Hassan Iftekhar

6 Questions 11 Answers 0 Followers

Questions related from Hassan Iftekhar

How to calculate young modulus of rubber as it has different stress at different strains?

I am familiar that young modulus is the value of stress/strain. But in some papers the stress values are reported at different strains. Like modulus at 300% modulus at 200%. Please guide what is...

13 September 2022 6,474 1 View

What material properties are required for drop weight analysis in ANSYS?

I want to do drop weight analysis on a composite material. As the material properties do not exist in the engineering materials. So I have to define a new material with experimental data. What...

22 May 2020 5,381 7 View

Impact absorption during bullet penetration test?

The toughness and resilience are calculated when tensile load is applied. Will a material absorb same energy when a impact load is applied such as bullet fired on the material front face? Which...

01 November 2019 5,059 2 View

Impact machine. Should accelerometer and load cell give same impact force value?

I am designing a helmet impact machine. Does the accelerometer placed inside helmet and load cell placed under anvil give the same peak force value?

12 October 2019 620 3 View

Which turbulence model is best to predict reattachment length of flow over a forward facing step?

I have few questions if any one can add to it: 1. I want to run a simulation with experiments done in free surface water tunnel. Which model you think can predict good reattachment length. 2. I am...

22 November 2015 1,149 34 View

Numerical modelling drop weight impact test

I require few tips regarding matching the numerical model of drop weight test with the experimentally obtained data. I will briefly discuss the drop weight model here. I have modeled a drop...

01 January 1970 8,769 3 View