Instytut Podstawowych Problemów Techniki
Polskiej Akademii Nauk

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Ostatnie publikacje
1.  Ario I., Yamashita T., Chikahiro Y., Nakazawa M., Fedor K., Graczykowski C., Pawłowski P., Structural analysis of a scissor structure, BULLETIN OF THE POLISH ACADEMY OF SCIENCES: TECHNICAL SCIENCES, ISSN: 0239-7528, DOI: 10.24425/bpasts.2020.134623, Vol.68, No.6, pp.1-14, 2020

Streszczenie:
This paper presents equilibrium mechanics and a finite element model for analysing a scissor structure that contains pivots with zero bending stiffness representing structural instability. The pivot at the centre of each structural unit, which is a feature of scissor structures, can be used to transfer the displacement between the units. It cannot, however, transfer the rotation between these units, and the angular stiffness must be considered independently for each unit. To construct a general model of the scissor structure, a scissor unit was developed using the left and right boundary connections of adjacent units to simulate a periodically symmetric structure. The proposed method allows us to obtain an accurate distribution of the internal forces and deflections without the use of special elements to account for central pivots.

Słowa kluczowe:
scissor structure, deployable structure, smart bridge, scissors finite element, equilibrium mechanics

Afiliacje autorów:
Ario I. - Hiroshima University (JP)
Yamashita T. - Hiroshima University (JP)
Chikahiro Y. - Shinshu University (JP)
Nakazawa M. - Tohoku Gakuin University (JP)
Fedor K. - IPPT PAN
Graczykowski C. - IPPT PAN
Pawłowski P. - IPPT PAN
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