Does anyone knows a tool (GOMS based or other) to automate calculation of task completion time?

Hello good human, really hope that you are doing well. I have been reading "The Psychology of Human Computer Interaction" by Stuart Card et al. They have introduced one of the ground breaking...

11 December 2020 7,269 3 View

Implementing function in ANSYS APDL?

I am trying to model the below heat flux distrubution profile in ansys apdl. The heat flux is varying radially as given by the equation. I want to apply this distribution to the selected nodes in...

23 October 2020 400 1 View

How to select nodes in circle in ANSYS APDL?

Hi, I have imported model from solidworks and glued all the volumes. while meshing i got warning that i have attached. I am trying to move the circular heat source along z-axis from one end to...

12 October 2020 2,114 4 View

Multilayer metal deposition?

Hi, i am trying to simulate multilayer metal deposition using 'element birth and death' technique. I have glued the three volumes ie substrate, layer1,layer2 as shown in figure. Then, i am trying...

15 September 2020 3,673 4 View

Objective function for Pulp library in python?

How do we define objective functions while doing optimization using Pulp in Python. We have defined Prediction models separately. Next step is to bring objective functions from prediction models...

06 July 2020 9,256 3 View

I need to predict the time when a physical test on a machine will fail. Which time series forecast/ machine learning method should I use?

There are 2 columns: time(in seconds), amplitude of wave. I need to predict when the test may fail and we can observe a crack on the machine based on the amplitude. I do not know the...

30 May 2020 7,594 13 View

Why Raman signal is related to zone-centre optical phonons?

Why in ideal single crystals only the zone-centre optical phonons are observed using optical techniques such as Raman spectroscopy?

06 June 2017 1,720 4 View

What is direct evidence of phonon confinement in silicon nanocrystals?

Other than Raman spectroscopy, is there any other experiment available for the direct evidence of phonon confinement or selective phonon modes in silicon nanocrystals?

16 May 2017 6,596 3 View

Which process appears in low voltage, trap assisted tunneling or poole frenkel emission ?

14 July 2016 7,908 3 View

How can urban resilience be strengthened in the post disaster reconstruction of historic settlements?

20 May 2016 5,547 3 View

Is it possible to have two luminescence bands of the same peak position but with different intensities in single spectrum??

Hi! If it is possible to have two luminescence bands of the same peak position in a spectrum, what is the reason behind formation of two separate bands instead of one? This phenomenon is related...

26 February 2021 4,963 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

What low-cut filter (high Pass frequency) to be used for response spectrum (Tripartite plots) ?

What low-cut filter (high Pass frequency) to be used for the response spectrum (Tripartite plots)? I am currently working on differentiating between hard/soft site responses in Indo-Gangetic...

21 February 2021 9,273 2 View

Interpretation of a fluorescence Emission spectrum ?

Hello, i work with a spectrometer which only render the fluorescence emission spectrum. Until now i just found how to interpret an exitation- and emission spectrum together to generate deeper...

20 February 2021 1,291 3 View

How to get the vector of a specific vibration mode in phonon dispersion?

For example, I have this phonon dispersion(Fig. 1), and now I would like get vector of atoms which describes TA1 in P. I know v_sim can show vibrational animation of specific mode, but I do not...

20 February 2021 4,332 4 View

How to detect uv vis spectrum of nanoparticle under 300nm?

I try to make the indium nanoparticle and check the uv vis spectrum. I heard that In nanoparticle has surface plasmon resonance peak at 200~300nm. But most of solvent has absorption peak under...

14 February 2021 6,950 15 View

DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate?

Hello all... I m looking for a method for assay DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate in aqueous samples (cosmetic product) using GC- MS mass spectrum HP- 5 ms U.I 0.25...

13 February 2021 7,629 3 View