Research Article
The Computing of Intersectant Relations for Its Strength Problem on Damage and Fracture to Materials with Short and Long Crack
Table 1
Relations among the edge vectors of the force triangle iteself and their geometrical and physical meanings at each stage.
  Forward direction  Reverse direction 
 Ubiety area of triangle  Geometrical meaning of edge vector  Physical meaning of edge vector  Geometrical meaning of edge vector  Physical meaning of edge vector  Triangle between the axes and  Level edge  Driving force  Level edge  Driving force  Vertical edge  Damage rate  Vertical edge  Life of one cycle  Bevel edge (slope)  Elastoplastic  Bevel vector (slope)  Elastoplastic  Area of triangle  Power (w)  Area  Work (w) in one cycle 
 Triangle between the axes and  Level edge  Driving force  Level edge  Driving force  Vertical edge  Damage rate  Vertical edge  Life of one cycle  Bevel edge (slope)  Elastoplastic  Bevel vector (slope)  Elastoplastic  Area of triangle  Power (w)  Area of triangle  Work (w) in one cycle 
 Triangle between the axes and  Level edge  Driving force  Level edge  Driving force  Vertical edge  Damage rate  Vertical edge  Life of one cycle  Bevel edge (slope)  Elastoplastic and stiffness  Bevel vector (slope)  Elastoplastic and stiffness  Area of triangle  Power  Area of triangle  Work in one cycle 

