Is not POLITICS involved in science these days?

Respected Fellows, First and foremost, wish you all, all the very best for the year 2021!. I was formerly a faculty member in Canada (2006-2011, Assistant Prof.), then came back to my...

04 January 2021 7,886 4 View

How to apply cyclic loading to a discrete model of a masonry wall in 3DEC software?

It is possible to apply a monotonic load to a URM wall in 3DEC code but I am wondering is it possible to apply a cyclic load there like FEM softwares?

10 February 2020 3,237 3 View

How Mind Map can be Helpful in Education ? What about your experience ?

Mind mapping is a beneficial learning tool. Mind Maps provide subject overviews succinctly, making even the most complex topic easy to understand and interesting.

03 September 2019 7,992 7 View

Which Scopus journal has fast review and fast publishing in computer engineering & science?

Suitable Scopus Journal for wireless sensor network

12 November 2018 8,125 21 View

How determine rotor rated current and voltage in Doubly fed induction generator?

we have all data of a 3.6MW DFIG, but we want to determine rated current and rate voltage of this machine.

17 October 2018 9,886 1 View

How can I implement multiplicative noise with different distributions in MATLAB?

Suppose, for example, that we intend to simulate the Weberull distribution of speckle noise to simulate the SAR image. I'm looking for detailed instructions from MATLAB to do this.

19 July 2018 8,959 2 View

I want create hydroxyl groups on glass surface. what methods exist for it?

hydroxyl groups are making for better adhesion of coating in solution methods.

04 February 2018 6,813 2 View

How much is the hear increase in ethanol reforming?

i'm doing simulation for Ethanol reforming in Comsol. the model had solved but in the results temperature increase until 60 degree while in the papers in temperature increase is reported about 250...

17 December 2016 543 2 View

How can I increase extracted steam from steam turbine?

Im looking for a way to use extracted steam from steam turbine, such as CHP system, ORC system, or etc. When we want to convert the steam cycle of an exist steam power plant into combined cycle...

01 May 2016 8,098 5 View

How can I apply a prestrain or prestress in tensegrity cable in Abaqus software?

23 August 2015 947 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 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

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Is the a way to contol flow (Flow velocity) without impacting pressure value?

I have a pipe with 10 mm in Diameter and 2 bar pressure, the fluid velocity is 200 m/s, the fluid is air. is there a way to reduce velocity without affecting the pressure value?

25 February 2021 7,187 3 View