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

Dear Colleagues, I am looking for a way to dop of electrospining nanofibers on the HEPA filter.Someone can guide me?

Electrospining method is important for production of nanofiber .If doped with nanoparticles ,can be used for remove of contaminant such as VOC , but don't have mechanical strengh . For finding a...

24 January 2021 7,290 3 View

Can we add the term "political sustainability" to principles of sustainable development?

Because some researchers add the term psychological sustainability to principles of sustainable development.

23 November 2020 5,764 6 View

Why eluted protein shows degradation though beads after elution is still clean ?

I tried to purified a GST-tagged protein and I used 0.5% triton-x-100 to wash the enriched beads which resulted in a removal of non specific binding to a great extent. I eluted the protein with...

04 August 2020 3,701 6 View

Is there benefit of routinely screening stool for COVID-19 PCR prior to elective Colonoscopic procedures?

There is increasing evidence of GI tract epithelial cells serving as replication medium for COVID-19. Data from GI suites in Europe have shed light on this issue where the virus can be spread...

11 May 2020 9,907 20 View

In an optical diffraction (single slit experiment) we found no photons in dark fringes that should interfere destructively, how this is possible?

we did a very simple experiment of optical diffraction (single slit experiment) with a laser diode and observed dark-bright fringes on the plane of diffraction experiment (details of experiment...

13 March 2020 3,198 3 View

Can we use heckman selection model to analyse whether a variable effect a decision and how much? is SHAZAM a right app to do so?

as much as i found out heckman selection model can be used to verify if one decide to do or not to do something (0 or 1). and if yes(1), how much each variable determine the decision. i am...

02 March 2020 6,818 1 View

Can I preserve bacteria in liquid nitrogen?

I am storing bacteria for long term. I have made 50% glycerol stocks. Can I preserve them in liquid nitrogen? Please give me your valuable suggestions with reference. Thanks

17 October 2019 1,056 3 View

Are you aware about the Predatory Journals??

I am sharing the information about the list of hijacked and predatory journals. It is very very important for scientists across the globe particularly for young scientists who have little...

07 October 2019 9,039 4 View

In the context of publications, what mean by a quality research (publication) in mathematics?

Few options may be: 1. Number of citations of a paper 2. High Impact factor of a journal 3. Less number of authors ....

18 September 2019 1,048 31 View

Suppose we have a banana seller cart consisting of 4 wheels, weighing about 300 kg. How much torque motors are needed to pull of push it electrically?

I am thinking of electrifying the street food carts while harvesting energy using solar panels on top.

22 February 2021 4,323 3 View

Abaqus, how can I add a composite layup to a complex shape?

I am designing a knee simulation focusing on the meniscus. I want to add different material layers to the meniscus. I have tried to add composite layup to the menisci in a uniform way but the...

27 January 2021 4,998 1 View

What percentage torque ripple exists in electrical motors used in electric vehicles ?

I am trying to understand the significance/percentage of torque ripples that exist in electrical motors (under operating conditions) that are used in commercial electric vehicles. If someone could...

15 January 2021 5,691 3 View

Can we control the position and vibration, simultaneously, of a flexible link with a tip mass using only the actuator's input?

This is a boundary control problem of a hybrid ODE-PDE system. The system consists of an actuator, a flexible link fixed to the actuator, and a tip mass at the free end of the link. In most...

13 January 2021 8,050 2 View

What are the reasons of asymmetrical bilateral knee Osteoarthritis (OA)?

Primary osteoarthritis - is degenerative joint disease without any apparent underlying cause then what are the reasons of asymmetrical bilateral Knee OA?

09 January 2021 7,524 8 View

Why am i getting a negative torque in ansys fluent for a vertical axis wind turbine?

I am trying to simulate a vertical axis wind turbine of darrieus model and i am getting a negative torque. I have followed frame motion, relative to adjacent cell method, and solution method as...

28 December 2020 1,170 3 View

How do I calculate the torque required for linear motion?

23 December 2020 5,064 3 View

How can the Compression Stress on a membrane electrode assembly be calculated from the torque on the bolts of a proton exchange membrane fuel cell?

I'm trying to calculate the compression stress on the fuel cell components so that I can determine the porosity of the diffusion media as in the following paper: R. W. Atkinson, Y. Garsany, B. D....

11 November 2020 2,430 3 View

How to isolate RNA from guinea pig cartilage and synovium?

I've been trying to isolate total RNA from guinea pig's knee cartilage. I've tried Qiagen RNeasy kit, miRNeasy kit, trizol method with lots of modifications and have also used the RNaqueous total...

06 November 2020 4,324 1 View

What is the relationship between the type of material(ex: steel, iron etc.), thrust and torque?

If I am drilling through bars of different material(ex: iron, steel etc.) of the same thickness and under the same conditions of drill operations(feed rate and rpm), how will the torque and thrust...

06 November 2020 4,498 3 View