Gerhard Holzapfel

Univ.-Prof. Dipl.-Ing. Dr.techn.

1990 …2020
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Research Output 1990 2019

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

Data from: On fibre dispersion modelling of soft biological tissues: a review

Holzapfel, G. A., Ogden, R. W. & Sherifova, S. M., 4 Feb 2019, (Submitted)

Research output: Non-print formData set/DatabaseResearch

File
Tissue
Fibers
Cartilage
Collagen
Boundary value problems
2018

A Brief Review on Computational Modeling of Rupture in Soft Biological Tissues

Gültekin, O. & Holzapfel, G., 2018, Advances in Computational Plasticity : A Book in Honour of D. Roger J. Owen. Oñate, E., Peric, D., Neto, E. D. S. & Chiumenti, M. (eds.). Springer Nature, p. 113-144 22 p. (Computational Methods in Applied Sciences; vol. 46).

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

Rupture
Biomechanical Phenomena
Traction
Tears
Ligaments

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
Inflation

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

Multiscale Soft Tissue Mechanics and Mechanobiology: State-of-the-Art Modeling

Holzapfel, G. (ed.) & Ogden, R. W. (ed.), 2018, Springer Nature. 305 p.

Research output: Book/ReportAnthologyResearch

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

Preface of the special issue on mathematical and computational modeling in biomechanics

Holzapfel, G. A. & Cyron, C. J., 1 Dec 2018, In : ZAMM Zeitschrift fur Angewandte Mathematik und Mechanik. 98, 12, p. 2044-2046 3 p.

Research output: Contribution to journalEditorialResearchpeer-review

Region- and loading-specific finite viscoelasticity of human brain tissue

Budday, S., Sommer, G., Paulsen, F., Holzapfel, G., Steinmann, P. & Kuhl, E., 2018, PAMM - Proceedings of Applied Mechanics and Mathematics. Vol. 18.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

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

Viscoelasticity of cross-linked actin network embedded in cytosol

Wiegold, T., Klinge, S., Aygün, S., Gilbert, R. P. & Holzapfel, G., 2018, PAMM - Proceedings of Applied Mechanics and Mathematics. Vol. 18.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

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

Biomechanics: Trends in Modeling and Simulation: Studies in Mechanobiology, Tissue Engineering and Biomaterials

Holzapfel, G. (ed.) & Ogden, R. W. (ed.), 2017, Springer Nature. (Studies in Mechanobiology, Tissue Engineering and Biomaterials; vol. 20)

Research output: Book/ReportAnthologyResearch

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

Crack phase-field modeling of anisotropic rupture in fibrous soft tissues.

Gültekin, O., Dal, H. & Holzapfel, G., 2017, Proceedings of the XIV International Conference on Computational Plasticity. Fundamentals and Applications (COMPLAS XIV). Onate, E., Owen, D. R. J., Peric, D. & Chiumenti, M. (eds.). p. 139-150

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

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

Microstructure and mechanics of human aortas in health and disease

Holzapfel, G., 2017, Biomechanics: Trends in Modeling and Simulation. Holzapfel, G. & Ogden, R. W. (eds.). Springer Nature, p. 157-192 (Studies in Mechanobiology, Tissue Engineering and Biomaterials; vol. 20).

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

Modeling of damage in soft biological tissues

Holzapfel, G. & Fereidoonnezhad, B., 2017, Biomechanics of Living Organs: Hyperelastic Constitutive Laws for Finite Element Modeling. Payan, Y. & Ohayon, J. (eds.). Academic Press, p. 101-123

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

Mortar Domain Decomposition Methods for Quasilinear Problems and Applications

Gsell, M. A. F., Brenn, G. (ed.), Holzapfel, G. (ed.), von der Linden, W. (ed.), Schanz, M. (ed.) & Steinbach, O. (ed.), 2017, Verlag der Technischen Universität Graz. (Monographic Series TU Graz, Computation in Engineering and Science (CES))

Research output: Book/ReportBookResearchpeer-review

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

Phase‐Field Models for the Failure of Anisotropic Continua

Dal, H., Gültekin, O., Denli, F. A. & Holzapfel, G., Dec 2017, Proceedings in Applied Mathematics & Mechanics. 1 ed. GAMM, Vol. 17. p. 91-94 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Cracks
Composite materials
Crack initiation
Carbon fibers
Mathematical operators

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

Schrödinger operators and singular infinite rank pertubations

Kühn, C., Brenn, G. (ed.), Holzapfel, G. (ed.), von der Linden, W. (ed.), Schanz, M. (ed.) & Steinbach, O. (ed.), 2017, Verlag der Technischen Universität Graz. (Monographic Series TU Graz, Computation in Engineering and Science (CES))

Research output: Book/ReportBookResearchpeer-review

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 Kernel Interpolation Based Fast Multipole Method for Elastodynamic Problems

Traub, T., Brenn, G. (ed.), Holzapfel, G. (ed.), von der Linden, W. (ed.), Schanz, M. (ed.) & Khinast, J. (ed.), 2016, Verlag der Technischen Universität Graz. (Monographic Series TU Graz, Computation in Engineering and Science (CES))

Research output: Book/ReportBookResearchpeer-review

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

Cross-linked actin network: Micro- and macroscopic effects

Klinge, S., Aygün, S., Mosler, J. & Holzapfel, G., 2016, PAMM: Proceedings of Applied Mechanics and Mathematics. Vol. 16. p. 93-94

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

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

Space-Time Discontinuous Galerkin Methods for Cardiac Electromechanics

Karabelas, E., Brenn, G. (ed.), Holzapfel, G. (ed.), von der Linden, W. (ed.), Schanz, M. (ed.) & Steinbach, O. (ed.), 2016, Graz: Verlag der Technischen Universität Graz. (Monographic Series TU Graz, Computation in Engineering Science (CES))

Research output: Book/ReportBookResearchpeer-review

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