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Define a concetrated force on a node

Define a concetrated force on a node

Define a concetrated force on a node

(OP)
Hellow . MY name is Simon . I am a new Abaqus user. I know to use better Femap.
I am trying a simple aplication In abaqus  but I have some problems.
We define a simple  3d rigid body and i want to define a concetrated force on a node.
I dont know how can i do that because i have tryed a lot of posibilities. For example I crate a datum point, i make them reference point .In part module i create a geometric  set with that point, and in loads we define a concetrated force using the geometric set .
The error is:Node set assembly_set-1 has no members and will be ignored. Nodes defined in this set may have been deleted because they were not connected to any elements.
   How can I concect this point to be part of the 3d solid body? or it is another way to define nodal force?
Please answered if you know give me complet answer with steps. Thanks  

RE: Define a concetrated force on a node

eh?
doubleclick loads -> concentrated force -> select your node
Alternatively make a part or assembly set, and press (when selecting node for concentrated force) 'sets' button in right bottom corner.

RE: Define a concetrated force on a node

(OP)
This is a picture with set define

RE: Define a concetrated force on a node

(OP)
Aha. I create that. But i still have one error ...It`s imposible i have 3 hours of practice and we dihttp://www.eng-tips.com/viewthread.cfm?qid=339484d nothing..Almost the same problem ...i don`t know why in geometry sets i can define node set , i have all the options but nodal set no



Error: There are 2 unconnected regions in the model.

Solver problem. Zero pivot when processing D.O.F. 2 of 1 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_2_1_1_1_1.

RE: Define a concetrated force on a node

hello,
you should constraint this point with surface when you want applicate the force...

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