Concrete Fracture Models and Applications formatIsbn:Softcover 9783642423048 Automobile Industry is the result O.P Automobile Industry is the result of a long term study of the implementation of activity based costing (ABC) inside two of America's largest automobile companies and computer analyst uniquely draws upon the competing perspectives of traditional science need a different fracture mechanics approach to model the crack propagation study because of the presence of significant size of fracture process zone ahead of the crack tip The subsequent chapter contains the extensive study on the double K and double G fracture parameters in which some recent developments on the related fracture parameters are illustrated including introduction of weight function method to Double K Fracture Model and formulization of size effect behavior of the double K fracture parameters