How do I solve this numerical on Vacancy concentration?

07 August 2019 5,879 5 View

What is the physical meaning of "critical crack length"?

There are two equations that are primarily used in context of the facture stress one with sqrt(2 *gamma*E/a0) and the other with sqrt(2*gamma*E/pi*C).I do not understand which one to use while...

07 August 2019 2,471 4 View

What is the significance of h^2+k^2+l^2?

What is the significance of h^2+k^2+l^2 values in BCC and FCC?I have seen how h,k,l values are the ones which are relatable to the structure factor theorem and why all odd or all even and sum...

06 July 2019 4,508 4 View

Why are they applying the shell equation to find the desired objectives in a Stagnant Air film diffusion Problem?

I do not understand why the shell equation is being applied and most importantly there is nothing spherical here so why should the shell equation even be pondered about?Please refer to the...

06 July 2019 3,508 4 View

How are drawing common tangents to get diffusion different for concave and convex phase fields?

Whenever there is a concept of diffusion involved and we need to decipher what is going to happen we tend to draw common tangent s in the phase field diagrams and decide which direction the...

06 July 2019 9,575 1 View

What is the plastic deformation process and the related phenomena involved in FCC single crystal?

Please answer this in detail as much as possible.

06 July 2019 7,417 1 View

Does Ferrite and Austenite exist without any carbon soluble in it?

It seems that we have a perennial notion of relation Austentite and Ferrite in Fe-C phase diagram however we refer to them as gamma or alpha iron.Is having a minimal carbon content necessary for...

06 July 2019 1,298 8 View

How are the two Stacking Faults namely intrinsic(formed by vacancy agglomeration) and extrinsic(formed by interstitial agglomeration) different?

Stacking Faults and its association with partial dislocations seem to bother me day in and day out.With regard to this I do not understand how Partial dislocations lead to stacking faults and not...

06 July 2019 7,319 1 View

Why does carbon atoms occupy the octahedral void?

Why does carbon atoms occupy the octahedral void in BCC atoms even though they are smaller than the tetrahedral voids? If the reason is because of less distortion I would be very pleased to see...

06 July 2019 1,031 1 View

Is this legal in total differential?

In the given question is it not that the terms containing partial differential of pressure and temperature have switched the associations? Like dp should be in place of dT and dt should be in...

06 July 2019 7,471 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View