Is it possible to add a source term to the momentum equation in ANSYS CFX?

I want to add a source term as a body force to the momentum equation in Ansys CFX for modeling the VGs and I don't know how do it !!

21 February 2021 2,971 4 View

Is there any publication about the effect of basketball and volleyball on body height?

Many people believe that some stretching sports with vertical jump such as basketball and volleyball can increase the body height. On the other hand, others do not agree with this argument. The...

02 February 2021 281 6 View

What aspects of communication skill improves significantly regarding to the Autism Spectrum Disorder using PECS?

Children with ASD need a clear and effective way to communicate to reduce frustration and replace challenging or unacceptable behaviours (Beukelman and Mirenda, 1998; Webb, 2000). Augmentative and...

19 January 2021 1,160 3 View

Which is best tool for alignment of large bacterial sequence?

Hi! I need to align big fasta files (bacterial 16S) . I have tried to align them in some web-servers and freeware, but my files are too big to be run in there. I will be very glad if you could...

16 January 2021 1,266 4 View

Hi, I have a question about the calculated band structure for 2Dmaterials?

please help me to choose the best source and theoretically calculate band structure for 2Dmaterials( graphene, MoS2,...)? thanks a lot.

12 January 2021 2,748 3 View

How to save data files with .dat format instead of .dat.h5 format in transient simulation by ANSYS Fluent autosave option?

Hello everyone, I am using the ANSYS 2020 R2 version. I am simulating a transient setup, and I set an autosave. but the solver gives me .cas.h5 and .dat.h5 files instead .cas and .dat format....

11 January 2021 3,033 3 View

2) How can online learning be enhanced in the context of Covid-19 disease?

Although online education is a good alternative to the face-to-face education system in critical situations such as the current situation, but due to the sudden occurrence and rapid spread of the...

11 January 2021 3,734 4 View

Is it possible to introduce a 2D axis-symmetric model in COMSOL Multiphysics to solve electromagnetic waves?

Hello dear researchers. I want to solve a cylindrical waveguide, lick an ordinary standard optical fiber. I am familiar enough with the 2D-axis-symmetric model, but as I knew from the equations...

11 January 2021 6,663 6 View

How can I fix the floating node error in pspice?

I have a very large circuit and when I try to run a transient analysis of my circuit, there are so many floating node errors, this is the picture of a part of my circuit...

31 December 2020 6,053 5 View

How to select negative values in row?(at least two negative values & more together) in Rstudio?

hello my dear friends i have a time series includes 324 month (SPI values) i wanted to extract and select them like this picture in R studio, i don't have any idea which package or command to use...

20 November 2020 916 4 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

Universal bacterial primers targeting a mRNA?

Hi, I'm looking for universal primers targeting a bacterial mRNA to quatify bacterial load by qPCR in a complexe mixture (eukaryote and prokaryote RNA). Ribosomal RNA being depleted, I absolutly...

22 February 2021 9,969 3 View

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

Where can the fault diagnosis data set of lithium battery be found?

Most of the data sets on the network only contain good information about the voltage and internal resistance of lithium batteries. The data of faulty battery is missing. Who can help me, I will be...

21 February 2021 8,659 1 View