraulic phase-field fracture in poroelastic media

F Aldakheel, N Noii, T Wick, P Wriggers - Computers & Mathematics with …, 2021 - Elsevier
In this work, phase-field modeling of hydraulic fractures in porous media is extended
towards a Global–Local approach. Therein, the failure behavior is solely analyzed in a …

A unified water/ice kinematics approach for phase-field thermo-hydro-mechanical modeling of frost action in porous media

AH Sweidan, Y Heider, B Markert - Computer Methods in Applied …, 2020 - Elsevier
This research work introduces a novel phase-field thermo-hydro-mechanical (P-THM)
modeling approach that allows to deeply understand and model the freezing–thawing cyclic …

Comparison of monolithic and splitting solution schemes for dynamic porous media problems

B Markert, Y Heider, W Ehlers - International journal for …, 2010 - Wiley Online Library
Proceeding from the governing equations describing a saturated poroelastic material with
intrinsically incompressible solid and fluid constituents, we compare the monolithic and …

Modeling the porous and viscous responses of human brain tissue behavior

E Comellas, S Budday, JP Pelteret… - Computer Methods in …, 2020 - Elsevier
The biomechanical characterization of human brain tissue and the development of
appropriate mechanical models is crucial to provide realistic computational predictions that …

A non-isothermal phase-field hydraulic fracture modeling in saturated porous media with convection-dominated heat transport

CL Nguyen, Y Heider, B Markert - Acta Geotechnica, 2023 - Springer
This research aims to extend the isothermal continuum mechanical modeling framework of
hydraulic fracturing in porous materials to account for the non-isothermal processes …

Modeling of hydraulic fracturing using a porous-media phase-field approach with reference to experimental data

Y Heider, S Reiche, P Siebert, B Markert - Engineering Fracture Mechanics, 2018 - Elsevier
The underlying study introduces a numerical modeling framework and a comparison with
experimental data of hydraulic fracture in dense low-permeable brittle rocks. This is based …