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Gerhard Holzapfel
Researcher at Norwegian University of Science and Technology
Publications - 445
Citations - 29335
Gerhard Holzapfel is an academic researcher from Norwegian University of Science and Technology. The author has contributed to research in topics: Finite element method & Constitutive equation. The author has an hindex of 77, co-authored 410 publications receiving 25410 citations. Previous affiliations of Gerhard Holzapfel include Washington University in St. Louis & Graz University of Technology.
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Development and mechanical characterization of decellularized scaffolds for an active aortic graft.
Francesco Giovanniello,Meisam Asgari,Ivan D. Breslavsky,Giulio Franchini,Gerhard Holzapfel,Maryam Tabrizian,Marco Amabili +6 more
TL;DR: In this paper , a decellularized porcine aorta is used as a scaffold for active aortic repair, and the results indicate that by using an optimized decellulization protocol that minimizes mechanical and structural changes of the tissue, layered scaffolds with static and dynamic properties very similar to natural human aortas are obtained.
Mechanical stresses in abdominal aortic aneurysm. Material anisotropy a parametric study
TL;DR: The results suggest that shorter aneurysms are more critical when asymmetries are present and a strong influence of the material anisotropy on the magnitude and distribution of the peak stress in AAAs.
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A Viscoelastic Model for Human Myocardium
David Nordsletten,Adela Capilnasiu,Will Zhang,Anna Wittgenstein,Myrianthi Hadjicharalambous,Gerhard Sommer,Ralph Sinkus,Gerhard Holzapfel +7 more
TL;DR: A fractional nonlinear anisotropic viscoelastic constitutive model based on experimental data from human myocardium and knowledge of the hierarchical structure of heart muscle is presented, illustrating extensibility of the model to a range of loading phenomena.
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Numerical simulation of the viral entry into a cell driven by receptor diffusion
TL;DR: In this article, the authors focus on the receptor driven endocytosis typical of viral entry into a cell and assume the diffusion equation accompanied by boundary conditions requiring the conservation of binders to describe the process.