Journal ArticleDOI
A non-linear rheological model describing time-dependent deformations and failure
H. Helman,G.J. Creus +1 more
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In this paper, a rheological model to describe non-linear deformations and failure is proposed for the case of constant stress expressions of instantaneous and time-dependent deformations.Abstract:
A rheological model to describe non-linear deformations and failure is proposed. For the case of constant stress expressions of instantaneous and time-dependent deformations are developed. There is an acceptable agreement between theoretical predictions and experimental data.read more
Citations
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An analytical–numerical framework for the study of ageing in fibre reinforced polymer composites
TL;DR: In this paper, an analytical-numerical framework for the compilation, interpretation and application of experimental data to actual engineering analysis and design is discussed, which includes elastic anisotropic relations, ageing viscoelastic and constitutive equations in terms of state variables; age-adjusted failure and degradation criteria.
Journal ArticleDOI
Oil yield and compressibility modeling during microscale expression: Criteria for linseed breeding
TL;DR: In this article, the piston displacement versus time (creep curves) was described by a four-Kelvin-Voigt elements viscoelastic model, which was combined with some biochemical data in order to predict the kinetics of oil extraction.
Journal ArticleDOI
Development of a rheological model for creep strain evolution in steel and aluminium at high temperature
TL;DR: In this paper, a rheological model capable of reproducing the temperature, stress, and time-dependent strain component of steel and aluminium during exposure to high temperature is presented. But the model is limited to the case of steel.
Journal ArticleDOI
Calibration of an Existing Creep Model for Analysis of Aluminium Members Exposed to Constant Temperature
Book ChapterDOI
Non Linear Constitutive Equations for Concrete
TL;DR: In this article, a representation for the linear and non-linear behavior of concrete in the presence of time varying humidity, based on the state variables concept, is introduced. But this representation is not suitable for nonlinear concrete.
References
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Book
Ordinary differential equations
TL;DR: In this article, the Poincare-Bendixson theory is used to explain the existence of linear differential equations and the use of Implicity Function and fixed point Theorems.
Journal ArticleDOI
Researches Toward a General Flexural Theory for Structural Concrete
TL;DR: A general flexible theory is presented in this article, which takes into account the effect of stress-strain relations on the rate of straining and coal-loading of a locomotive.
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