Hexagonally CNT packed?

Dear all, Does anybody simulate the hexagonally packed CNT with lammps? I want to study about water permeation through these membrane. please introduce me some papers. thanks

04 May 2019 8,502 6 View

Hydrodynamic equation for pipes junction?

Dear all, I want to know about the hydrodynamic equations for junction of pipes with non-uniform cross section. how about the Hagen-poisueille equation for these type of junctions? how could...

04 May 2019 5,741 6 View

Problem with fix/chunk and bin/cylinder for plotting radial velocity profile?

Dear all, I want to have the velocity profile in the radial direction. I use compute chunk/atom bin/cylinder and fix chunk. but in the output , it gives me the wrong bins for radius and so zero...

10 November 2018 3,187 0 View

How to create a pore in a BN sheet?

Dear users, I simulate a boron nitride sheet and want to create a pore in this sheet. my problem is that when i create such a pore, the script gives me the error about the net charge. because...

09 October 2016 2,827 4 View

Simulating SiCNT OR BNNT?

Dear users; I want to simulate SiCNT or BNNT, but I have some problems! could anybody help me? is there a script or program or software that simulate this nanotubes before? please itroduce me...

04 May 2016 3,270 2 View

What is the relation between wetting and friction in the nanoscale?

Dear all, I want to do a research on the transport of fluids in carbon nanotubes and investigate the relation between fluid-solid friction and wetting. any paper or books in this field would be...

02 March 2016 517 1 View

How to choose the appropriate correlation parameters for calculating auto correlation function in LAMMPS?

01 February 2016 5,891 4 View

How to put water molecules with the constant density in a carbon nanotube?

Dear all, I want to calculate the density of water in cnt at 300 K and 1 atm (cnt connected to the two reservoirs of water). then as in the papers said i want to simulate a single cnt and filled...

01 February 2016 5,720 1 View

How can I calculate the Liquid/Solid friction coefficient in lammps?

Dear all, I want to calculate friction coefficient of water in cnt using Green-Kubo relation. it uses the friction force autocorrelation function, but i don't know how to define force for it....

11 December 2015 5,851 3 View

Has anyone worked on predicting the friction coefficient of water in carbon nanotubes using LAMMPS?

11 December 2015 3,501 2 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

Anyone with some Transgenomic Wavemaker software? Seeking help from the chromatography community?

I am trying to seek out some Transgenomic Wavemaker software (happy to purchase a computer too) to operate a fraction collector. The only way to connect to the fraction collector so far is to...

23 February 2021 9,181 1 View

How to validate regridding results of environemental data to higher spatial resolution in R?

I am working with several continous, environmental marine datasets at varying original spatial resolutions. My aim is to regrid each dataset to one common, high resolution grid. I am currently...

22 February 2021 2,290 2 View

The Role of Town Planners in CAV Use?

Colleagues and I are about to begin a project investigating the role of town planners and local authorities in establishing the introduction of connected and autonomous vehicles (CAVs). What...

21 February 2021 2,247 3 View

How can I measure the surface interaction or surface interfacial chemistry between polishing abrasives and upper surface of substrate ?

I am working on polishing abrasives. I need to do few characterizations ? which can provide the on time surface chemistry of substrate with polishing abrasive during optical polishing. I would...

18 February 2021 5,319 3 View

How to get rough estimation of the concentrations of Oxygen and moisture inside the glove box?

Dear colleagues, I was just wondering if you can suggest a good method to get a rough estimation to the concentration of O2 and H2O inside the glove box as unfortunately, our glove box doesn't...

17 February 2021 1,012 3 View

Assistance in finalizing and publishing an article on human resource management in forestry?

Dear colleagues! We have prepared an article on the current status of human resources potential of municipal state forest management institutions of Kazakhstan. Since this is my first experience...

16 February 2021 8,611 3 View

Pile-Raft connection?

Greetings, I was wondering what is the optimal way to connect the reinforcement at the top of the pile (the part that connects to the raft foundation): -The pile bars are left straight and...

16 February 2021 2,007 3 View