**** safety small masses/rotary inertia to ensure that all nodes and
**** dofs have nonzero mass
*ELEMENT,TYPE=MASS,ELSET=SMALL_MASS
100000,6
100001,5
100002,7
100003,8
100004,3
100005,4
100006,1
100007,2
100008,9
100009,35
100010,21
100011,20
100012,36
100013,23
100014,22
*ELEMENT,TYPE=ROTARYI,ELSET=SMALL_ROTI
200000,6
200001,5
200002,7
200003,8
200004,3
200005,4
200006,1
200007,2
200008,9
200009,35
200010,21
200011,20
200012,36
200013,23
200014,22
*MASS,ELSET=SMALL_MASS
1E-9
*ROTARY INERTIA,ELSET=SMALL_ROTI
1E-9,1E-9,1E-9