Dynamic Response of Systematically Creased Membranes

Hossain, N. M. A.; Woo, Kyeongsik

doi:10.2514/6.2007-1806

Cited by 8 publications

(3 citation statements)

References 2 publications

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“…A series of experiments were also performed to study the nonlinear material response of a systematically single and doubly-creased Kapton membrane. In addition, they also performed an analysis of the dynamic response of systematically creased membranes with combined linear isotropic and nonlinear orthotropic material behaviors [21]. Woo et al [22] developed a numerical method to determine the effective modulus of a single creased thin film membrane.…”

Section: Introductionmentioning

confidence: 99%

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Wrinkle-crease interaction behavior simulation of a rectangular membrane under shearing

Wang

Tan

2011

Acta Mech Sin

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Wrinkling analysis of a rectangular membrane with a single crease under shearing is performed to understand the wrinkle-crease interaction behaviors. The crease is considered by introducing the residual stresses from creasing and the effective modulus into the baseline configuration with assumed circular cross-sectional crease geometry. The wrinkling analysis of the creased membrane is then performed by using the direct perturb-force (DP) simulation technique which is based on our modified displacement components (MDC) method. Results reveal that the crease may influence the stress transfer path in the membrane and further change the wrinkling direction. The crease appears to improve the bending stiffness of the membrane which has an effective resistance on the wrinkling evolution. The effects of the crease orientation on wrinkle-crease interaction are studied toward the end of this paper. The results show that the wrinkling amplitude, wavelength, and direction increase as the crease orientation increases, and the wrinkling number decreases with the increasing crease orientation.

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Section: Introductionmentioning

confidence: 99%

“…The membrane creasing and the wrinkle-crease interaction have been analyzed using either membrane or thin shell methods [18][19][20][21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Wrinkle-crease interaction behavior simulation of a rectangular membrane under shearing

Wang

Tan

2011

Acta Mech Sin

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“…7) The out-of-plane stiffness of the creased square membrane was investigated through vibration modes. 8) Related to the IKAROS, the effects of creases on the out-ofplane stiffness of the spinning square solar sail were analyzed. 9) Few studies have been done on the out-of-plane stiffness of creased circular membranes.…”

Section: Introductionmentioning

confidence: 99%

Effect of Creases on the Stiffness of Spinning Circular Membrane

Okuizumi

2018

Trans. Japan Soc. Aero. S Sci.

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In this study, the effect of creases on the out-of-plane stiffness of a spinning circular membrane was investigated. A circular polyimide membrane, 600 mm in diameter and 25 µm in thickness, was used. Fanfold and flat-creased circular membranes with 12 fanfold creases in the radial direction, as well as a flat circular membrane without creases, were considered. First, forced vibration experiments on the spinning membranes were conducted in a vacuum chamber and the relationships between the rotation speed and first resonant frequencies were measured to examine the variations in stiffness due to creases. Subsequently, large deformation analyses of the membranes under gravity and eigenvalue analyses of the equilibrium states were conducted using a commercial nonlinear finite element software (i.e., Abaqus), and the fundamental modal frequencies were obtained and compared with the experimental results. The fundamental frequencies without gravity were also numerically analyzed. The author found that the fundamental frequency of the fanfold membrane was almost independent of gravity. Finally, the cause of variation in the fundamental frequencies of the membranes is discussed by estimating the stiffness due to the three-dimensional equilibrium shapes.

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