Research Output 1999 2019

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2019

Anisotropic finite strain viscoelasticity: Constitutive modeling and finite element implementation

Liu, H., Holzapfel, G. A., Skallerud, B. H. & Prot, V., 1 Mar 2019, In : Journal of the mechanics and physics of solids. 124, p. 172-188 17 p.

Research output: Contribution to journalArticleResearchpeer-review

viscoelasticity
Viscoelasticity
plane stress
Strain energy
Constitutive models
2018

A discrete fibre dispersion method for excluding fibres under compression in the modelling of fibrous tissues

Li, K., Ogden, R. W. & Holzapfel, G. A., Jan 2018, In : Journal of the Royal Society - Interface. 15, 138, 20170766.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Compaction
Tissue
Fibers
Costs and Cost Analysis
Strain energy

An exponential constitutive model excluding fibres under compression: Application to extension–inflation of a residually stressed carotid artery

Li, K., Ogden, R. W. & Holzapfel, G. A., 1 Aug 2018, In : Mathematics and mechanics of solids. 23, 8, p. 1206-1224 19 p.

Research output: Contribution to journalArticleResearchpeer-review

Exponential Model
Arteries
Constitutive Model
Constitutive models
Compaction

Biomechanical relevance of the microstructure in artery walls with a focus on passive and active components

Holzapfel, G. A. & Ogden, R. W., 1 Sep 2018, In : American Journal of Physiology / Heart and Circulatory Physiology. 315, 3, p. H540-H549

Research output: Contribution to journalArticleResearchpeer-review

Arteries
Aortic Diseases
Elastin
Abdominal Aortic Aneurysm
Vascular Smooth Muscle

Compressibility and Anisotropy of the Ventricular Myocardium: Experimental Analysis and Microstructural Modeling

McEvoy, E., Holzapfel, G. A. & McGarry, P., 1 Aug 2018, In : Journal of biomechanical engineering. 140, 8, 081004 .

Research output: Contribution to journalArticleResearchpeer-review

Anisotropy
Compressibility
Myocardium
Tissue
Swine

Computational modeling of progressive damage and rupture in fibrous biological tissues: Application to aortic dissection

Gültekin, O., Hager, S. P., Dal, H. & Holzapfel, G., 2018, (Submitted) In : Biomechanics and Modeling in Mechanobiology. 40 p.

Research output: Contribution to journalArticleResearchpeer-review

Dissection
Biological Tissue
Phase Field
Computational Modeling
Rupture

Mechanical response of human subclavian and iliac arteries to extension, inflation and torsion

Sommer, G., Benedikt, C., Niestrawska, J. A., Hohenberger, G., Viertler, C., Regitnig, P., Cohnert, T. U. & Holzapfel, G. A., 15 Jul 2018, In : Acta biomaterialia. 75, p. 235-252 18 p.

Research output: Contribution to journalArticleResearchpeer-review

Subclavian Artery
Iliac Artery
Economic Inflation
Torsional stress
Collagen

Modeling of fibrous biological tissues with a general invariant that excludes compressed fibers

Li, K., Ogden, R. W. & Holzapfel, G., 2018, In : Journal of the mechanics and physics of solids. 110, p. 38-53

Research output: Contribution to journalArticleResearchpeer-review

Multiscale FEM simulations of cross-linked actin network embedded in cytosol with the focus on the filament orientation

Klinge, S., Aygün, S., Gilbert, R. P. & Holzapfel, G. A., 1 Jul 2018, In : International Journal for Numerical Methods in Biomedical Engineering. 34, 7, e2993.

Research output: Contribution to journalArticleResearchpeer-review

FEM Simulation
Multiscale Simulation
Actin
Filament
Cytosol

Numerical analyses of the interrelation between extracellular smooth muscle orientation and intracellular filament overlap in the human abdominal aorta

Haspinger, D. C., Murtada, S. I., Niestrawska, J. A. & Holzapfel, G. A., 1 Dec 2018, In : ZAMM Zeitschrift fur Angewandte Mathematik und Mechanik. 98, 12, p. 2198-2221 24 p.

Research output: Contribution to journalArticleResearchpeer-review

Smooth muscle
Aorta
Filament
Muscle
Overlap
Crack propagation
cracks
Tissue
Cracks
Patient monitoring

On the quasi-incompressible finite element analysis of anisotropic hyperelastic materials

Gültekin, O., Dal, H. & Holzapfel, G., 2018, In : Computational mechanics. 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Hyperelastic Material
Anisotropic Material
Finite Element
Finite element method
Augmented Lagrangian Method

Perspectives on Sharing Models and Related Resources in Computational Biomechanics Research

Erdemir, A., Hunter, P. J., Holzapfel, G. A., Loew, L. M., Middleton, J., Jacobs, C. R., Nithiarasu, P., Löhner, R., Wei, G., Winkelstein, B. A., Barocas, V. H., Guilak, F., Ku, J. P., Hicks, J. L., Delp, S. L., Sacks, M., Weiss, J. A., Ateshian, G. A., Maas, S. A., McCulloch, A. D. & 1 othersPeng, G. C. Y., 1 Feb 2018, In : Journal of biomechanical engineering. 140, 2, 11 p., 024701.

Research output: Contribution to journalArticleResearchpeer-review

Biomechanics
Biomechanical Phenomena
Research
Software
Biological Phenomena

The influence of fiber dispersion on the mechanical response of aortic tissues in health and disease: a computational study

Niestrawska, J. A., Haspinger, D. C. & Holzapfel, G. A., Feb 2018, In : Computer Methods in Biomechanics and Biomedical Engineering. 21, 2, p. 99-112 14 p.

Research output: Contribution to journalArticleResearchpeer-review

Abdominal Aortic Aneurysm
Health
Tissue
Fibers
Economic Inflation
2017

A family of hyperelastic models for human brain tissue

Mihai, L. A., Budday, S., Holzapfel, G., Kuhl, E. & Goriely, A., 2017, In : Journal of the mechanics and physics of solids. 106, p. 60-79

Research output: Contribution to journalArticleResearchpeer-review

A mechanobiological model for damage-induced growth in arterial tissue with application to in-stent restenosis

Fereidoonnezhad, B., Naghdabadi, R., Sohrabpour, S. & Holzapfel, G., 2017, In : Journal of the mechanics and physics of solids. 101, p. 311-327

Research output: Contribution to journalArticleResearchpeer-review

Comparison of two model frameworks for fiber dispersion in the elasticity of soft biological tissues

Holzapfel, G. & Ogden, R. W., 2017, In : European journal of mechanics / A. 66, p. 193-200

Research output: Contribution to journalArticleResearchpeer-review

Mechanical characterization of human brain tissue

Budday, S., Sommer, G., Birkl, C., Langkammer, C., Haybaeck, J., Kohnert, J., Bauer, M., Paulsen, F., Steinmann, P., Kuhl, E. & Holzapfel, G., 15 Jan 2017, In : Acta biomaterialia. 48, p. 319-340 22 p.

Research output: Contribution to journalArticleResearchpeer-review

Brain
Tissue
Constitutive models
Histology
Diffusion tensor imaging

Multiscale and Multiaxial Mechanics of Vascular Smooth Muscle

Murtada, S-I., Humphrey, J. D. & Holzapfel, G., 8 Aug 2017, In : Biophysical Journal. 113, 3, p. 714-727 14 p.

Research output: Contribution to journalArticleResearchpeer-review

Mechanics
Vascular Smooth Muscle
Smooth Muscle
Theoretical Models
Extracellular Matrix

On fiber dispersion models: exclusion of compressed fibers and spurious model comparisons

Holzapfel, G. & Ogden, R. W., 2017, In : Journal of elasticity. 129, p. 49-68

Research output: Contribution to journalArticleResearchpeer-review

Rheological characterization of human brain tissue

Budday, S., Sommer, G., Holzapfel, G., Haybaeck, J., Steinmann, P. & Kuhl, E., 2017, In : Acta biomaterialia. 60, p. 315-329

Research output: Contribution to journalArticleResearchpeer-review

Aortic Valve
Geometry
Biomedical Engineering
Boidae
Parametric Analysis

Viscoelastic parameter identification of human brain tissue

Budday, S., Sommer, G., Holzapfel, G., Steinmann, P. & Kuhl, E., 2017, In : Journal of the mechanical behavior of biomedical materials. p. 463-476

Research output: Contribution to journalArticleResearchpeer-review

2016

A microstructurally based continuum model of cartilage viscoelasticity and permeability incorporating measured statistical fiber orientations

Pierce, D. M., Unterberger, M. J., Trobin, W., Ricken, T. & Holzapfel, G., Feb 2016, In : Biomechanics and Modeling in Mechanobiology. 15, 1, p. 229-44 16 p.

Research output: Contribution to journalArticleResearchpeer-review

Fiber Orientation
Cartilage
Viscoelasticity
Continuum Model
Fiber reinforced materials

An orthotropic viscoelastic model for the passive myocardium: continuum basis and numerical treatment

Gültekin, O., Sommer, G. & Holzapfel, G., Nov 2016, In : Computer Methods in Biomechanics and Biomedical Engineering. 19, 15, p. 1647-64 18 p.

Research output: Contribution to journalArticleResearchpeer-review

Myocardium
Tissue
Elasticity
Tensors
Fibers

A phase-field approach to model fracture of arterial walls: theory and finite element analysis

Gültekin, O., Dal, H. & Holzapfel, G., 2016, In : Computer Methods in Applied Mechanics and Engineering. 312, p. 542-566 25 p.

Research output: Contribution to journalArticleResearchpeer-review

Computational method for excluding fibers under compression in modeling soft fibrous solids

Li, K., Ogden, R. W. & Holzapfel, G., 2016, In : European journal of mechanics / A. 57, p. 178-193

Research output: Contribution to journalArticleResearchpeer-review

Image-Driven Constitutive Modelling of Myocardial Fibrosis

Wang, V. Y., Niestrawska, J. A., Wilson, A. J., Sands, G. B., Young, A. A., LeGrice, I. J. & Nash, M. P., 17 May 2016, In : International Journal for Computational Methods in Engineering Science and Mechanics. 17, 1

Research output: Contribution to journalArticleResearchpeer-review

Length adaptation of smooth muscle contractile filaments in response to sustained activation

Stålhand, J. & Holzapfel, G., 21 May 2016, In : Journal of theoretical biology. 397, p. 13-21 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Smooth muscle
Filament
Vascular Smooth Muscle
smooth muscle
Smooth Muscle

Mechanical assessment of arterial dissection in health and disease: Advancements and challenges

Tong, J., Cheng, Y. & Holzapfel, G., 16 Aug 2016, In : Journal of biomechanics. 49, 12, p. 2366-73 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Dissection
Health
Biomechanics
Biomechanical Phenomena
Repair

Mechanical strength of aneurysmatic and dissected human thoracic aortas at different shear loading modes

Sommer, G., Sherifova, S. M., Oberwalder, P. J., Dapunt, O. E., Ursomanno, P. A., DeAnda, A., Griffith, B. E. & Holzapfel, G., 16 Aug 2016, In : Journal of biomechanics. 49, 12, p. 2374-82 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Thoracic Aorta
Strength of materials
Rupture
Tissue
Dissection

Microstructure and mechanics of healthy and aneurysmatic abdominal aortas: experimental analysis and modelling

Niestrawska, J. A., Viertler, C., Regitnig, P., Cohnert, T. U., Sommer, G. & Holzapfel, G., Nov 2016, In : Journal of the Royal Society - Interface. 13, 124, 20160620.

Research output: Contribution to journalArticleResearchpeer-review

Abdominal Aorta
Abdominal Aortic Aneurysm
Mechanics
Collagen
Tissue

On the thermodynamics of smooth muscle contraction

Stålhand, J., McMeeking, R. & Holzapfel, G., 2016, In : Journal of the mechanics and physics of solids. 94, p. 490-503

Research output: Contribution to journalArticleResearchpeer-review

Pleiotropic roles of the matricellular protein Sparc in tendon maturation and ageing

Gehwolf, R., Wagner, A., Lehner, C., Bradshaw, A. D., Scharler, C., Niestrawska, J. A., Holzapfel, G., Bauer, H-C., Tempfer, H. & Traweger, A., 2 Sep 2016, In : Scientific reports. 6, p. 32635

Research output: Contribution to journalArticleResearchpeer-review

Tendons
Cysteine
Proteins
Collagen
Lipids

Stress softening and permanent deformation in human aortas: Continuum and computational modeling with application to arterial clamping

Fereidoonnezhad, B., Naghdabadi, R. & Holzapfel, G., Aug 2016, In : Journal of the mechanical behavior of biomedical materials. 61, p. 600-16 17 p.

Research output: Contribution to journalArticleResearchpeer-review

Tissue
Balloons
Blood pressure
Constitutive models
Boundary value problems

Very large and giant microsurgical bifurcation aneurysms in rabbits: Proof of feasibility and comparability using computational fluid dynamics and biomechanical testing

Sherif, C., Herbich, E., Plasenzotti, R., Bergmeister, H., Windberger, U., Mach, G., Sommer, G., Holzapfel, G., Haider, T., Krssak, M. & Kleinpeter, G., 2016, In : Journal of neuroscience methods. 268, p. 7-13

Research output: Contribution to journalArticleResearchpeer-review

2015

A method for incorporating three-dimensional residual stretches/stresses into patient-specific finite element simulations of arteries

Pierce, D., Fastl, T., Rodriguez-Vila, B., Verbrugghe, P., Fourneau, I., Maleux, G., Herijgers, P., Gómez Aguilera, E. J. & Holzapfel, G., 2015, In : Journal of the mechanical behavior of biomedical materials. 47, p. 147-164

Research output: Contribution to journalArticleResearchpeer-review

A thick-walled fluid-solid-growth model of abdominal aortic aneurysm evolution: application to a patient-specific geometry

Grytsan, A., Watton, P. & Holzapfel, G., 2015, In : Journal of biomechanical engineering. 137, p. 031008-1-031008-10

Research output: Contribution to journalArticleResearchpeer-review

Biomechanical properties and microstructure of human ventricular myocardium

Sommer, G., Schriefl, A. J., Andrä, M., Sacherer, M., Viertler, C., Wolinski, H. & Holzapfel, G., 2015, In : Acta biomaterialia. 24, p. 172-192

Research output: Contribution to journalArticleResearchpeer-review

Constitutive modelling of arteries considering fibre recruitment and three-dimensional fibre distribution

Weisbecker, H., Unterberger, M. J. & Holzapfel, G., 2015, In : Journal of the Royal Society - Interface. 12, p. 20150111-

Research output: Contribution to journalArticleResearchpeer-review

Coupled Models for Soft Biological Tissue Disorders

Peña, E. & Holzapfel, G., Jul 2015, In : Annals of Biomedical Engineering. 43, 7, p. 1475-6 2 p.

Research output: Contribution to journalArticleResearchpeer-review

Diameter-related variations of geometrical, mechanical and mass fraction data in the anterior portion of abdominal aortic aneurysms

Tong, J., Cohnert, T. & Holzapfel, G., 2015, In : European journal of vascular and endovascular surgery. 49, p. 262-270

Research output: Contribution to journalArticleResearchpeer-review

Human thoracic and abdominal aortic aneurysmal tissues: damage experiments, statistical analysis and constitutive modeling

Pierce, D., Maier, F., Weisbecker, H., Viertler, C., Verbrugghe, P., Famaey, N., Fourneau, I., Herijgers, P. & Holzapfel, G., 2015, In : Journal of the mechanical behavior of biomedical materials. 41, p. 92-107

Research output: Contribution to journalArticleResearchpeer-review

Investigation of the optimal collagen fibre orientation in human iliac arteries

Qi, N., Gao, H., Ogden, R. W., Hill, N. A., Holzapfel, G., Han, H. & Luo, X., 2015, In : Journal of the mechanical behavior of biomedical materials. 52, p. 108-119

Research output: Contribution to journalArticleResearchpeer-review

Mechanics of the brain: perspectives, challenges, and opportunitie

Goriely, A., Geers, M. G. D., Holzapfel, G., Jayamohan, J., Jérusalem, A., Sivaloganathan, S., Squier, W., van Dommelen, J. A. W., Waters, S. & Kuhl, E., 2015, In : Biomechanics and Modeling in Mechanobiology. 9, p. 931-965

Research output: Contribution to journalArticleResearchpeer-review

Microglia mechanics: immune activation alters traction forces and durotaxis

Bollmann, L., Koser, D. E., Shahapure, R., Gautier, H. O., Holzapfel, G., Scarcelli, G., Gather, M. C., Ulbricht, E. & Franze, K., 2015, In : Frontiers in Cellular Neuroscience . 9, p. 1- 16

Research output: Contribution to journalArticleResearchpeer-review

Modelling non-symmetric collagen fibre dispersion in arterial walls

Holzapfel, G., Niestrawska, J. A., Ogden, R. W., Reinisch, A. J. & Schriefl, A. J., 6 May 2015, In : Journal of the Royal Society - Interface. 12, 106

Research output: Contribution to journalArticleResearchpeer-review

Collagen
Adventitia
Fibers
Elasticity
Theoretical Models

Non-symmetric collagen fibre dispersion in arterial walls

Holzapfel, G., Niestrawska, J. A., Ogden, R. W., Reinisch, A. J. & Schriefl, A. J., 2015, In : Journal of the Royal Society - Interface. 12, p. 20150188-

Research output: Contribution to journalArticleResearchpeer-review

On the tension-compression switch in soft fibrous solids

Holzapfel, G. & Ogden, R. W., 2015, In : European journal of mechanics / A. 49, p. 561-569

Research output: Contribution to journalArticleResearchpeer-review

Quantification of shear deformations and corresponding stresses in the biaxially tested human myocardium

Sommer, G., Haspinger, D. C., Andrä, M., Sacherer, M., Viertler, C., Regitnig, P. & Holzapfel, G., 2015, In : Annals of Biomedical Engineering. 43, 10, p. 2334-2348

Research output: Contribution to journalArticleResearchpeer-review