I am looking for the state-space model of the reduced order model of the IEEE 16-machine 68-node system?

I am looking for the state-space model of the reduced order model of the IEEE 16-machine 68-node system (reduced order model of the New England/New York interconnected system), please see the...

02 March 2018 8,810 2 View

What is the approximate storage capacity available in the world?

If we consider all chargeable devices, that ranges from mobile phones, laptops, electric vehicles, medium storage (example. fly wheel), large storage (hydro storage + compressed air), etc. What is...

02 March 2018 6,323 5 View

How to represent 3D and 4D data in Matlab?

I have two functions; the first is Z=f(x1,x2,x3), and W=f(x1,x2,x3,x4), where x1,x2, x3, and x4 are vectors. Z is three dimension matrix and W is four dimension matrix, what are the possible ways...

01 February 2018 8,108 2 View

What are the fastest IEEE Transactions or high impact factor journals specialized in power and energy?

I would like to know what are the high impact factor journals specialized in the power and energy systems and have very short processing time.

31 December 2017 7,748 14 View

Is the technology destroying our innovation?

When you read an article which was written in 1980s or even in the early 1990s, you usually found that the authors cite no more than 10 references (sometimes no references at all). In 2017 when...

10 November 2017 3,007 18 View

What is the percentage of the DC electric loads?

The number of consumer electronics has increased considerably specially in residential buildings, I would like to know What is the percentage of the DC electric loads? or any research papers...

09 October 2017 9,575 8 View

How could the independent researchers pay for conference and journal fees?

Journal fees.

08 September 2017 8,877 26 View

When writing a book which is preferable?

When writing a book which is better: (1) Write and finish your book completely then submit it to a publisher, or (2) Write the summary and the chapters contents then look for a publisher?

08 September 2017 4,675 5 View

How to make an extensive literature review?

In order to do a good research you must know deeply what have been done in a specific research area. For example in electrical engineering you have to search in IEEE, Science direct and Google....

08 September 2017 5,625 5 View

Is the time really an independent variable?

In all our systems in engineering and science we represent the time as our independent variable, that is x(t). Then we use the great theorems of Lapalace, Fourier, and Lyapunov to analyze and...

08 September 2017 4,737 94 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 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

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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View