The following files are used in this problem:
spinal_spacer_input.dat -- Input for the spinal space portion of the analysis.
spacer.db -- Database file containing the spinal spacer model.
actuator_beam_input.dat -- Input file for the spring actuator portion of the analysis (using beam elements).
td-40b.cdb -- Common database file containing the spring actuator model (using beam elements).
actuator_solid_input.dat -- Input file for the spring actuator portion of the analysis (using solid elements).
td-40c.cdb -- Common database file containing the spring actuator model (using solid elements).
. . .