RAM | STAAD | ADINA - How to extract Member End Forces (Global and Local) for specific Member Group using OpenSTAAD (VBA a


	Applies To

	Product(s):	STAAD.Pro
	Version(s):	All
	Environment:	N/A
	Area:	OpenSTAAD
	Subarea:	Analysis Result, Output
	Original Author:	Bentley Technical Support Group, Shreyanka Bhattacharjee

Problem Description:

How to extract Member End Forces (Global and Local) for specific Member Group using OpenSTAAD (VBA and python)

Solution:

GetMemberEndForces is used to extract the member end forces for specific load case.
GetGroupEntityCountis used to get total number of entities in certain group
GetGroupEntities is used to get all entities in that group

Parameter for function GetGroupEntityCount:

[Input] GroupName: Group string name

[Return Value] GroupEntityCount: The total number of entities in specified group

Parameter for function GetGroupEntities:

[Input] GroupName: Group string name

[Output] EntityList: Entity number ID(s)

Parameter for function GetMemberEndForces:

[Input] Member: Member number ID.

[Input] nEnd: Member End (0 for starting and 1 for ending).

[Input] LCase: Load Case reference ID.

[Output] eForce: Force of Member End in LOCAL coordinates in terms of FX, FY, FZ, MX, MY and MZ (in order).

[Input] LoctoGlb: Local Or Global direction.

Sample VBA Syntax:

Python script:

STAAD file: