Experience on parallelization of virtualbox? Especially for running MC codes (eg GATE , FLUKA) which r LINUX-based but they need VB to be run on Win?

05 May 2018 0 3K Report

How to speed up the running of Monte Carlo codes when using virtual LINUX on WINDOWS.

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Are radiation shielding glasses too important to carry out numerous simulation studies?

Very many published papers exist on radiation shielding glasses, all with identical simulation techniques, performed with the MCNPX, FLUKA and GEANT4. I don't really realize if such extensive...

01 November 2023 4,426 6 View

Why CaCO3 Content higher in soil under rain-fed cultivation?

Is it logical to attribute an increase in % CaCO3 of soil under rain-fed agriculture (comparing to soil under native forest and soil under irrigated agriculture) to the spread of rocks on soil...

15 May 2019 8,411 3 View

Land use change effect on available Phosphorus?

I am doing a research to compare the effect of 3 land uses ( forest, irrigated crops and rainfed cereal crops) on available phosphorus (AP) and N_NO3 of alfisols and mollisols. for AV i found...

21 November 2017 7,963 4 View

What is SOM and clay% relation to soil available water ?

SOM increases available water capacity, also AWC increases with increasingly fine Stextured soil, because fine textured soils have a greater occurrence of small pores that hold water against free...

14 September 2017 6,311 5 View

The permittivity of Ag is characterized by the Drude model in Comsol Multiphysics

The permittivity of Ag is characterized by the Drude model: epsilon_{m}=epsilon_{infty}-omega_{p}^{2}/(omega^{2}+i*omega*gamma) epsilon_{infty}=3.7 omega_{p}=9.1 eV gamma=0.018 eV How can import...

11 August 2017 2,765 2 View

Anyone who can share SOURCES 4C code?

SOURCES 4C is a computer code that determines neutron production rates and spectra from (alpha,n) reactions.

26 July 2017 1,914 8 View

How-to Plot Transmission Spectra vs Wavelength in Comsol

How-to Plot Transmission Spectra vs Wavelength in the Comsol Multiphysics Software?

08 June 2017 2,647 3 View

Any interesting experience on the use of the MCNP Monte Carlo N-particle transport code at nanometric level?

Several simulation studies show that the MCNP code fails when dealing with detailed physics at nanometric level (e.g., when modeling B4C nanoparticles in neutron shielding materials).

04 May 2017 6,625 2 View

How can I determine the reaction rate of neutralization between acid and base?

HCL + NaOH

05 January 2017 9,655 13 View

Calculation of BF3 gas density when it is enriched 96% in B-10?

For two different conditions: (a) STP (Standard condition for Temperature and Pressure) and (b) T=300K and P=400torr

02 March 2016 4,983 2 View

What are the fundamental ideas of Monte Carlo dimensionality estimation, compared to Rasch residuals PCA?

I read an interesting article from Christensen (2007): A Monte Carlo approach to unidimensionality testing in polytomous rasch models. But do you have some further thoughts or maybe other...

08 August 2024 4,245 0 View

AUX gas reading problem on QE with full MS and PRM method in one run?

Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...

06 August 2024 4,953 0 View

"A Markov-like Model for Patient Progression"?

A Markov-like Model for Patient Progression" Markov Chain Monte Carlo (MCMC) Markov Chain Monte Carlo (MCMC) is a powerful computational technique used to draw samples from a probability...

05 August 2024 10,079 0 View

People weight in Oaxaca Blinder Decomposition on R?

Hello guys! Do you have experience running a Oaxaca-Blinder decomposition on R applying person weights. How do you suggest doing it? I have a variable PERWT which gives more information on how...

04 August 2024 6,033 0 View

How to perform EEG source analysis on each trial of data separately?

Hello Everyone I have a question about structure for connectivity analysis on sources. My goal: preprocess and cut data into trials create headmodels, using template MRI file perform source...

30 July 2024 2,744 1 View

How to add Cr parameter in autodock?

When I run autogrid4 it says: autogrid4: ERROR: Unknown receptor type: "Cr" -- Add parameters for it to the parameter library first! Look forward to your reply.Thank you so much!

29 July 2024 488 0 View

Why running a restart analysis in Abaqus in Ubuntu OS gives an error as attached when running the same job in Windows doesn't give any error and runs?

I am trying to run a restart analysis, which imports deformed configurations of parts from a generated ODB file. It runs fine in Windows OS but when I try to run it in Linux OS, it is giving some...

29 July 2024 9,572 3 View

How to use Desmond in HPC ?

Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...

28 July 2024 6,553 1 View

How do I run a dead well test for a QuantStudio 5 qPCR machine?

I am preparing to run a lot of samples on a 384 well plate and I wanted to test if any well in my PCR machine is dead so as not to lose any data. I would really appreciate help with how I can do...

24 July 2024 8,172 1 View

VECM Model: Positive/insignificant CointEq1 ?

Hello everyone, I am conducting

22 July 2024 8,085 11 View