JOURNAL OF THE MECHANICAL BEHAVIOUR OF MATERIALS

VOLUME 13, NO. 3-4, 2002

SPECIAL ISSUE:

PAPERS PRESENTED AT A MINI-SYMPOSIUM ON

GRADIENT THEORY AND MATERIAL INSTABILITIES

THESSALONIKI, GREECE, 2001

TABLE OF CONTENTS

Discretisation Aspects of and Numerical Simulations with Higher-Order Gradient Models

Harm Askes ................. 149

Two Strategies Towards Geometrically Non-Linear Isotropic Gradient Damage

Tina Liebe and Paul Steinmann .................... 175

Some Applications of Higher Order Continuum Theories in Rock Mechanics

Jean Sulem ............... 195

Strain Gradient Crystal Plasticity: Thermomechanical Formulations and Applications

Samuel Forest, Rainer Sievert, and Elias C. Aifantis ................ 219

Size Effects on Concrete Tensile Fracture Properties: An Interpretation of the Fractal Approach Based on the Aggregate Grading

Alberto Carpinteri and Pietro Cornetti ................ 233

Cyclic Plasticity of Nickel Single Crystals Fatigued at Cryogenic Temperatures

M. Hollman .................... 247

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ISSN 0334-8938/MB13:3-4