NSM
Bulk Data Entry Defines non-structural mass per unit Length, per unit Area, or per unit Volume for a list of elements or properties.
Format
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| NSM | SID | TYPE | ID | VALUE | ID | VALUE | ID | VALUE | |
| + | ID | VALUE | etc. | etc. | etc. | etc. | etc. | etc. |
Example 1
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| NSM | 4 | PSHELL | 155 | 0.06 |
Example 2
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| NSM | 6 | ELEMENT | 12 | 0.03 | 13 | 0.06 | 14 | 0.03 | |
| + | 18 | 0.02 | 36 | 0.03 |
Definitions
| Field | Contents | SI Unit Example |
|---|---|---|
| SID | Non-structural mass set
identification number. No default (Integer > 0) |
|
| TYPE | This can be one of the
properties PSOLID, PSHELL,
PCOMP, PBAR,
PBARL, PBEAM,
PBEAML, PROD,
CONROD, PSHEAR, or
PTUBE, in which case the list of IDs will
refer to properties of the stated type, or it can be
ELEMENT, in which case the list is of
individual element IDs of elements that can have
NSM. It can also be of type
ELSET, in which case, it is an element SET
ID. No default |
|
| ID | Property ID, Element ID,
or Element Set ID depending on the TYPE
definition. No default (Integer > 0) |
|
| VALUE | Non-structural mass per
unit Length (1D elements), per unit Area (2D elements), or per unit
Volume (3D elements). No default (Real) |
Comments
- Refer to Non-structural Mass in the User Guide for more information on the use of this card.
- Non-structural mass in this format must be selected by the NSM Subcase Information selector.
- The value of the non-structural mass does not change during Topology Optimization.
- The NSM field is not available on the PSOLID Bulk Data Entry (whereas, NSM field is available on PSHELL entry).