Ehsan Ahmadi

3 Questions 4 Answers 0 Followers

Questions related from Ehsan Ahmadi

VUMAT for elastic-viscoplastic material model?

I'm trying to implement VUMAT subroutine in ABAQUS for polymeric sheet to capture hyperelastic-viscoplastic behavior of the material model, But I need help to know how to write viscoplastic vumat...

30 June 2023 2,769 3 View

How is the specimen preparation of TPU semicrystaline polymer to observe morghology via Optical Microscopy?

How is the specimen preparation of TPU semicrystalline polymer 2mm sheet to observe morphology via Optical Microscopy and via SEM? I have 2 mm sheet of TPU (thermoplastic polyurethane) and gonna...

12 August 2022 2,015 0 View

How to make thick thermoplastic polyurethane (TPU) sheet?

Hi everyone I need 3 mm thick TPU sheets to advance the PhD thesis. I tried very hard to produce them by hot pressing method. But it was a very difficult and time consuming process. Unfortunately,...

16 April 2022 9,892 7 View