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Title: Formulation of elastic multi-structures
Authors: Sun, BoHua 
Ye, ZhiMing 
Keywords: Multi-structures;Elasticity;Bar/beam;Plates;Shells;3-D body;Linear;Nonlinear
Issue Date: 2009
Publisher: Springer
Source: Sun, B. & Ye, Z. (2009). Formulation of elastic multi-structures. Science in China Series G: Physics Mechanics & Astronomy, 52(6):935-953
Abstract: Based on the creative and groundbreaking work done by Feng and Shi, some further work has been carried out comprehensively by the first author on the formulation of elastic multi-structures. The main contribution of this paper can be summarized as follows: The work of Feng and Shi has been extended to an elastic multi-structures with nonlinear structural element: shell in both linear and nonlinear case. Three general combinations of multi-structures have been formulated, that is, Case 1: linear elements of 3-D body, 1-D bar/beam, 2-D plates and 2-D shell; Case 2: nonlinear elements of 3-D body, 1-D bar/beam, 2-D plates and 2-D shell; and Case 3: the linear-nonlinear mix problem of 3-D body (nonlinear), 1-D bar/beam (linear), 2-D plates (linear) and 2-D shell (linear). From the investigation, it has proved that the higher dimensional element will have a strong influence on the lower one with the inner linkage boundaries, and also proved that solution uniqueness of elastic multi-structures is different from a single 3-D body.
ISSN: 1672-1799
Appears in Collections:Eng - Journal articles (DHET subsidised)

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