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Mechanical characteristics analysis of coal around borehole based on three-stage constitutive model and its numerical validation. [PDF]
Zhang X +5 more
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Acoustic emission characteristics and damage constitutive model of fractured sandstone under uniaxial compression. [PDF]
Liu Q +5 more
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An OpenSees Surrogate Constitutive Model for High-Damping Rubber Based on Machine Learning. [PDF]
Li F, Peng T.
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Discrete Element Damage Constitutive Model of Loess and Corresponding Parameter Sensitivity Analysis Based on the Bond Rate. [PDF]
Qi H, Liu X, Wang H, Hu C.
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A constitutive model for coal gangue coarse-grained subgrade filler incorporating particle breakage. [PDF]
Zhang ZT +6 more
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Generalities on Constitutive Models
2023The balance equations of a body form an under-determined differential system, insufficient to yield specific results unless further relations are supplied. The balance equations for a continuum (free from internal structures) are the continuity equation, the equation of motion, and the balance of energy, namely five equations, for the fourteen unknowns
Angelo Morro, Claudio Giorgi
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2012
Numerical modelling of any problem requires noncontroversial statements of equilibrium and of kinematics or compatibility (the definition of strain); the constitutive response which links stress change and strain change is much more uncertain.
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Numerical modelling of any problem requires noncontroversial statements of equilibrium and of kinematics or compatibility (the definition of strain); the constitutive response which links stress change and strain change is much more uncertain.
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Instabilities and constitutive modelling
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2006The plastics industry today sees huge wastage through product defects caused by unstable flows during the manufacturing process. In addition, many production lines are throughput-limited by a flow speed threshold above which the process becomes unstable. Therefore, it is critically important to understand the mechanisms behind these instabilities.
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