November 19, 2023 at 5:52 amAlex HorwegeSubscriber
I have been using Johnson Cook models in my impact analyses, and I wanted to try some other constitutive models. I am running into an error where the material models are not recognized, including the models that come built-in with ANSYS Workbench (STEEL V250 for example, with Steinberg-Guinan strength model and Mie-Gruneisen EOS).
How can I implement these models in LS-DYNA for ANSYS Workbench? Here is the error code from the Solver output below. It looks like it simply is not detecting the material model at all. I am currently using it with an SPH mesh, but I get the same error with other mesh methods too.
Beginning of keyword reader 11/17/23 17:55:35
*** Error 10157 (KEY+157)
MAT 2 is not found
*** Error 10304 (KEY+304)
CHECKING MATERIAL INPUT Part ID= 2
PART ID 2 with
SECTION ID 2 and
MATERIAL ID 2 does not exist.
This is PART 2 in the order of input.
*** Error 10133 (KEY+133)
input data failed with: 4 errors
E r r o r t e r m i n a t i o n 11/17/23 17:55:36
November 20, 2023 at 11:55 amRam GopisettiAnsys Employee
The closest match for such material in LS-Dyna is MAT_011,
You may want to check that material definition first, then use Command snippets under the scoped body.
Native implementation is not made yet.
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