Schwiedrzik, Johann Jakob

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2017

Varga, Peter; Inzana, Jason A.; Schwiedrzik, Johann Jakob; Zysset, Philippe; Gueorguiev, Boyko; Blauth, Michael; Windolf, Markus (2017). New approaches for cement-based prophylactic augmentation of the osteoporotic proximal femur provide enhanced reinforcement as predicted by non-linear finite element simulations. Clinical biomechanics, 44, pp. 7-13. Elsevier 10.1016/j.clinbiomech.2017.03.001

2016

Wolfram, Uwe; Schwiedrzik, Johann Jakob; Mirzaalimazandarani, Mohammadjavad; Bürki, Alexander; VARGA, P.; OLIVIER, C.; PEYRIN, F.; Zysset, Philippe (2016). Characterizing microcrack orientation distribution functions in osteonal bone samples. Journal of microscopy, 264(3), pp. 268-281. Wiley 10.1111/jmi.12440

Zysset, Philippe; Schwiedrzik, Johann Jakob; Wolfram, Uwe (2016). European Society of Biomechanics S.M. Perren Award 2016: A statistical damage model for bone tissue based on distinct compressive and tensile cracks. Journal of biomechanics, 49(15), pp. 3616-3625. Elsevier 10.1016/j.jbiomech.2016.09.045

Schwiedrzik, J.; Gross, T.; Bina, M.; Pretterklieber, M.; Zysset, P.; Pahr, D. (2016). Experimental validation of a nonlinear μ FE model based on cohesive-frictional plasticity for trabecular bone. International Journal for Numerical Methods in Biomedical Engineering, 32(4), e02739. Wiley 10.1002/cnm.2739

Varga, Peter; Schwiedrzik, Jakob; Zysset, Philippe K.; Fliri-Hofmann, Ladina; Widmer, Daniel; Gueorguiev, Boyko; Blauth, Michael; Windolf, Markus (2016). Nonlinear quasi-static finite element simulations predict in vitro strength of human proximal femora assessed in a dynamic sideways fall setup. Journal of the mechanical behavior of biomedical materials, 57, pp. 116-127. Elsevier 10.1016/j.jmbbm.2015.11.026

Mirzaalimazandarani, Mohammadjavad; Schwiedrzik, Johann Jakob; Thaiwichai, Suwanwadee; Best, James P.; Michler, Johann; Zysset, Philippe; Wolfram, Uwe (2016). Mechanical properties of cortical bone and their relationships with age, gender, composition and microindentation properties in the elderly. Bone, 93, pp. 196-211. Elsevier 10.1016/j.bone.2015.11.018

2015

Mirzaali, Mohammad J.; Bürki, Alexander; Schwiedrzik, Jakob; Zysset, Philippe K.; Wolfram, Uwe (2015). Continuum damage interactions between tension and compression in osteonal bone. Journal of the mechanical behavior of biomedical materials, 49, pp. 355-369. Elsevier 10.1016/j.jmbbm.2015.05.007

Rauner, Martina; Thiele, Sylvia; Fert, Ingrid; Araujo, Luiza M.; Layh-Schmitt, Gerlinde; Colbert, Robert A.; Hofbauer, Christine; Bernhardt, Ricardo; Bürki, Alexander; Schwiedrzik, Jakob; Zysset, Philippe K.; Pietschmann, Peter; Taurog, Joel D.; Breban, Maxime; Hofbauer, Lorenz C. (2015). Loss of bone strength in HLA-B27 transgenic rats is characterized by a high bone turnover and is mainly osteoclast-driven. Bone, 75, pp. 183-191. Elsevier 10.1016/j.bone.2015.02.024

Maquer, Ghislain Bernard; Schwiedrzik, Johann Jakob; Huber, Gerd; Morlock, Michael M.; Zysset, Philippe (2015). Compressive strength of elderly vertebrae is reduced by disc degeneration and additional flexion. Journal of the mechanical behavior of biomedical materials, 42, pp. 54-66. Elsevier 10.1016/j.jmbbm.2014.10.016

Schwiedrzik, Johann Jakob; Zysset, Philippe (2015). Quantitative analysis of imprint shape and its relation to mechanical properties measured by microindentation in bone. Journal of biomechanics, 48(2), 210 - 216. Elsevier 10.1016/j.jbiomech.2014.12.001

Schwiedrzik, Johann Jakob; Zysset, Philippe Kurt (2015). The influence of yield surface shape and damage in the depth-dependent response of bone tissue to nanoindentation using spherical and Berkovich indenters. Computer methods in biomechanics and biomedical engineering, 18(5), pp. 492-505. Taylor & Francis 10.1080/10255842.2013.818665

2014

Schwiedrzik, Johann Jakob (2014). Experimental, theoretical and numerical investigation of the nonlinear micromechanical properties of bone. (Dissertation, Universität Bern, Graduate School for Cellular and Biomedical Sciences)

Schwiedrzik, Johann Jakob; Raghavan, Rejin; Bürki, Alexander; LeNader, Victor; Wolfram, Uwe; Michler, Johann; Zysset, Philippe (2014). In situ micropillar compression reveals superior strength and ductility but an absence of damage in lamellar bone. Nature Materials, 13(7), pp. 740-747. Nature Publishing Group 10.1038/nmat3959

Maquer, Ghislain Bernard; Schwiedrzik, Johann Jakob; Zysset, Philippe (2014). Embedding of human vertebral bodies leads to higher ultimate load and altered damage localisation under axial compression. Computer methods in biomechanics and biomedical engineering, 17(2), pp. 1311-1322. Taylor & Francis 10.1080/10255842.2012.744400

Pahr, Dieter H.; Schwiedrzik, Johann Jakob; Dall'Ara, Enrico; Zysset, Philippe (2014). Clinical versus pre-clinical FE models for vertebral body strength predictions. Journal of the mechanical behavior of biomedical materials, 33, pp. 76-83. Elsevier 10.1016/j.jmbbm.2012.11.018

2013

Schwiedrzik, J. J.; Wolfram, U.; Zysset, P. K. (2013). A generalized anisotropic quadric yield criterion and its application to bone tissue at multiple length scales. Biomechanics and Modeling in Mechanobiology, 12(6), pp. 1155-1168. Springer 10.1007/s10237-013-0472-5

Schwiedrzik, J. J.; Zysset, P. K. (2013). An anisotropic elastic-viscoplastic damage model for bone tissue. Biomechanics and Modeling in Mechanobiology, 12(2), pp. 201-213. Springer 10.1007/s10237-012-0392-9

Kinzl, Michael; Schwiedrzik, Jakob; Zysset, Philippe K.; Pahr, Dieter H. (2013). An experimentally validated finite element method for augmented vertebral bodies. Clinical biomechanics, 28(1), pp. 15-22. Elsevier 10.1016/j.clinbiomech.2012.09.008

2012

Wolfram, Uwe; Gross, Thomas; Pahr, Dieter H.; Schwiedrzik, Jakob J.; Wilke, H. Joachim; Zysset, Philippe K. (2012). Fabric-based Tsai-Wu yield criteria for vertebral trabecular bone in stress and strain space. Journal of the mechanical behavior of biomedical materials, 15, pp. 218-228. Amsterdam: Elsevier 10.1016/j.jmbbm.2012.07.005

2011

Schwiedrzik, Johann Jakob; Kaudela, K.-H.; Burner, U.; Zysset, Philippe (2011). Fabric-mechanical property relationships of trabecular bone allografts are altered by supercritical CO2 treatment and gamma sterilization. Bone, 48(6), pp. 1370-1377. Elsevier 10.1016/j.bone.2011.03.768

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