Total tests displayed by https://www.worldometers.info/coronavirus/#countries include rapid tests also or are solely RT-PCR Tests?

COVID-19 CORONAVIRUS PANDEMIC (https://www.worldometers.info/coronavirus/#countries) displays the total tests conducted countrywise everyday. Is this number based solely on RT-PCR tests or it...

30 October 2020 2,248 3 View

How much sample size is necessary for the cross sectional study done in school/college level students about their smoking and drinking behaviors?

26 September 2020 8,101 7 View

Which strain is equivalent to shrinkage strain in ABAQUS?

I am modelling drying shrinkage strain in Abaqus. Problem is, Abaqus output history results gives different types of strains, please have a look in attachment. I am not sure which strain component...

23 September 2020 6,008 3 View

What are the employment opportunites after completed Ph.D with high impact factor(~3-4) 8 papers?

What are the employment opportunites after completed Ph.D with high impact factor(~3-4) 8 papers? Can any one suggest

08 June 2020 5,899 8 View

I am conducting an ethnography with mixed method approach, what would be the best sequential order: Quali to Quanti or vice-versa?

I'm doing an insider ethnography and using mixed method approach among disaster survivors resilience. As I belong to the same population pool as that of participants, it is said that ethnography...

19 March 2020 7,721 5 View

How to define thermal conductivity as function of temperature and time, in ABAQUS?

I am doing pure heat transfer analysis in ABAQUS. My in put variable is thermal conductivity. I want to define conductivity variation with temperature and time. In ABAQUS temperature dependent...

05 February 2020 9,479 2 View

Has anybody used the Elisa kits from Elisa Genie, LifeSpan BioSciences, Aviva Systems Biology, Abbexa and Antiboides-online?

I am looking for sandwich Elisa kits for human CTNND1, and I have found the kits from the above companies. However, our group are not familiar with these companies, and I cannot find publications...

02 February 2020 6,131 1 View

How to build a TiN cluster model for ab initio simulation?

Hi, There are many journals related to simulation that used Silicon cluster as the substrate model. I have also seen SiO2 cluster model on the research journal. However i can't seem to find any...

07 November 2019 8,171 1 View

Rules for paired sample t-test with samples from cell culture?

My experiment is isolating primary cells from biopsy of different patients. And then to culture the primary cells in two conditions, one is the negative control, and the experimental set-up is...

06 July 2019 6,194 5 View

Does subscriptions contributed significantly in impact factor?

if subscriptions significantly impacted on impact factor, it is worthless to be specific in subject specific journal. For example, better to target horticulture journal rather viticulture or pomology.

17 December 2018 3,916 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to approach CFD simulation results of a flow past a cylinder?

Hi all, I'm doing a transient simulation of flow past a rectangular cylinder close to the free surface. As far as I'm concerned, the common practice is to discard the initial stages of the...

25 February 2021 1,348 3 View

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

How to overcome convergence issues in concrete arch models?

Hi, I have modelled a three-span arch bridge with soil fill over along with pedestals. The FE modelling is done in LUSAS with HX8M solid elements (i.e. 3D solid modelling). The non-linearity is...

20 February 2021 1,346 2 View

Comsol Maximum number of Newton iterations reached?

Comsol is investigating deformation due to gravity. Gravity is applied to the nanosheets to check for displacement and stress. If I input the Young's modulus of the channel to about 1 [GPa], the...

15 February 2021 6,027 3 View

Why is my vc-relax computation of a W-based material is not converging? What important factors should I consider to attain convergence?

Here are some of the parts of the input file: &system ibrav = 0, nat= 9, ntyp= 2, ecutwfc = 36.7, ecutrho = 367, smearing = 'methfessel-paxton', occupations = 'smearing',...

10 February 2021 4,689 1 View

How to conduct mesh sensitivity/convergence analysis in MSC Marc Mentat?

Currently using Msc Marc Mentat for FEA. Now i conduct the mesh convergence/sensitivity analysis manually. So I need to know if there any automatic way to conduct the mesh convergence/sensitivity...

04 February 2021 3,310 3 View

Is model convergence time a game changer for 5-10 year ahead forecasts?

There is a slew of academic papers that look at basically the same base model while switching optimization algorithms for either its hyperparameter or model parameter tuning. While I acknowledge...

24 January 2021 417 3 View

How to achieve the convergence of the solution in COMSOL Multiphysics?

Hello! Please tell me how to achieve the convergence of the solution ... In Newton's method I set 50 iterations and the finest grid, but the solution still does not converge I would be grateful...

23 January 2021 935 5 View

Frequency calculation with TDDFT???

Hi, I have been trying to calculate the frequency vibrations of the excited state S1 of an organic molecule (24 atoms). The geometry optimisation of the excited state converged smoothly howerver...

22 January 2021 1,463 3 View