1) I am going to measure the mechanical displacements caused by the electrical load (constant electrical voltage) in a cantilever laminate with incorporated piezoelectric actuator patches polarized through thickness (Z direction). I considered the laminate thin, taking into account the plane stress rather than the plane strain. I assigned shell section to both laminate and piezoelectric patches in ABAQUS section assignment. Considering through-thickness polarization, I selected e311 and e322 in ABAQUS material assignment section. is my selection correct or I should choose plane strain with d311 and d322?
2) In ABAQUS load assignment module/electrical loads tap, there are three options including a)point charge, b) surface charge, c) body charge. I selected body charge and entered the magnitude of constant applied electrical voltage in the related body charge window. is my selection correct or I should consider other options? In my explicit analytical modelling, I didn't face such problem before.
3) In ABAQUS mesh module/element control section, I assigned ABAQUS standard element-C3D20E to the piezoelectric actuator patches and shell element to the laminate. Should I change my selection? Should I choose the same element type for both laminate and piezoelectric patches?
Thank you so much for your time and consideration.
Good afternoon,
I think, if the external load is constant electrical voltage, it is better to apply a electric potential in BC. It is simmilar to electrods.
Is it a 3D or 2D problem? Perhaps it is better to slove this problem in 2D?
Soheil
Although you may already get it works, I think you needed to apply surface potential instead of body charge. am I right?
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