When running nonlinear analysis, the program reports several time values for different aspects of the nonlinear analysis as shown below:
TIME FOR INITIALIZING ANALYSIS = 12.91
TIME FOR CONTROLLING ANALYSIS = 43895.74
TIME FOR FORMING STIFFNESS MATRIX = 922.40
TIME FOR SOLVING STIFFNESS MATRIX = 431.23
TIME FOR CALCULATING DISPLACEMENTS = 642.98
TIME FOR DETERMINING EVENTS = 395.76
TIME FOR UPDATING STATE = 17134.01
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TOTAL TIME FOR THIS ANALYSIS = 63435.03
The meaning of individual times is as follows:
- Time for initializing analysis:
- Time for controlling analysis:
- Time for forming stiffness matrix: this time description is self-explanatory
- Time for solving stiffness matrix: this time description is self-explanatory
- Time for calculating displacements: this time description is self-explanatory
- Time for determining events:
- Time for updating state: At the updating state the program is internally analyzing the impact that the current load step has on each individual element such as their current nonlinear state and forces and updates them accordingly. To reduce this computation time you might consider removing unnecessary nonlinearity where you do not expect nonlinearity to occur; or if your model have nonlinear links or shell plasticity try reducing the number of point of the defined force-displacement or stress-strain curves.
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