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

How to convert a latex file into a word file ?

The manuscript has been prepared in a latex format. But the journal submission format is the word. So, how to convert?

04 July 2020 1,440 20 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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How can I calculate teh crystallinity degree of graphene oxide?

I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...

10 February 2021 6,305 5 View

How do you prepare a porous crosslinked Polyvinyl alcohol and Glutaraldehyde membrane or film?

I am trying to prepare a Polyvinyl alcohol membrane for carbondioxide adsorption

08 February 2021 7,493 3 View

Does Abaqus plugin AM-Modeler predict the same temperature/crystallinity history as UMATHT user-subroutine?

During AM process, progressively activation of elements can predict the temperature/crystallinity history, including surroundings heat losses and than this data could be used to determine the...

06 February 2021 4,686 1 View

Xrd result of ZnO thin film shown better crystallinity at low temperature and the crystallinity decreases as the temperature increased. why?

I have synthesized ZnO thin films at four different substrate temperature say, 300, 350, 400 and 450C. and the samples were annealed at 450C for half an hour. the xrd result shown better...

04 February 2021 7,641 4 View

How can I set up UV irradiation for crosslinking lab?

Hi, I am using a mix of 2 polymers and want to try and crosslink them. I have a UVA lamp of 365nm and have tried the lab previously at 30cm above. How would you recommend I approach the lab and...

31 January 2021 8,711 3 View

What is reason behind rapid temperature drop after cutting the heat supply from the source ?

When a Carbon/PAEK material heated with an alternative current, I have seen a rapid/moderate/linear temperature drop after cutting the heat supply from the heat source. Even it continues for the...

11 January 2021 6,838 3 View

Which peak should I consider when calculating ZIF-8's crystalline size from XRD?

Hello, Using the Scherrer's equation, one could calculate, roughly, the crystalline size of ZIF-8. However, I am confused as to which peak in the XRD pattern should be taken for the calculation?...

10 January 2021 8,633 3 View