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b_shekastehband@sut.ac.ir

k_abedi@sut.ac.ir

Tensegrity

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- FormianANSYS Mechanical desktop

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ANSYS

Link10 Link8Combin7 Link10 Link8

ANSYS[ ]

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Link180

Beam189

[ ]ANSYSL r 100

0.0005L , 0.001L , 0.005L

3.25 cm2 1.2247 m 2.0*107 N cm2

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L r 1000.0005L , 0.001L , 0.005L

ANSYS

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0.28cm2 4*106 N cm2

3.25cm2 2.0*107 N cm20.279 N cm23500 N cm2

[ ] 36300NY X Z Y X ANSYS

Z Z X X

P 1200NANSYS

Target

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M1

ANSYS

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[ ]0.5m 4m

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L r 65 ,100 ,1600.0005L , 0.001L , 0.005L

2E5 MPa235 MPa 3.25 cm2

4E4 MPa

X Z X YY Z Y X

0.7cm2 0.8 cm2

0.6 cm265rL100L rL r 160.001L L r 65is=0.008 , 0.01 , 0.012

100.001L L ris=0.008is=0.01, 0.012

160.001L L ris=.005is=.0066 , .008

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.001L L r 65100.001L L r

160.001L L r

100L r160rL

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0.0005L is=0.01 L r 1000.001L0.005L

.0005L is=0.008 L r 160.001L0.005L

.001L L r 65100.001L L r

160.001L L r

65.001L L ris=0.01 , 0.012 , 0.015

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100.001L L ris=0.008 , 0.012 . is=0.01

160.001L L ris=0.0066 , 0.008 is=0.008

65L rL r 160

0.001L is=0.01 , 0.012 , 0.015 L r 650.0005L0.005L

160is=0.005 L r0.001L0.0005L0.005L

0.001L is=0.00660.0005L0.005L

co2 co1

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L r 65100rL

L r 160

is=0.012650.005L L r

is=0.0081000.001L L ris=0.0066L r 160

0.0005L

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L r 10065L r

0.010.0066 , 0.008

[ ].Abedi, K., “Instability Behaviour and Collapse Analysis of Space Structures”, Proceeding of the First National Conference on Space Structures, Iran, Tehran, May 15-17, 2000. [ ].ANSYS Help, Theory Reference, Version 6.1 & 9, 2004.[ ].Ben Kahla, N., Kebiche, K., “Nonlinear elastoplastic analysis of tensegrity systems”, Engineering Structures 23 (2000) 1552-1566.[ ].Gioncu, V., “Buckling of Reticulated Shells: State-of-the-Art”,InternationalJournal of Space Structures, Vol. 10, No. 1, 1995.[ ]. Kebiche, K., Kazi-Aoual, M.N., Motro, R., “Geometrical non-linear analysis of tensegrity systems”, Engineering Structures 21 (1999) 864-876.[ ].Motro, R., “ Tensegrity: State-of-the-Art”, Space Structures 5, Thomas Telford,London, 2002.[ ]. Murakami, H., “Static and dynamic analysis of tensegrity structures. Part 1. Nonlinear equation of motion”, International Journal of Solids and Structures 38(2001) 3599- 3613. [ ]. Nooshin, H. and Disney, P., “Formex Configuration Processing”, International Journal of Space Structures Vol. 15, No. 1, 2000.[ ]. Shekastehband, B., “IInnvveessttiiggaattiioonn iinnttoo tthhee SSttaattiiccaallllyy SSttaabbiilliittyy BBeehhaavviioorr ooff TTeennsseeggrriittyy SSttrruuccttuurreess””,, MMaasstteerr ooff SScciieennccee Thesis, Zanjan University, Dep. of Civ. Eng, 2004.

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[ ]. Skelton, R.E., “Smart Tensegrity Wings”, Structural Systems and Control Laboratory School of Engineering, UCSD, 2003. [ ]. Sultan, C., Corless, M., Skelton, R.E., “The prestressability problem of tensegrity structures: some analytical solutions”, International Journal of Solids and Structures 38 (2001)5223-5252.[ ]. Tibert, G., “Deployable Tensegrity Structures for Space Applications”, Doctoral Thesis,Stockholm,Royal Institute of Technology, Department of Mechanics, 2002.[ ]. Wang, B.B and Yan-Yun L., “From Tensegrity Grids to Cable-strut Grids”, International Journal of Space Structures, Vol. 16, No. 4, 2001. [ ]. Zhang, L., Wardenier, J., “Analysis of Various Type of Tensegrity Steel Roof Structures”, Space Structures 5, Thomas Telford, London, 2002.