Tousif Ahmed

9 Questions 21 Answers 0 Followers

Questions related from Tousif Ahmed

Is there any straight-forward relation between strain energy density and energy release rate for mode-I fracture?

Contemporary literature considers both strain energy density (SED), (area under the stress-strain curve), and critical energy release (ERR, Gc) rate as a measure of fracture toughness. However,...

27 November 2020 9,938 4 View

What are the implications of crack velocity in a quasi-static loading?

Hi, My studies mainly involve quasi-static fracture under uniaxial loading. I was wondering if any analysis of the crack velocity would impart any meaningful insight in my study? I am mainly...

08 August 2020 1,241 5 View

How to fit a generalized equation for multiple curves in matlab?

Hello all, I'm trying to find a fitted equation for the curves in the attached figure (except for the horizontal line). It is worth noting that all curves have their minimum at x=40. Is there...

22 August 2018 8,557 4 View

How to create a loft surface from multiple curves?

Hi, I want to create a loft surface by connecting the curves shown in the attached figure. Is there any way to do this in matlab? If not, which software would be best suited for this job? Thanks.

31 October 2017 7,906 7 View

Is it possible to apply uniaxial deformation in LAMMPS w/o using fix deform command?

I would like to deform the blue material along xx direction in LAMMPS. Due to the vacuum I cannot use fix deform command with periodic boundary conditions. Is there any alternative to do that? Thanks.

18 October 2017 2,527 10 View

How to select K-path for graphene?

I'm trying to generate the phononic band structure of graphene using GULP. The unit cell has two atoms. Is there anyone who can help me to select the correct k-path co-ordinates (gamma -> M...

24 June 2017 2,394 2 View

2-Body and 3-Body potential?

I am trying to dump 2Body and 3Body potential energy from a LAMMPS simulation. Is there any way to do it? I'm using Stillinger-Weber potential for the simulation. PS. ebond and eangle are not...

10 January 2017 7,523 2 View

Why am I getting this error in LAMMPS?

I'm trying to run a LAMMPS script on my PC which gives the following error: ERROR: Expected integer parameter in input script or data file (../dump_custom.cpp:1556) But, I tried to run the same...

03 December 2016 467 8 View

What types of heaters are suitable for mimicking heat generation from electronic chips?

Trying to mimic heat generation from tablet computers.

26 May 2015 939 4 View