Numerical simulation of multilayer cellular scaffolds with 3D and 1D elements
سال انتشار: 1399
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 359
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شناسه ملی سند علمی:
JR_ADMTL-13-4_005
تاریخ نمایه سازی: 16 دی 1399
چکیده مقاله:
In this paper, an attempt has been made to provide a numerical method for investigating the mechanical properties of multilayer scaffolding. These scaffolds can be used as implants in bone fractures. For this purpose two numerical simulation methods are introduced to predict the elastic properties of multilayer cell scaffolds. These simulations are based on two models: a 3D model with a volumetric element, and a 1D model with a linear element. To compare the results of these models, three types of two- and three-layer titanium alloy scaffolds have been simulated by the two methods. Also, Young's modulus of the scaffolds has been compared with the experimental conclusions of earlier studies. The results confirm that simulations with 1D models are more cost-effective compared to 3D ones. Additionally, because of the more reliable agreement of Young's modulus results of numerical modeling with the linear element (1.8 to 5 times) compared to the volumetric element (11 to 23 times) compared to the experimental findings, the numerical method with the linear elements can be a reliable tool for studying multilayer scaffoldings.
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نویسندگان
Hamid Reza khanaki
Department of Mechanical Engineering, Sciences and Research Branch, Islamic Azad University, Tehran, Iran
Sadegh Rahmati
Department of Mechanical Engineering, Sciences and Research Branch, Islamic Azad University, Tehran, Iran
Mohammad Nikkhoo
Department of Biomedical Engineering, Sciences and Research Branch, Islamic Azad University, Tehran, Iran
Mohammad Haghpanahi
Biomechanics Group, Department of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
Javad Akbari
Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
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