Post evaluation of close range photogrammetry experiments ?

I am performing a simple close range photogrammetry test and comparing outcomes of photogrammetry tools such as VisualSFM, Meshroom, Colmap etc. Kindly advice, what post evaluation tests/ criteria...

13 February 2021 6,410 3 View

In your experience what is the difference between G.652D and G.655D optical fiber. In field and in lab?

In our current era there is a big confusion about the usage of G.652 and G.655 optical fiber cable. Theoretically G.655 is much better than G.652 but the operator feel that G.652 is giving almost...

11 February 2021 4,006 8 View

Various schools have emerged in the study of comparative literature. Mention the most prominent of them in a nutshell.?

Various schools have emerged in the study of comparative literature. Mention the most prominent of them in a nutshell. And he talked about one of them?

09 February 2021 1,099 8 View

Does anyone knows about a comercial software to record pressure and temperature during reaction in an Autoclave?

Dear all: Currently I am working with polymerization reaction in a reactor. For this, I need to control temperature, pressure, agitation speed etc. For calculation of rate of polymerization, I...

07 February 2021 355 2 View

Data balancing before test/train split or only training data balancing. which is correct?

While reviewing technical articles, I encounter some papers where authors have used data balancing before splitting test and train (on full data), and some only balanced training data and let the...

04 February 2021 1,446 0 View

Mental health of COVID-19 Patients?

We want to conduct a study on the mental health and psychological problems in COVID-19 patients and would measure it in terms of Anxiety by Beck Anxiety Inventory, Depression by Patient Health...

02 February 2021 6,401 6 View

How can we measure disease severity of a pathogen in a crop?

severity index, measuring method and procedure detailed

01 February 2021 1,160 11 View

How to obtain the plot of frequency shift w.r.t. pressure in a micro resonator (cc beam) based MEMS pressure sensor in COMSOL?

I need to know how to plot the impact of pressure (0 - 100 kPa) (which is applied on the back side of diaphragm) on the frequency shift caused in the cc beam supported on the diaphragm with...

01 February 2021 5,805 17 View

Why can't ANSYS Mechanical APDL detect the volume of my design ?

The 1st image shows the moment when I import my design(IGES) into the Mechanical APDL. The 2nd image occurs when I wanted to Operate>Boolean>Divide Volume By Area. The design is a regular...

28 January 2021 2,962 3 View

Is PV array not available in MATLAb 2020a simulink?

I have MATLAB 2020a. PV array is not present in the simulink library. Can anyone please explain if the name of module has been changed or is it not available anymore? Is there any way to add PV...

24 January 2021 7,962 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View