ME 722




Course InFOrmation

Course No: ME 722

Instructor: Basant Lal Sharma

Department: Mechanical Engineering

Units: 3-0-0-9

Pre-requisites: --



Email: bls at

Phone: 6173

Main BookS

  1. Freund, L. B., 1990. Dynamic Fracture Mechanics. Cambridge University Press (Textbook). %, except for part II).

  2. Slepyan, L. I., 2002. Models and Phenomena in Fracture Mechanics, Springer.

Useful links


Course Summary

Overview and history, Discussion on inertial effects. Mathematical preliminaries. Basic linear elastodynamics, Waves in Periodic Structures, Causality Principle. One-dimensional Models. Static Cracks in a Linearly Elastic Body, Stress Intensity Factors and Crack Tip Singularity, Energy Release, General Crack System, Cohesive Zone Model. Elastodynamic solutions for a stationary crack, Scattering of a pulse and a time harmonic waves, Fracture initiation due to dynamic loading. Elastodynamic crack growth, the asymptotic crack tip field, Dynamic energy release rate. One-dimensional Discrete Models, Mode III fracture in square cell elastic lattice. Scattering of lattice waves. Instabilites in dynamic fracture. Modern topics and challenges in dynamic fracture.

Dynamic Fracture Mechanics