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Abstract
In this paper a nonlinear isogeometric Kirchhoff-Love shell model of the human abdominal wall is proposed. Its geometry is based on in vivo measurements obtained from a polygon mesh that is transformed into a NURBS surface, and then used directly for the finite element analysis. The passive response of the abdominal wall model under uniform pressure is considered. A hyperelastic membrane model based on the Gasser-Ogden-Holzapfel tissue model is used together with the Koiter bending model to describe the material behavior. Due to the mixed material formulation, different sets of constitutive parameters are examined, such that the influence of each term is analyzed. The membrane contribution of the material model shows a major impact on the displacement magnitude and reflects more reliably the nonlinear character of the deformation.
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Authors (4)
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Thang X. Duong dr
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Roger A. Sauer Prof.
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Keywords
Details
- Category:
- Monographic publication
- Type:
- rozdział, artykuł w książce - dziele zbiorowym /podręczniku w języku o zasięgu międzynarodowym
- Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Borzeszkowski B., Duong T. X., Sauer R. A., Lubowiecka I.: Isogeometric Shell FE Analysis of the Human Abdominal Wall// Innovations in Biomedical Engineering/ : , 2021,
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/978-3-030-52180-6_2
- Verified by:
- Gdańsk University of Technology
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