Damage Tolerance of Thin Composite Reinforced Membrane Structures

by Levon Minnetyan, Clarkson Univ, Potsdam, NY, USA,



Document Type: Proceeding Paper

Part of: Engineering, Construction, and Operations in Space IV

Abstract:

Structural performance of fiber reinforced flexible composite membranes, designed as pressurized shelters for space exploration, is investigated via computational simulation. An integrated computer code is utilized for the simulation of damage initiation, growth, and propagation under pressure. Aramid fibers are considered in a rubbery polymer matrix for the composite system. Effects of fiber orientation and fabrication defect/accidental damage are investigated with regard to the safety and durability of the shelter. Results show the viability of fiber reinforced membranes as damage tolerant enclosures for space colonization.

Subject Headings: Composite structures | Structure reinforcement | Computer models | Membranes | Structural analysis | Fiber reinforced polymer | Damage (structural)

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