How to estimate total kinetic energy with an accelerometer?

Hi everyone. There's a MEMS sensor which has an accelerometer giving tri-axial angular velocity and linear acceleration. I wanted to measure the total kinetic energy which has 2 parts:...

09 October 2018 5,764 5 View

Can anyone share idea on excess pore water pressure estimation during dam construction?

Dear researchers/engineers I was reviewing a report of a dam monitoring during construction. considering a specific piezometer, it is installed at time t1 and elevation z1. but the casing datum is...

06 July 2018 2,024 3 View

Could anyone guide me with undistorting images and particle tracking?

I have captured frames of a video. A video of a particle moves through a flume. I wanted first to undistort it but I didn't capture calibration images. I just know some measures, for example the...

11 December 2016 8,474 18 View

How to derive acceleration from MEMS sensor outputs?

We used a sensor in a pebble that when it moves we could have acceleration statistics. but the outputs are labeled with some titles which I'm not sure how I can use them to produce a graph (time...

10 November 2016 7,368 5 View

How to implement selection algorithms like Self-Organizing Map to split input data to specific subsets?

03 April 2016 5,548 4 View

How can I plot an X-Y plot with a colored valued? (Colormap plot)

Dear researchers, I wanted to show how different values of parameters in a model change the error of a result. for example I want to plot an X-Y figure with parameters 'a' in x-axis and 'b' in...

11 December 2015 8,650 6 View

How to plot confidence and prediction interval?

I have two tables; 1) observation data 2) prediction data I want to plot the confidence boundary and prediction interval for this plot(observed vs predicted). Thanks for any help

09 October 2015 4,409 3 View

What is the problem with epsilon=0 in regression problems with Support Vector Regression?

In most of my study I found out epsilon=0 is getting a better results among other epsilons. As epsilon=0 means all vectors are slack variables which needs to be minimized (SVR), why not using...

02 March 2015 332 5 View

Is it possible to solve a PDE with elemental boundary conditions with Finite Difference Method?

If we have a problem which its boundaries or the the condition of solution is some panels or elements not grids, which must be confirmed. Is there a way to solve it numerically with FDM?

10 November 2014 3,345 7 View

How to implement Linear Genetic Programming.

Anyone can recommend any software or codes to implement linear genetic programming? Thanks in advance.

08 September 2014 9,449 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View