possible bugs in *Equation and remove (Beam element)

[xyont]

hi,

reading of documentation, there’s an option to remove in specific nodes by Equation. However, the behavior of the solver shown unexpected, it seems nodes and dof’s been defined are in expanded ones. This problem does not occur when node is separated and connecting by Equation.

is this problem such as bug or currently limitation? hopefully, fix or improvement is available in the next or future versions of CalculiX.

regards,

**
** Structure: beam fixed both end, two element, hinged at spans
** Test objective: B32R elements.
**         possible bugs in *Rquation and remove
**
*NODE,NSET=Nall
1, 0, 0, 0
2, 0, 0, 25
3, 0, 0, 50
4, 0, 0, 75
5, 0, 0, 100
*ELEMENT,TYPE=B32R,ELSET=EAll
1,1,2,3
2,3,4,5
*BOUNDARY
1,1,6
5,1,6
*MATERIAL,NAME=ALUM
*ELASTIC
1E7,.3
*DENSITY
2.7E-9
*BEAM SECTION,ELSET=EAll,MATERIAL=ALUM,SECTION=RECT
5.,10.
1.d0,0.d0,0.d0
*Equation, Remove
3,4,6
*STEP
*STATIC,SOLVER=SPOOLES
*DLOAD
Eall,GRAV,9810.,0.,-1.,0.
*El File,Output=3D
S,E
*Node File
U
*End Step

[xyont]

i miss to interpreted above sentences. It’s a specific to Remove All options. This is not a bug or limitation, and removing some dof’s at specific node in continuous mesh is not possible. Only can do by separated nodes and connecting with MPC