&title test of load members
&dimen -dimen meters m-tons
inmodel
&summary
   loadg matri attri ud_force
   beam load ud_force
   categ_sum
end
&instate -con 500
&apply @ 100. -force @ 100
&status -hard
&status force -hard
&status lgroup_mul -hard
&status lset_mul -hard
&status env
&status parms
&fini