Learning Forum

[rdw22]

I am using Autodyn to simulate hypervelocity impacts and retrieve pressure and temperature data for the materials involved. The models are run with the Lagrangian solver on all parts. However, after running the models, I am able to retrieve pressure data from the gauges but not temperature data, despite it being selected as one of the gauge variables. When looking at the plots, all that appears is a flat line for temperature across time. Does anyone know why this might be? Is this related to the setup of the model in some way, or could this be a limitation of the student version?

[Chris Quan]

Please check material data in your model. Make sure Specific Heat is added to material property and is properly defined.

Specific heat is the quantity of heat required to raise the temperature of a unit of mass by one degree of K. 

If specific heat is zero, material temperature won't change.

If the material model you used doesn't allow to use Specific Heat, you need to consider changing the material model if material temperature change is the focus of your study.