*node,nset=mid
*element,type=z1,file=speaker,elset=z1
*substructure property,elset=z1
*boundary
mid,1,3
**------------------------------------------------
*step, name=coupled-frequency
*frequency,eigensolver=lanczos,norm=mass
 , ,800., -1.
*output,field,freq=0
*end step
**------------------------------------------------
*step,name=ssd-direct
*steady state dynamics, direct, frequency scale=linear,interval=range
300,400,50,1
*sload
10001,load1083,1.0
*output, field,freq=0
*output, history
*node output,nset=mid
rf1, rf2, rf3
*end step
*step,name=ssd-subspace
*steady state dynamics, subspace, frequency scale=linear,interval=range
300,400,50,1
*sload
10001,load1083,1.0
*output, field,freq=0
*output, history
*node output,nset=mid
rf1, rf2, rf3
*end step