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DTIC ADA163477: Stress-Strain Behavior and Failure Uniaxial Composi... |
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by Defense Technical Information Center |
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This paper presents a theoretical approach to the problem |
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of finding the stress-strain relations for composites |
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under combined compression and shear. To this end, the 1- |
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element model, presented in Part I of this paper, is |
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replaced by a 2-element model. Both elastic and inelastic |
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composites are explored employing graphical methods. A |
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numerical example is worked out to illustrate the effects |
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of combined loads on the stiffness and strength of a |
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composite. The present theory employs a nonlinear |
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algebraic equation. An alternative approach would be to |
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use a linear incremental theory, leading to a linear |
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differential equation. An analysis is offered to show |
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that the latter approach leads to substantially the same |
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results as the 1-element model. Keywords: Stress-strain |
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relations; Unidirectional composites; Mechanics of |
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failure; Combined compression and shear; Geometric |
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nonlinearity; Material nonlinearity; Carbon-carbon |
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composites; Initial misalignment; Kinking. |
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Date Published: 2018-02-05 12:03:34 |
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Identifier: DTIC_ADA163477 |
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Item Size: 10312608 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Batdorf,S B ; CALIFORN... |
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