Natural frequencies

$u=v=w=\varphi_x=\varphi_y=\varphi_z=0$ at node 1

The computation is executed with the following commands:

beam53d1.bat

rmd3 beam53d1.i1
rpd3 beam53d1.i2
srh3 beam53d1.i3
fefs beam53d1.i4
hmot beam53d1.iM
heig beam53d1.iE
hfrq beam53d1.iF

beam53d1.i1

;  NELEM NNOD ITED
IP   4     5   53
;  CRIT SCALE ...
RP 1.01   1   8*0
 ; default values of cross-sectional characteristics
 ; A    Ik              Wk                Ieta
   2e-4 6.6666666666e-9 6.666666666666e-7 1.66666666666e-9
 ; Weta             Izeta               Wzeta              Px Py Pz
   3.33333333333e-7 6.66666666666666e-9 6.666666666666e-7  0  1  0
XY N 1:5 X 5*0:1 Y 5*0 Z 5*0
EL E 1:4 N 1 2  2 3  3 4  4 5
EN
EN

beam53d1.i2

;  KREST
IP   1
         ; E    α ν   ρ
MP 1 T 1 V 2e11 0 0.3 7800
AS 1 /M 1 /B 0 N 1
EN
EN

beam53d1.i3

;  KREST
IP   1
EN
EN

beam53d1.i4

;  KREST
IP   1
EN
EN

beam53d1.iM

;  KDIAG KPRIN
IP   1     0
EN
EN

beam53d1.iE

;  KREST NROOT NITERX KTPR KEVP
IP   1     10     0     0    0
EN
EN

beam53d1.iF

;  KPRIN KOUT IVL IVU
IP   0     0   0   0
EN
EN

beam53d1.oF

;  KPRIN KOUT IVL IVU                                                           
IP   0     0   0   0                                                            
EN                                                                              
EN                                                                              


                              FREQUENCIES [1/s]
  0.818017E+01  0.163603E+02  0.513223E+02  0.102645E+03  0.144648E+03
  0.285359E+03  0.289296E+03  0.530754E+03  0.570718E+03  0.706729E+03

                                * END OF HFRQ *
 TOTAL CPU: 00:00:00