A set of arguments are required as part of the COHAN command.
The Simulation Composite Analysis User-Defined Material Subroutine uses these arguments to determine the precise form of multiscale constitutive relations that should be used for the cohesive material. For any type of Simulation Composite Analysis cohesive material, the number of arguments must be between 10 and 13. The table below provides a short description of the feature controlled by each of the possible arguments along with the allowable range of values for each argument.
Appendices B.1 - B.6 explain the arguments in more detail. For a theoretical discussion of the cohesive material constitutive laws used in Simulation Composite Analysis please see the Theory Manual.
User Material Constants for Cohesive Materials
