How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

Why is my CFD problem (mini heat sink rectangular channel) not converging while having good quality mesh?

My CFD problem is having two interconnected rectangular channel, which is known as mini heat sink. I have already performed parallel flow inside of an interconnected mini heat sink. However, I...

19 February 2021 3,209 3 View

Polyelectrolyte complex ion pairing through IR?

Is it possible to observe ion pairing (contact ion or solvent separated ion) of polyelectrolyte complexes through liquid FTIR? Although the PECs have been widely studied in the last two decades, I...

12 November 2020 4,800 1 View

How can I get better picture for the attached TEM Image??

I used TEM equipped with tungsten gun to obtain attached image (several other too, like shown). Side blotting technique followed by negative staining (1% PTA for 30 sec) was used. I cannot get the...

31 October 2020 1,902 5 View

How can I get Nusselt number for mini rectangular channels using fluent?

I am validating my CFD mini rectangular channel model. For that purpose, I need to know how to get the Nu number accurately. For Calculating Nusselt no. from fluent post-processing as follows:...

24 October 2020 3,444 5 View

What is the possible biological explanation of the mutational pressure as a driving force on the evolution of particular species ?

In one analysis major role of mutation pressure was observed in codon usage bias of some species

19 October 2020 4,755 1 View

Do family demographic processes link socioeconomic status to men's physical health?

Previous literature suggests that lower socioeconomic status (SES) men through higher family sociodemographic pressure and lower capacity of stress control, compared to higher SES men, are more...

08 October 2020 2,740 1 View

Is poorer capital at home and at school linking minority children's lower SES to their underachievement?

14 September 2020 8,297 4 View

Which R package is better for Micro array gene expression data analysis?

I am trying to analyze the micro array gene expression data between control and treatment. I would like to use R programming package. Which package is better and how can i use. I want step by step...

23 August 2020 8,111 7 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 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 use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 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 interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

How to run raise regression in R?

if anybody know how to run raise regression in r, and raise parameter selection, please help me

24 February 2021 8,199 1 View

How can I find the effect of different parameters like (Reynolds number, Hartman number, volume friction etc.) in COMSOL?

Here I am facing this problem. I don't find any effect of this type of parameters. I am a beginner user of COMSOL.

23 February 2021 9,086 3 View