Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/139610
Title: An isogeometric-meshfree coupling approach for contact problems by using the third medium method
Authors: Huang, Jiazhao
Nguyen-Thanh, Nhon
Zhou, Kun
Keywords: Engineering::Mechanical engineering
Issue Date: 2018
Source: Huang, J., Nguyen-Thanh, N., & Zhou, K. (2018). An isogeometric-meshfree coupling approach for contact problems by using the third medium method. International Journal of Mechanical Sciences, 148, 327-336. doi:10.1016/j.ijmecsci.2018.08.031
Journal: International Journal of Mechanical Sciences
Abstract: This paper presents a concurrent simulation method to integrate the isogeometric-meshfree (IMF) coupling approach with the third medium method for contact problems. The third medium method has been recently proposed as an alternative to conventional contact treatments [1]. This method is based on the concept of formulating a fictive medium in which contacting bodies are free to move and interact. To satisfy contact constraints, the medium is set to change from an isotropic material into an anisotropic one with respect to the movement of contacting bodies. In this way, the penetration of contacting surfaces can be avoided without the aid of an additional gap search algorithm. By further incorporating the IMF coupling approach into the third medium method, the overall problem domain is divided into two sub-domains which are formulated by isogeometric analysis (IGA) and meshfree method, respectively. IGA is applied along the domain boundary while the meshfree approximation is adopted within the interior area. The IMF coupling approach is expected to not only take advantage of both IGA and meshfree methods but also preserve a good convergence based upon the reproducing condition. The accuracy and effectiveness of the present approach are demonstrated by solving a series of benchmark contact problems.
URI: https://hdl.handle.net/10356/139610
ISSN: 0020-7403
DOI: 10.1016/j.ijmecsci.2018.08.031
Schools: School of Electrical and Electronic Engineering 
School of Mechanical and Aerospace Engineering 
Organisations: SMRT-NTU SMART Urban Rail Corporate Laboratory
Rights: © 2018 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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