MTS Multipurpose Simulated - Manual (Page 34)

Description Parameter
Specify the number of cycles at which
precrack activity stops. Precrack Cycle Limit
Specify the maximum stress intensity desired
at the end of precrack activity. The initial Precrack Final Maximum
K
precrack Maximum K is 1.4 times the Final
Maximum K value.
5.2.2.4.0 CTOD Parameters
In the CTOD Parameters section of the Main menu, you select COD or Displacement as the control mode
for the test, and then specify the Ramp Rate, which is the rate for the ramp segment of the CTOD step.
5.2.2.5.0 Data Storage Parameters
Data Storage Parameters
Description Parameter
Specify the percentage of precrack activity
that must complete before data is saved to
disk. Precrack Save Percent
Limit
Specify the cycle intervals written to disk
during the precrack activity. Store Every Nth Precrack
Cycle
Specify the frequency at which data is saved
to disk during the precrack activity. CTOD Data Frequency
Specify the change in force required to save
data to disk. Delta Force
5.2.2.6.0 Test Termination Parameters
Test Termination Parameters
Description Parameter
Specify Yes to end the test when the COD
limit is reached. COD Limit
Specify Yes to end the test when the load
limit is reached. Load Limit
Specify Yes to end the test when the
displacement limit is reached. Displacement Limit
34 MTS TestSuite
5.0 Running Simulation Tests