Mode | Dimensional Theory | Nondimensional Criteria |
---|---|---|
Mode I | Dc < Db | \(\frac{{\mathrm{D}}_{c}}{{\mathrm{D}}_{b}}<1\) |
Mode II | Dc = Db | \(\frac{{\mathrm{D}}_{c}}{{\mathrm{D}}_{b}}=1\) |
Mode III | Dc > Db Jammed state | \(\frac{{\mathrm{D}}_{c}}{{\mathrm{D}}_{b}}>1\) |