Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Numerical Modeling: a Methodological Approach
This chapter offers an approach to numerical modeling that takes account of the following non‐uniformities within a massive element, namely the temperature and drying profile. The domain to which the computer simulation is valid depends on the ability of the mechanical model to demonstrate that the model results lie within acceptable bounds. Numerical models implemented into finite element software packages are capable of providing a direct estimate of the temperature, drying and stress profiles. These models may also be used to investigate complex superposition of the stress state. This is due to their incremental approach, where the effects of hydration and creep are represented at each time‐step. Most finite element software packages include elasto‐plastic models for reinforcement bars and concrete beams. If the reinforcement bar density allows, it is useful to create a mesh solely for the bars and model them explicitly by means of an elasto‐plastic model.
Numerical Modeling: a Methodological Approach
This chapter offers an approach to numerical modeling that takes account of the following non‐uniformities within a massive element, namely the temperature and drying profile. The domain to which the computer simulation is valid depends on the ability of the mechanical model to demonstrate that the model results lie within acceptable bounds. Numerical models implemented into finite element software packages are capable of providing a direct estimate of the temperature, drying and stress profiles. These models may also be used to investigate complex superposition of the stress state. This is due to their incremental approach, where the effects of hydration and creep are represented at each time‐step. Most finite element software packages include elasto‐plastic models for reinforcement bars and concrete beams. If the reinforcement bar density allows, it is useful to create a mesh solely for the bars and model them explicitly by means of an elasto‐plastic model.
Numerical Modeling: a Methodological Approach
Barre, Francis (Autor:in) / Bisch, Philippe (Autor:in) / Chauvel, Danièle (Autor:in) / Cortade, Jacques (Autor:in) / Coste, Jean‐François (Autor:in) / Dubois, Jean‐Philippe (Autor:in) / Erlicher, Silvano (Autor:in) / Gallitre, Etienne (Autor:in) / Labbé, Pierre (Autor:in) / Mazars, Jacky (Autor:in)
30.08.2016
17 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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