Example of inp file created by function printInp2d (when opt.mode = 1)
https://github.com/mjx888/writeMesh
*Heading
*Preprint, echo=NO, model=NO, history=NO, contact=NO
** INP file
generated by Im2mesh package
**
*Node
1,0.50000000,0.50000000
2,0.50000000,3.50000000
3,3.50000000,0.50000000
4,3.50000000,3.50000000
5,6.50000000,0.50000000
6,6.50000000,3.50000000
**
*Element, type=CPS3, elset=Set-A
1,1,3,2
4,2,3,4
**
*Element, type=CPS3, elset=Set-B
2,3,5,4
3,6,4,5
**
** Section: Section-A
*Solid Section, elset=Set-A, material=Material-A
,
** Section: Section-B
*Solid Section, elset=Set-B, material=Material-B
,
**
*Nset, nset=Set-Xmin
1, 2
**
*Nset, nset=Set-Xmax
5, 6
**
*Nset, nset=Set-Ymin
1, 3, 5
**
*Nset, nset=Set-Ymax
2, 4, 6
**
*Nset, nset=Set-Xmin-A
1, 2
**
*Nset, nset=Set-Xmax-B
5, 6
**
*Nset, nset=Set-Ymin-A
1, 3
*Nset, nset=Set-Ymin-B
3, 5
**
*Nset, nset=Set-Ymax-A
2, 4
*Nset, nset=Set-Ymax-B
4, 6
**
*Nset, nset=Set-Interf-AB
3, 4
**