research
UEL visualization and strain energy for UEL
I am only seeing a "x" for a UEL at its first node. And I dont see any other node of UEL. Is it correct or some problem is there?
I also want to calculate the strain energy for whole model(including UEL). But in history output I am only seeing strain energy of Abaqus defined elements under "whole model strain energy". Can some one please help me in calculating strain energy of whole model including UELs
Recent Publications
Analysis of beams and plates using shear lock free finite elements based on Timoshenko beam and Mindlin-Reissner plate theories
Simple finite elements based on Timoshenko beam and Mindlin plate theories have been developed for the analysis of thick and thin structures (beams and plates) using standard finite element procedure. These elements have 3 dof and a new concept, Convergence Factor, is introduced in the formuation to accelerate convergence keeping the number of elements constant. No shear correction factor is used and no shear lock problem is encountered.
Subramanian
Announcing the 2nd Sandia Fracture Challenge [click for more info]
UPDATE: The 2nd Sandia Fracture Challenge is now LIVE! See attached information packet.
Composite crushing + CZONE application
Hello,
I am modelling a crushing simulation of a composite corrugated coupon using Abaqus/Explicit and CZONE Abaqus' application.
I am modeling the coupon using S4R elements and the impactor as a discrete rigid shell plate with a slow constant crushing speed or high initial velocity for quasi-static and dynamic crushing simulations respectively.
I am using Hashin damage in Abaqus/Explicit and Hashin and also Tsai-Wu on CZONE application.
Polymer Oxidation SEM Test
Dear Researchers and Engineers,
I am looking for any indicator from SEM image to prove thermal oxidation Fiberglass/Epoxy or cured epoxy.
wave propogation in with non local deformation
I have a one dimensional bar with a triangular pulse given at one end for 2 microseconds. The boundary conditions are free-free.I am having two cases. One in which the deformation is local (Hooke's law) and other in which the deformation is dependent on a kernel of radius r (say 5* element length).I find that the wave speed is higher when the deformation is non-local as compared to local deformation case. Is this correct? Is there a way to verify the solution?
Beam to beam elements connectivity
Hello All,
Currently, I am trying to model a layered beam one on top of other. I started with 3 layers with leaving a small gap (0.01 mm) in between. I am interested in connecting the nodes of top layer (one line representing a beam) to the adjacent beam having same number of nodes through beam elements. To be more clear, merging nodes with same element type connectivity (beam to beam).
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