Download e-book for kindle: Dynamics and Design of Space Nets for Orbital Capture by Leping Yang, Qingbin Zhang, Ming Zhen, Haitao Liu

By Leping Yang, Qingbin Zhang, Ming Zhen, Haitao Liu

ISBN-10: 3662540622

ISBN-13: 9783662540626

ISBN-10: 3662540649

ISBN-13: 9783662540640

This publication covers the subjects of theoretical rules, dynamics version and set of rules, project research, approach layout and experimental stories of house nets approach, aiming to supply an preliminary framework during this box and function a prepared reference for these . area nets process represents a vanguard box in destiny improvement of aerospace applied sciences. even if, it contains new demanding situations and difficulties resembling nonlinear and distorted nets constitution, advanced inflexible versatile coupling dynamics, orbital move of house versatile composite and dynamics keep watch over. at the moment, no complete books on house nets dynamics and layout can be found, so strength readers can get to understand the operating mechanism, dynamics components, and venture layout of the gap nets procedure from a chinese language perspective.

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5 Numerical Solution of Stress Waves with Characteristic Line Stress wave propagation can be solved using a hyperbolic partial differential equation. However, because of the complexity of the partial differential equation, most practical problems cannot be solved analytically, but a theoretical analysis can be used with the specified constitutive relation and boundary condition. During the process of an umbrella hatch dragging a parachute pack, the motion of the hatch provides a boundary for the connection cable and stress wave of the pack.

I et cos u ¼ BEt ¼ j en À sin u sin u cos u ! et en ! ð2:25Þ Then, the dynamic model of the cable only needs the first two items of Eq. 24). 2 Continuous Model of Cable 25 dynamic model of the cable can be simplified into a one-dimensional model. If the cable is parallel to the OE XE axis, then, s 0 ¼ x0 ; s¼x ð2:26Þ Submitting Eq. 27) is the governing equation of the stress wave propagating in a one-dimensional elastic cable. For u ¼ ux in a one-dimensional situation, Eq. 27) can also expressed as follows, @2u E @2u @2u ¼ ¼ c2 2 2 2 @t q @x @x ð2:28Þ where c is the elastic velocity.

2 Modeling Methodology Based on the application of on-orbit capture technology, the dynamic process of space net capture is extensively being investigated from the viewpoint of project design, and the simulation system modeling issues are being analyzed conceptually and methodologically. However, the process is very complex, considering nonlinear dynamics, variable mass dynamics, and multi-body dynamics. 2 Modeling Methodology 53 600 500 F (N) 400 300 200 100 0 0 5 10 15 Δ 20 25 L (mm) Fig. 6 Tension test chart for Japan knot 800 F (N) 600 400 200 0 0 5 10 15 Δ 20 25 L (mm) Fig.

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Dynamics and Design of Space Nets for Orbital Capture by Leping Yang, Qingbin Zhang, Ming Zhen, Haitao Liu

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