کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7207423 | 1469068 | 2018 | 39 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Mechanical characterisation of oocytes - The influence of sample geometry on parameter identification
ترجمه فارسی عنوان
مشخصات مکانیکی تخمک ها - تاثیر هندسه نمونه بر شناسایی پارامترها
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی پزشکی
چکیده انگلیسی
The present study focused on the material characterisation of porcine oocytes by experiments combined with an inverse finite-element method (iFEM) approach. In doing so, two different deformation states, compression and indentation, were realised to enable the validation of the numerical model. In addition to classical force-strain relations, geometrical information on the oocyte's surface and volume changes during deformation were collected. These data reveal the typical exponential force-strain behaviour and the highly compressible behaviour of the zona pellucida, imparting overall compressibility to the entire cell. Both force-strain characteristics and geometrical information, along with different combinations of them, were used within the iFEM to identify associated material parameters. As suspected, the identified material parameters show a strong dependence on the information (force-strain relation and/or geometrical information) used in the identification process. Finally, forward finite-element calculations were applied, which verified the quality of the obtained material parameters.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the Mechanical Behavior of Biomedical Materials - Volume 77, January 2018, Pages 764-775
Journal: Journal of the Mechanical Behavior of Biomedical Materials - Volume 77, January 2018, Pages 764-775
نویسندگان
Johannes Dittmann, Andreas Dietzel, Markus Böl,