Comprehensive Biomechanism of Impact Resistance in the Cat’s Paw Pad
المؤلفون المشاركون
Pei, Bao-Qing
Wu, Xueqing
Pei, Yuyang
Zhou, Kaiyuan
Hao, Yan
Wang, Wei
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-9، 9ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-07-31
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الملخص EN
Cats are able to jump from a high-rise without any sign of injury, which is attributed in large part to their impact-resistant paw pads.
The biomechanical study of paw pads may therefore contribute to improving the impact resistance of specific biomimetic materials.
The present study is aimed at investigating the mechanics of the paw pads, revealing their impact-resistant biomechanism from macro- and microscopic perspectives.
Histological and micro-CT scanning methods were exploited to analyze the microstructure of the pads, and mechanical testing was conducted to observe the macroscopic mechanical properties at different loading frequencies.
Numerical micromodels of the ellipsoidal and cylindrical adipose compartments were developed to evaluate the mechanical functionality as compressive actions.
The results show that the stiffness of the pad increases roughly in proportion to strain and mechanical properties are almost impervious to strain rate.
Furthermore, the adipose compartment, which comprises adipose tissue enclosed within collagen septa, in the subcutaneous tissue presents an ellipsoid-like structure, with a decreasing area from the middle to the two ends.
Additionally, the finite element results show that the ellipsoidal structure has larger displacement in the early stage of impact, which can absorb more energy and prevent instability at touchdown, while the cylindrical structure is more resistant to deformation.
Moreover, the Von Mises of the ellipsoidal compartment decrease gradually from both ends to the middle, making it change to a cylindrical shape, and this may be the reason why the macroscopic stiffness increases with increasing time after contact.
This preliminary investigation represents the basis for biomechanical interpretation and can accordingly provide new inspirations of shock-absorbing composite materials in engineering.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Wu, Xueqing& Pei, Bao-Qing& Pei, Yuyang& Hao, Yan& Zhou, Kaiyuan& Wang, Wei. 2019. Comprehensive Biomechanism of Impact Resistance in the Cat’s Paw Pad. BioMed Research International،Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1123742
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Wu, Xueqing…[et al.]. Comprehensive Biomechanism of Impact Resistance in the Cat’s Paw Pad. BioMed Research International No. 2019 (2019), pp.1-9.
https://search.emarefa.net/detail/BIM-1123742
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Wu, Xueqing& Pei, Bao-Qing& Pei, Yuyang& Hao, Yan& Zhou, Kaiyuan& Wang, Wei. Comprehensive Biomechanism of Impact Resistance in the Cat’s Paw Pad. BioMed Research International. 2019. Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1123742
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1123742
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر