Simulation of Deployment Dynamics of In atable Structures
نویسندگان
چکیده
Analytical simulation of the in ation process of in atable structures is key to assessing their robust deployment in a space environment. Although the problem seems to be intractable, a simpli ed nite volume in ation model is developed, which allows discretized description of the gas ow, pressure variation, and resulting nonlinear large deformation throughout domains of the in atable structure. Simulation results are presented along with convergence studies, which provide insight into the deployment of three different packaging/deployment schemes: Z-unfolding, rollout, and extrusion of a cylindrical tube. The proposed in ation model is not limited to prismatic one-dimensional components and can be applied to in atable shapes with complex con gurations. As a validation of the numerical simulation, a laboratory experiment was conducted on the Z-folded con guration. Generally, good agreement in the overall in ation dynamics is observed between the analysis and experiment.
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