in the real world, everything is a solid
we use idealizations to reduce computation time and they are equivalently accurate if defined equivalently
i would recommend posting some examples and the theory you are comparing them to and any assumptions you feel you are making
look for the AFNOR guide, it has many examples of the different idealizations
credits:(image from SolidWorks Simulation 2010 Validation)
Throughout the simulation, I have tried change the beam as a solid type and beam type and comparing the results, and as per mention previous post, the result isn't the same. That put me in confusion for the usage of beam and solid type element.
By the way Jared, thanks for the reply and tips given, AFNOR really good resource of references.
i'm not sure i understand the question?