Aleksandr Elkin

6 Questions 14 Answers 0 Followers

Questions related from Aleksandr Elkin

Convergence problem with NLGEOM in ABAQUS for rubber type materials . How to overcome this?

There is a sealing with a rubber core and a polymer shell. The sealing is positioned into a groove and then is subjected to pressure from a one side. I've built a 2D model with plain strain...

27 February 2024 4,562 9 View

How to increase number of step increments in ABAQUS standard?

The problem is that the ABAQUS has limit number of 10e7 (one billion) for number of time increments. Is any way to use more than one billion? I need it for fatigue analysis. Thank you.

14 May 2022 8,450 2 View

How to obtain fatigue cycle number or totaltime in umat abaqus?

Hello Abaqus users, I'm writing UMAT for a fatigue analysis. I use direct cyclic step for calulations. My mat.properties depend on N cycles or total time. Do you know how to define the total time...

26 April 2022 7,164 6 View

Why does the porosity of cold sprayed coatings increase when the gas temperature rises?

For Aluminum cold-sprayed coatings was found that increasing the gas temperature improves DE and ascent the coating porosity. Are there any ideas or research on this topic available? I would be...

21 October 2021 3,833 9 View

How to measure the flow velocity of the air (Cold-spray process) without specific equipment?

I'm planning to build a DIY pitot tube to measure the outlet flow velocity of the cold spray gun nozzle. I'm thinking to use a syringe needle (for total pressure) and two pressure sensors. I'm...

03 September 2021 8,597 3 View

How to make a cohesive contact after impact in ABAQUS Explicit?

My goal is to simulate the cold-spray process. The problem is that I don't know how to apply cohesive behavior between a droplet and a substrate. My drop just rebound from the substrate; see the...

23 August 2021 6,011 6 View