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Questions related from Chase Mortensen
I am having trouble with penetration between my corrugated core and rigid platen. My model is simulating a quasi-static compression. the top platen compresses and the bottom is fixed. As shown in...
24 August 2023 710 4 View
In Ls-Dyna I am simulating low velocity impact on flax composite plate and I am using MAT55. One of the downsides of using this material card is the unrealistic stiffness. Under *Control_Shell I...
19 April 2023 8,472 0 View
I am applying a zero thickness cohesive between two plates. The cohesive uses section solid with #19. I apply composite MAT 58 (laminated composite) to the solid plate. I get the error of "The...
28 March 2023 7,699 0 View
I am having trouble with my model deleting so many elements that should not be deleted. I have an 8-ply composite MAT_58 (Shell) and has an Automatic_One_Way_Surface_To_Surface_Tiebreak. The...
27 February 2023 8,023 0 View
Does anyone have any good resources that discusses how to apply user define material in LS-Dyna. I am not sure how to do this and I am needing to apply user defined composite material properties.
06 February 2023 1,537 1 View
I have two identical models. The only difference between the models is the mesh size. As the ball impacts the model with the finer mesh, the ball penetrates. This is what is suppose to happen....
30 January 2023 7,369 1 View
In abaqus, you are able to define the shell offset or the direction the thickness will extrude. How can I control which way the program defines the shell thickness for a 4N shell shape? Is it...
01 December 2022 2,089 0 View
As you can see in the picture, my mesh is no symmetric. How do I achieve a symmetric shell mesh?
01 December 2022 8,755 0 View
Has anyone seen this contact error before? I am having trouble understanding why the top plate is penetrating the core. The plate and the core are one part. I use power law plasticity for the...
22 November 2022 3,381 3 View
