Dynamic analysis of a tensegrity-based traction structure
Engineering Computations (Swansea, Wales), ISSN: 0264-4401, Vol: 41, Issue: 2, Page: 347-363
2024
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Article Description
Purpose: This study proposes a tensegrity-based traction structure with D-bar dual cable units. It is used to connect the airship and the ground to stabilize the airship. Design/methodology/approach: The mathematical models and dynamic models of the D-bar dual cable (hereafter referred to as DD cable) unit of the tensegrity-based traction structure are established. Based on the minimum mass method, the mass of the DD cable unit in the critical state (cable member is yielding, or bar member is buckling or yielding) is analyzed. Then, the tensile strength of the DD cable unit and single cable unit under the same condition is compared using the control variate method. Finally, based on ANSYS dynamic simulation, the stability of the two structures under the same external force disturbance was tested. Findings: Expressions for the minimum mass of the DD cable unit under different failure conditions are solved. Dynamic simulation results show that the capacity of resisting disturbance of the DD cable unit is much better than that of the single cable unit under the same wind speed. So, we find a structure more suitable for the fixed connection of an airship. Originality/value: This study helps to provide theoretical reference and thinking for the practical application of the traction structure with a D-bar dual cable unit.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85189244261&origin=inward; http://dx.doi.org/10.1108/ec-05-2023-0232; https://www.emerald.com/insight/content/doi/10.1108/EC-05-2023-0232/full/html; https://dx.doi.org/10.1108/ec-05-2023-0232; https://www.emerald.com/insight/content/doi/10.1108/ec-05-2023-0232/full/html
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