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3D Plastic Beam

3D Plastic Beam

3D Plastic Beam

(OP)
Hi,
I want to model a 3D elasto-plastic beam and calculate the axial strains. The Beam4 is described as Elastic beam and Beam24 although named as Plastic, is for thin walled beam.

Please help me, which beam I should use. Because, with elasto-plastic properties and Beam4 element, the problem gets solved (but I am not sure, if it uses the defined data table) and I can only get the elastic strain from it (as defined in the element library).

Thanks!

RE: 3D Plastic Beam

BEAM188 or BEAM189

RE: 3D Plastic Beam

(OP)
Thank you very much!

Just one more thing.
I want to get the axial strains in the beam. It is written as EPELDIR in the output definitions. But, how can I get it, I am not being able to figure out. By using *get or ETABLE or by some GUI, please help me in this.

RE: 3D Plastic Beam

You could just "Query Results" if you're only interested in one or two values.  If you wish to write a macro of some sort you will need to use element tables or *get,,etab.  I think ETABLE is probably the easier route to go here.  Have you ever used element tables?  The documentation does a good job explaining them.  Read that and I'm sure if you have any specific questions the helpful folks here will be more than happy to assist.

RE: 3D Plastic Beam

(OP)
In "Query Results", there is no option for axial strain. However, I am able to use ETABLE. Thanks for the suggestion. Actually, I have to use it as

ETABLE,name_of_table,EPEL,DIR

Before, I was thinking that EPELDIR is one (as given in the manual) and was not able to use it.

Thank you very much!

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