How to calculate the number of packets sent to or forwarded by a node in RPL protocol of ContikiOS?

Hi everyone, I'm trying to embed SecTrust into RPL routing protocol of ContikiOS, specifically to replicate the work of this paper: " SecTrust -RPL: A secure trust-aware RPL routing protocol...

03 July 2020 2,232 1 View

How can I extract dsRNA from Agarose Gel?

I need to a manual protocol for extraction dsRNA from Agarose gel. best regard

19 May 2020 5,975 3 View

In a hand-made vacuum oven with PID controller and SSR, there is a high overshoot (about 30 C), what can I do?

I have built a vacuum oven with Autonics TZN4L-14S PID controller and SSR (SRH1 30A) as a transmitter but due to its perfect insulation, if there is a slight overshoot, its temperature won't drop....

05 November 2016 2,356 7 View

Among different NEMD and EMD methods, which one is the best to measure viscosity of an aqueous solution using Molecular Dynamic simulation?

20 July 2016 4,674 7 View

How do I calculate residue residue distance between two series of aminoacid?

Hello, all. I want to calculate distances between two groups of aminoacids in gromacs (residue residue distance ). I can't use g_dist or gmx distance, because I don't want calculate the distances...

15 November 2015 1,561 6 View

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11 September 2014 2,501 1 View

What are some best practices/competent authority guidnaces for health hazards evaluation for medicinal drugs (not devices)?

Appreciate any information, as I am working on process improvement currently in place. Regards Rana

01 January 1970 7,841 4 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

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

Joint behaviour in Abaqus is not captured well?

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

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 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