Thermal and mechanical properties of concrete and steel after cooling?

How do the thermal conductivity, specific heat capacity, plastic strain, critical compressive displacement, and thermal expansion of both hot-rolled steel and concrete change after cooling based...

15 February 2021 1,385 5 View

Cross-sectional area and mesh sensitivity in lattice modeling of RC structural elements?

In lattice modeling of RC structures, what is the mathematical concept behind choosing the cross-sectional areas for the simulation of, for instance, beams? Besides, seemingly, simulating the...

26 January 2021 2,638 2 View

What is the best word embeddings method should I use?

Hi dears If I want to do supervised multi-classes classification of specific domain such as history, using one of the deep learning techniques. Which is the best word embeddings method should I...

22 January 2021 1,290 5 View

What is the best lighting design for conservation?

In the museums, the sensitive organic materials need to be displayed under 50 lux or less and aways from any UV or IR. LEDs still have a little amount of UV. What is the better option? Is it...

20 January 2021 5,965 3 View

Fracture energy of concrete at sub-zero temperatures?

Both tensile and compressive strengths of concrete increase with the decrease in temperature. With this in mind and considering that fracture energy is in direct correlation with the so-called...

18 January 2021 8,778 4 View

Is it useful in texts classification to use the keywords expansion method for long-text examples in the training process for deep learning classifier?

Hello, Is it useful in texts classification to use the keywords expansion method for "long-text examples" in the training process for deep learning classifiers? Will it increase the efficiency of...

16 January 2021 9,291 3 View

Why the fracture energy of concrete increases with the rise in temperature?

Given the degradation of mechanical properties in concrete under elevated temperature namely, tensile strength, modulus of elasticity, compressive strength, etc., what is the justification behind...

15 January 2021 3,651 4 View

Is It useful to use text Pre-processing techniques (Stop Words Removal, Stemming) in the sentiment analysis classification?

Hello, I read some papers they used Pre-processing steps with text that will classify based on Sentiment Analysis. My question is, can I use text Pre-processing techniques in the sentiment...

11 January 2021 5,932 7 View

Will increasing the number of synonyms in training set increase classifier efficiency?

Hello, If I increased the number of keywords (Features) of examples in training set pertaining to a particular class regarding to Sentiment Analysis Classification , will increase the efficiency...

11 January 2021 5,299 4 View

What is the best classifier of Deep Learning techniques in Text Classification?

Hello, I've read many review papers about which is the best classifier of Deep Learning in "text classification", some researchers prove that LSTM is the best, Some say CNN is the best, and some...

10 January 2021 909 12 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View