A gradient flow theory of plasticity for granular materials

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1991 (EN)
A gradient flow theory of plasticity for granular materials (EN)

Aifantis, EC (EN)
Vardoulakis, I (EN)

N/A (EN)

A flow theory of plasticity for pressure-sensitive, dilatant materials incorporating second order gradients into the flow-rule and yield condition is suggested. The appropriate extra boundary conditions are obtained with the aid of the principle of virtual work. The implications of the theory into shear-band analysis are examined. The determination of the shear-band thickness and the persistence of ellipticity in the governing equations are discussed. © 1991 Springer-Verlag. (EN)


Ellipticity (EN)
Shear Bands (EN)
Strain Gradients (EN)
Second Order (EN)
Materials Science (EN)
Dilatant Materials (EN)
Granular Materials--Testing (EN)
Soils--Plasticity (EN)
Plasticity (EN)
Gradient Flow (EN)
Granular Material (EN)
Boundary Condition (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

Acta Mechanica (EN)


Springer-Verlag (EN)

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