The original criterion assumes that an abrupt onset of a crack with a finite extension occurs when two conditions are fulfilled simultaneously: first the normal traction all along the presupposed crack path reaches a critical value, and second the onset is energetically allowed.
Furthermore, remember from SubSection 6.3 that the conditions (25) and (27) cannot be fulfilled simultaneously.
Finally, for the process of energy production, these 3 conditions must be fulfilled simultaneously: 1) Availability of stored water capacity.
Nevertheless, not all the requirements can be fulfilled simultaneously in reality, either due to contradictory conditions or practical constraints.
If the conditions in (8a) and (8b) are fulfilled simultaneously, both transmitters would be transmitting at the same time.
As an example, these conditions are fulfilled for the second and for the third reaction in Figure 7, whereas they are not fulfilled simultaneously in the remaining reactions.
When all these conditions are fulfilled simultaneously, it can be considered that a patient has good multifactorial control.
However, their safety concerns, stringent material requirements and high costs are difficult to fulfill simultaneously.
The abnormalities may result in strengthened networks related to appetitive drive or the need to fulfill desires and simultaneously weakened networks that exercise control over behaviors.
Sorabji fulfilled it with Il tessuto d'arabeschi (1979).
