# OOF: Finite Element Analysis of Microstructures

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##
Main *OOF* Menu variables

**deltaT**- The value of the uniform superheating and the term which
is multiplied by the thermal expansion coefficients to get
a thermal strain.
A
*deltaT*of zero is the stress-free strain state. Default: 0. **fictiveT**- Some element types have a stress-free strain that is independent of
the temperature
*deltaT*. Those elements use the fictive temperature*fictiveT*instead. Default: 0. **maxiter**- The maximum number of iterations which will be performed
by a single equilibration step.
Control is returned to the menu when the number of iterations
exceeds
**maxiter**, whether convergence has been attained or not. See Section 3.1.2. Default: 1000. **tolerance**- The tolerance of the iterative method used to find the solution.
See Section 3.1.2 for details.
Default: 1.0e-05.
**globalK**- A boolean (true/false) variable indicating whether a global stiffness
matrix should be calculated (speeding up calculation,
but taking up memory) or not. See Section 3.1.2 for details.
Default: true.
**preconditioner**- Set the preconditioner used during equilibration.
Section 3.1.2 discusses what the preconditioner does
and what the options are. Default: ILU.
**verbose**- A boolean variable governing how much excess verbiage
*OOF*spits out. Default: true. **seed**- The initializer for the random number generator used in various
places (
*e.g*,*/modify/select/swisscheese*.) default: 17.

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