hm_getcog

Returns the mass center-of-gravity coordinates for the selected entities.

Syntax

hm_getcog entity_type mark_id ?reserved_1? ?reserved_2? ?lumpedmassflag? ?system_id?

Type

HyperMesh Tcl Query Command

Description

Returns the mass center-of-gravity coordinates for the selected entities.

Inputs

entity_type
The type of entity to query. Currently supported for comps, elems, mats, props, parts, assems, plies and laminates.
mark_id
The ID of the mark containing the entities. Valid values are 1 and 2.
reserved_1
Reserved for future use. Must be set to 0.
reserved_2
Reserved for future use. Must be set to 0.
lumpedmassflag
Specifies whether to include lumped mass in the COG calculations.
0 - Exclude lumped mass.
1 - Include lumped mass.
system_id
The ID of the system to report the COG values relative to.

Example

To get the COG for components 1-5:

*createmark comps 1 1-5
hm_getcog comps 1

Errors

Incorrect usage results in a Tcl error. To detect errors, you can use the catch command:
if { [ catch {command_name...} ] } {
   # Handle error
}

Version History

11.0.101

2021.2 - Added new supported entity types mats, props, parts, assems, plies, and laminates.

2022.3 - Added new optional arguments lumpedmassflag and system_id.