which under relaxation factors is suitable for laminar mixed convection when using SIMPLE algorithm for velocity-pressure couple, PRESTO! and second order UPWIND schemes for pressure, momentum and energy equations?
Hi, I am working on 48V Lithium-Ion battery pack. I am wondering if there is fast MOSFET (or any other technology), to control the current of charging and discharging the battery with high...
20 January 2021 1,717 4 View
Hi! i am running a simulation using a cluster and I have encounter an error during my nvt equilibration like this: Cannot rename checkpoint file; maybe you are out of disk space? I deleted some...
03 January 2021 3,544 2 View
Modification of the rheological properties of asphalt
25 December 2020 7,390 2 View
I am trying to work on reducing the PAPR of the FBMC/OQAM with the TR and PTS methods. for that if someone can share with me one of these matlab codes. my e-mail: [email protected]
19 December 2020 7,764 1 View
How to estimate the acidity of a cheese?
13 December 2020 4,890 4 View
I am going to clone gDNA fragment > 10 kb into a pCR TOPO vector. I performed the PCR using KOD PLUS Neo polymerase for 3-steps PCR reaction, I am not able to find the specific size. Several an...
03 December 2020 1,939 5 View
does anybody knows how can i get the change in the distance between the notch nodes (two points showing in the figure ) vs the applied force in every step as a table out put or curve in...
23 November 2020 352 3 View
Hi I got a low confidence index in the EBSED analysis even after days of polishing using 1 to 0.02 um suspension using 1 lb force, the sample was Al/W composite (has intermetsllic interface)...
26 August 2020 3,547 4 View
hi please I have Al/W sample and I am looking for screw dislocations on the intermetallic surface, my question is: Should the sample be etched? and should I use the SEM or TEM microscopy? what...
06 August 2020 9,703 2 View
I am using google colab to train a model for sign language recognition using this dataset: https://www.kaggle.com/feronial/turkish-sign-languagefinger-spelling I tried different architecture...
08 May 2020 4,098 5 View
Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...
02 March 2021 4,910 3 View
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
Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?
01 March 2021 9,785 3 View
I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...
01 March 2021 8,415 1 View
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 can one improve mesh skewness, orthogonality, aspect ratio?
28 February 2021 7,730 3 View
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
Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...
25 February 2021 9,602 4 View
Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...
24 February 2021 8,856 3 View
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