Material models specify the type of material response to which you want to calibrate. Execution modes control what material behaviors are available.
About Material Models and Execution Modes Supported Built-In Material Models Specifying the Material Model in the Analytical Execution Mode Specifying the Material Model in the Numerical and FE Execution Modes Adjusting Advanced Solver Settings for the Numerical Execution Mode Specifying Creep Behavior Specifying Temperature Dependence for Material Parameters in a Material Calibration Rate-independent Elastic-Plastic Hardening Models for Monotonic Loading Saving Material Model Parameters to a Cache Importing Existing Material Data for Use as the Initial Parameter Values in a Calibration