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Evaluation of different strategies for the integration of hypoplastic constitutive equations: Application to the CLoE model

✍ Scribed by Claudio Tamagnini; Gioacchino Viggiani; René Chambon; Jacques Desrues


Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
291 KB
Volume
5
Category
Article
ISSN
1082-5010

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✦ Synopsis


The paper discusses the performance of two di!erent strategies for the integration of hypoplastic constitutive equations, recently proposed to model the incrementally non-linear behaviour of granular soils. An extensive program of numerical tests on some particular strain paths has been conducted in order to evaluate the di!erent algorithms in terms of both accuracy and e$ciency. The paper focuses on the e!ects of such variables as strain increment size and assumed error tolerance, as well as strain increment direction and initial stress state.


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