Where Can I Get Hourly Wind Speed Data at 50 Meters Height?

Hi, I want to get three years of hourly wind speed data at 50 meters height for specific locations in Turkey. Unfortunately, I couldn't find any good websites for this. Do you know any online...

12 December 2020 323 10 View

Site directed mutagenesis, successful PCR but no colonies. Suggestions?

Hi. I am trying site directed mutagenesis (deletion and insertion together in the same site) but so far couldn't get colonies. My plasmid is ~13kb and I will delete ~30bp and insert similar size...

23 November 2020 6,466 8 View

How to generate repetitive solution domains in COMSOL?

I try to model a diffusion process in a channel with cross-flow tubes in 3D. Since it is 3D and there are so many cross-tubes, it requires a huge computational cost. That is why I want to solve...

13 November 2020 5,238 3 View

Thoughts on countering the use of social media by Right Wing Extremists?

What are the best practices based on the available DATA to counter the spread of misinformation and right-wing ideologies over social media?

18 October 2020 226 1 View

How to increase the water solubility of zinc in phosphate containing zinc fertilizers?

We use zinc salts that dissolve well in water such as zinc sulphate monohydrate in the production of compound fertilizers. Although we lower the pH, the solubility of zinc salt, which has a very...

16 August 2020 5,034 3 View

How can I make a cyclic voltammogram?

I have a research about cyclic voltammetry.And I have a potentiostat circuit which I built.But I cant built to voltammogram with any equipments such as oscilloscope,voltmeter or any program on...

26 July 2020 7,650 2 View

Is it sufficient that the inter-item correlation score are between .17 to .28 for 2 item-scales?

In my research, several variables consist of 2 items. For example, one is named as "screen time". the items are: 1) "On a normal weekday during term time, how many hours do you spend watching...

12 July 2020 9,802 3 View

What do you think is the most important element of educational activities?

What do you think is the most important element of educational activities? A teacher, a student, a program, equipment or family? Thank you for your answers Best wishes Dr. Ahmet Aykan

30 March 2020 8,521 14 View

What is the difference between a case study and action research in Educational research?

What are the main differences between case study and action research in qualitative research? I want to learn your opinion on this subject.

29 January 2020 6,297 12 View

Can I continue ARIMA model despite my time series has heteroscedasticity ?

04 August 2019 3,314 6 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

fatal error

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

fatal error

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

fatal error

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

fatal error

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

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

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