To estimate the parameter by maximum likelihood or any other software
I was wondering: in common DFT (or Hartree-Fock) algorithms/codes, and in particular in solving the Roothan equation, what is the most computationally expensive part: 1- evaluate all the terms of...
01 February 2021 396 2 View
I am looking for a simulator to IOT device authentication based on blockchain without using physical device
01 February 2021 167 3 View
Dear colleagues, I am new to R, I have been using Amos for conducting CFA but came to learn that when dealing with Likert scale, Lavaan in R is a better tool to do such analysis. I started using...
30 December 2020 5,608 3 View
i prepare protein nanoparticles. in one of my synthesis i use trifle amount of crosslinker and the nanoparticles stick in the bottom of plate. how can i understand that nanoparticles become...
03 December 2020 559 8 View
During a severe accident in a nuclear reactor an energetic molten fuel/coolant interaction could happen, where a multiphase flow of a steam-water mixture in a region which contain drops of a...
29 November 2020 8,376 2 View
I started by a model using 3D PLAXIS to study the effect of deep excavations on existing buildings. The building was simulated as a surface plate with a surface load. Now I'm trying to do it as a...
29 November 2020 3,198 4 View
I want to apply different forces for every node. These force values are saved in .txt or .csv file. Can anybody help me to do that using APDL command. I attached Ansys input file for my model and...
15 November 2020 2,883 1 View
I would like to find off target sites for my sgRNA, however the more commonly used off target finders do not include apis meliifera, is there an application or website that would allow me to do...
09 November 2020 3,463 1 View
Powder insoluble
08 November 2020 509 3 View
All input files with bravais lattice that contains an angle doesnt run in my Quantum espresso. i even tried running them in my friends laptop but the crash file displays the same problem. i hope...
03 November 2020 2,722 1 View
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
Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...
02 March 2021 2,431 3 View
Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...
02 March 2021 4,910 3 View
Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...
01 March 2021 9,537 2 View
I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...
01 March 2021 6,661 3 View
Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...
01 March 2021 8,747 4 View
I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....
01 March 2021 3,325 2 View