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| Titel: |
TWO-DIMENSIONAL TRANSIENT HYGROTHERMAL STRESSES IN BODIES WITH CIRCULAR CAVITIES: MOISTURE AND TEMPERATURE COUPLING EFFECTS |
| Auteur: |
Sih, G. C. Ogawa, Akinori Chou, S. C. |
| Verschenen in: |
Journal of thermal stresses |
| Paginering: | Jaargang 4 (1981) nr. 2 pagina's 193-222 |
| Jaar: |
1981-04-01 |
| Inhoud: |
When moisture concentration and/or temperature are suddenly changed on the boundary of a solid, stresses and strains are introduced and these can be further aggravated by the presence of stress raisers such as voids or cavities. In this paper, a time-dependent finite-element procedure is developed for solving the hygrothermal stresses around a circular cavity in a finite plate. Numerical results are displayed graphically for the T300/5208 graphite fiber-reinforced epoxy-resin material. The size of the hole relative to the plate is varied for three different cases, such that the interaction of mositure and temperature is investigated in conjunction with changes in the solid geometry. Possible failure sites are also examined by application of the strain-energy density criterion. These locations are determined from the stationary values of the strain-energy factor. The hygrothermal influence tends to move the failure site away from the cavity, while the mechanical load produces the opposite effect. The proportion of the energy stored by hygrothermal disturbances is investigated. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 10 van 10 gevonden artikelen
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