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Rate Dependent Elastoviscoplastic Model
A rate dependent model for creep behavior using an elastoviscoplastic model is presented. It requires yield surface that is dependent on the rate of strain. It is called dynamic yield surface and is obtained by modifying or correcting the static yield surface. A new method based on creep tests is proposed to define the static yield surface. The model is validated with respect to test data for two materials: a soil (glacial till) and an alloy (solder). The correlations between model predictions and test data are very good. Thus, the proposed model can be used to characterize the behavior of materials that depend on strain rate and creep.
Rate Dependent Elastoviscoplastic Model
A rate dependent model for creep behavior using an elastoviscoplastic model is presented. It requires yield surface that is dependent on the rate of strain. It is called dynamic yield surface and is obtained by modifying or correcting the static yield surface. A new method based on creep tests is proposed to define the static yield surface. The model is validated with respect to test data for two materials: a soil (glacial till) and an alloy (solder). The correlations between model predictions and test data are very good. Thus, the proposed model can be used to characterize the behavior of materials that depend on strain rate and creep.
Rate Dependent Elastoviscoplastic Model
Springer Ser.Geomech.,Geoengineer.
Yang, Qiang (editor) / Zhang, Jian-Min (editor) / Zheng, Hong (editor) / Yao, Yangping (editor) / Desai, Chandrakant S. (author) / Sane, Shantanu M. (author)
2013-01-01
9 pages
Article/Chapter (Book)
Electronic Resource
English
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