How to Implement Elastoplasticity in a PCL model in COMSOL Multiphysics?

I am using COMSOL Multiphysics 5.5. I am trying to simulate the tensile test of PCL scaffolds. However, regardless of the strain, I have the elastic region all the time which is not true when it...

23 February 2021 4,050 1 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

How to do qualitative field research in a hostile environment?

It is much said about doing qualitative research and field study. I'm curious about your hints/experiences in doing ethnography in hostile environment touching sensitive topics (marginalized...

30 November 2020 4,151 14 View

What is the scenario for the gold price?

What do you think about the further growth of gold price? Do you think that the upward trend is coming to an end? Or may be we observe a temporary turbulences caused by the US presidential...

23 September 2020 1,344 4 View

How to make a one-dimensional SOM (Kohonen) map?

Could you please help me and give some tips on how to design trajectory/line using a one-dimensional Kohonen "map"? I need it to my article on bankruptcy but as I'm not statistician I can't handle...

23 September 2020 6,834 2 View

What's the acceptable value of _refine_ls_shift/su_max for Rietveld refinement?

Hi, my background is in single-crystal X-ray diffraction. Now, I am carrying out the so-called Rietveld refinements in GSAS-II and am getting quite large _refine_ls_shift/su_max values (ranging...

01 September 2020 7,012 2 View

How can I start a quantum chemistry calculations with Gaussian with modified basis set?

I want to run geometry optimization in Gausian. Currently I am running it this way: #N B3LYP/3-21G OPT NOSYMMETRY 0 6 Dy 0.00000000 0.00000000 0.00000000 F 2.14203091 0.10643632...

27 June 2020 2,912 9 View

OpenGeoSys for 3D static geomechanical modelling?

Hello, I would like to ask if there is anybody that have worked with an open source software OpenGeoSys to construct 3D static geomechanical model? I would very much like to hear any...

23 January 2020 3,666 2 View

A queueing model for the cloud computing centre?

I'm considering an analytical model for the cloud computing composed of: - input load balancer (LB) with M/M/1/K - P (PH) physical machines with hypervisors, each able to host V (VM) virtual...

18 November 2019 2,356 3 View

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07 November 2019 2,121 1 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 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

How to realize refractive index values of 1 to 1.1?

Hello researchers! While studying the literature on refractive index sensors, most of the articles simulate their devices with a refractive index ranging from 1 to 1.1, with small steps in...

17 February 2021 1,578 4 View

How to get better phase shift in C-V curves for ferroelectric devices?

I tried to sweep my ferroelectric devices from -2V to 2V and then from 2V to -2V and The two hysteresis peaks are off by several microFarads. Should i increase bias voltage? I am doing these...

16 February 2021 8,514 2 View