*EXPA
r1
r11, r12
r21, r22
...
r1: r*8: Reference temperature
r11: r*8: Thermal expansion value at temperature r12
r21: r*8: Thermal expansion value at temperature r22
...
This card specifies the temperature dependent thermal linear coefficient of thermal expansion. Refer to the Units of Measure topic for questions about the units to use for this input.