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Ansys Learning Forum › Forums › Discuss Simulation › LS Dyna › Wave propagation in composites › Reply To: Wave propagation in composites

July 17, 2023 at 11:12 pm
Jim Day
Ansys Employee
As an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal. This should constitute an isotropic material. If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model. I hope that makes sense.