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

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

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How to correctly choose the number of solution intervals when preforming harmonic analysis in ANSYS?

Good day, I design the rail-wheel geometry and the harmonic frequency ranges between 20-10kHz with 500Hz solution intervals and the results makes sense. Most of the time on the related literatures...

19 February 2021 3,190 3 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View

Does learning mathematics exclusively improve cognitive abilities?

Teaching Mathematics at school to all students is commonly justified by the opinion that it improves their problem-solving skills and "makes them smarter" (whichever measure is implied by this). I...

15 February 2021 7,391 7 View

Can we help fellow mathematicians get free ?

https://terrytao.wordpress.com/2021/02/08/a-statement-from-mathematics-department-faculty-at-stanford-and-mit/ Terry Tao blogged about this unfortunate event. Kindly share among Mathematical...

08 February 2021 1,055 3 View

Theoretical computer virology ? is still alive ?

HI Everyone! I am asking to know by you, expert in cybersecurity and mathematics, if Computer virology (the one of Cohen and Andler) is still an active field of research. That research made in...

08 February 2021 7,613 6 View