Mixed-dimensional consistent coupling by multi-point constraint equations for efficient multi-scale modeling
Yu, Y., Chan, T.H.T., Sun, Z.H., & Ling, Z.H. (2012) Mixed-dimensional consistent coupling by multi-point constraint equations for efficient multi-scale modeling. Advances in Structural Engineering, 15(5), pp. 837-854.
Finding an appropriate linking method to connect different dimensional element types in a single finite element model is a key issue in the multi-scale modeling. This paper presents a mixed dimensional coupling method using multi-point constraint equations derived by equating the work done on either side of interface connecting beam elements and shell elements for constructing a finite element multiscale model. A typical steel truss frame structure is selected as case example and the reduced scale specimen of this truss section is then studied in the laboratory to measure its dynamic and static behavior in global truss and local welded details while the different analytical models are developed for numerical simulation. Comparison of dynamic and static response of the calculated results among different numerical models as well as the good agreement with those from experimental results indicates that the proposed multi-scale model is efficient and accurate.
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|Item Type:||Journal Article|
|Keywords:||Mixed-dimensional coupling, Multi-point constraint equations, Multi-scale modeling, Finite element analysis|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment|
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 Multi-Science Publishing|
|Deposited On:||07 Aug 2012 11:02|
|Last Modified:||11 Aug 2012 14:20|
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