How to implement boundary conditions in Abaqus contact problems?

Hello I am trying to simulate crawling motion of a bilayer beam using Abaqus. Kind of similar to this: https://youtu.be/os-Z3ucoFpA I am using multiphysics enabled (diffusion, deformation,...

20 February 2021 2,916 1 View

Do we see connection between climate change and the transmission of coronavirus?

How likely are we to see the infectious disease spread as a result of climate change? How are the communities most at-risk, and how and why both COVID-19 and climate change harms them? Why is it...

09 February 2021 1,459 28 View

I get tumor tissue from the patients after the surgery. How to isolate the top layer of cells from a tumor?

I work on gastric cancer. I want to separate the top layer of tumor cells from the lower layers.

25 January 2021 6,663 1 View

How to decolonize climate change research?

Who has the right to define what is climate change research should be? Who should define the climate change research topic, research questions, and research design? Who should own the climate...

29 November 2020 1,077 12 View

What are the outstanding issues in laser glass?

Laser glass is essentially Nd-doped phosphate glass. It is used as the gain medium in high power lasers. The questions are: (1) Why phosphate glasses are important? (2) Can they be replaced by...

24 November 2020 1,286 6 View

Is the future of "Science" or "the Scientific Implications of Climate Change" connected with the US election?

Donald Trump and his challenger Joe Biden have presented vastly different visions for handling crucial issues, from the coronavirus pandemic to climate change. This results in how the election...

29 October 2020 8,810 6 View

Why after importing .shp files for microCFD 2D simulation the dimensions of the figure appears to be changed?

I am currently trying to do a microCFD simulation of a figure that has got some definite dimensions but after importing in the microCFD and then clicking on the modify shape option from the edit...

10 October 2020 3,272 1 View

In FullProf XRD Fitting, which FWHM parameters(u,v,w) should be negative?

Generally v is negative initially but what it should be after fitting. what does a negative sign or positive sign of u,v,w mean ?

02 August 2020 7,907 5 View

Are you writing your self-resilience stories from the Covid-19 disaster?

How are you taking positive steps against the Covid-19 disaster? How are you protecting your community? What do you want to suggest?

23 March 2020 7,820 38 View

Can the Covid-19 pandemic educate us to understand and take more responsibility for the climate change disaster?

What is your critical perspective?

18 March 2020 2,564 46 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View