How to Determine the Diffusion Coefficient, D28, of Concrete?

In order to design mix proportions for an extremely durable concrete with an expected service life of 300 years, the diffusion coefficient of concrete at 28 days (D28) is to be determined. What...

10 November 2018 8,641 7 View

How to compare the Single-Shell method of tunnel construction (NMT) with the Double-Shell one (NATM) ?

There are two principal methods of tunnel construction: the single-shell known as the Norwegian Method of Tunneling (NMT) and the double-shell referred to as the New Austrian Tunneling Method...

08 September 2016 6,051 6 View

What is the best and cutting edge software, nowadays, for tunnel design the World over?

08 September 2016 8,936 15 View

How to design a durable concrete mix for a useful life of 300 years?

04 May 2016 3,388 16 View

Which one of the Euro Codes is applicable to the concrete technology.? Does it contain all the requirements / specifications for concrete ingredients?

Which one of the Euro Codes is applicable to the concrete technology.? Does it contain all the requirements / specifications for concrete ingredients such as water, cement, fine aggregate, coarse...

04 May 2016 2,890 3 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

Can anyone suggest a topic for the Impact of AI and ML in the financial institutions?

I am currently doing my Master Thesis in FinTech and I am thinking of doing my project on the impact of AI and ML on the financial industry but as the impact of these technologies on the industry...

21 February 2021 7,128 3 View