Solar energy production forecasting ?

Hello everyone! I am interested in the topic of solar energy production forecasting for a ground-mounted PV system of more than 100MW capacity. Can anyone please suggest what are the main data...

08 February 2021 6,834 5 View

Why AC cables are always covered with the sand first and then covered with soil in solar park ?

I was curious to know why we only use sand for covering the AC cables inside the trenches and instead of having good isolation why these cables are covered. Why is there a problem in the trenches...

13 January 2021 6,008 3 View

Error encountered in executing MCE ?

In Terrset, an error encountered in executing Spatial Decision Modeller (MCE). During execution or run the MCE a massage come on the screen that reflects "Your columns and rows are not same" , I...

07 December 2020 1,542 1 View

How to do extract Urban Heat Island separately from LANDSAT image for each land classes?

I have already been read many articles and found some methods but those are not cleared to me. Can you please suggest me how to generate different LST map of each land classes using ArcGIS? Or...

25 October 2020 5,978 5 View

Can someone advise me to do Rietveld Refinement of the material whose Crystallographic Information Framework (CIF) file is not available?

10 October 2020 7,411 9 View

Recombination in Light emitting diode?

Why does recombination release light? It's one thing to say, 'and when the electron drops down it releases light', but it would be another level to explain how an electron dropping down creates...

28 July 2020 2,360 4 View

Has this COVID19 pandemic affected the renewable energy sector ? If yes can we analyse this affects with the help of data science and how ?

As the pandemic has affected each and every sector of the market, so my question is how big it has affected the renewable energy sector. If it has affected then can we have the specific results...

25 May 2020 6,643 7 View

No title

1. Why both models ("cv_mars" and "mars1") produced the same results? What is missing here? Even used another hyper_grid as Please click here https://stackoverflow.com/q/61216514/12675265

27 April 2020 3,876 1 View

How to conduct Monte Carlo uncertainty analysis for actual and predicted data in R ??????

I would like to conduct Monte Carlo uncertainty analysis for actual and predicted data in R; Kindly share some effective resources; However, I have this where understanding the hyperparameters...

08 April 2020 458 2 View

Which model can be used for a mix of I(1) and I(2)?

Dear members, I have a set of five time series. Two of them including dependent variable are I(2) and rest are I(1). Suggest me which time series modelling can be applied in this case? Thank you...

25 January 2020 2,780 3 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

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

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

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View