gallery:multiscaleheattransport
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revision | |||
gallery:multiscaleheattransport [2013/04/11 10:40] – complaint2 | gallery:multiscaleheattransport [2013/04/15 15:30] (current) – old revision restored bp | ||
---|---|---|---|
Line 1: | Line 1: | ||
+ | ===== Multiscale Heat Transport ===== | ||
- | Buy [[http:// | + | Hydrating concrete produces significant amount of hydration heat, which causes several problems in massive concrete elements. Multiscale simulation helped |
+ | {{: | ||
+ | {{: | ||
+ | {{: | ||
+ | |||
+ | Two computational scales are defined here, see Figure on the right | ||
+ | - Level of cement paste. CEMHYD3D material model predicts the evolution of discrete microstructure on the scale of micrometers and returns liberated heat. | ||
+ | - Structural level. The heat balance equation is solved with finite elements. Several finite elements are grouped together and mapped to one CEMHYD3D instance. Nine OOFEM' | ||
+ | |||
+ | The Figures below show temperature evolution during concrete hardening and induced out-of-plane stress when considering B3 model for concrete creep. The simulation runs on a left symmetric part of the arch cross-section. Optimal position of cooling pipes is apparent. Note that the cooling turns off after several hours which detaches natural Dirichlet' | ||
+ | |||
+ | {{: | ||
+ | {{: | ||
+ | {{: | ||
+ | |||
+ | {{mpeg> | ||
+ | {{mpeg> | ||
+ | |||
+ | //Created 12/2010 by Vít Šmilauer. Acknowledgements belong also to B. Patzák, Z. Bittnar, J. L. Vítek and Pontex Consulting Engineers, Ltd.// |
gallery/multiscaleheattransport.txt · Last modified: 2013/04/15 15:30 by bp