How use transfer function and excitationforce to extract the acceleration and then find the acceleration spectrum response using Fourier transform?

assume El Centro earthquake Transfer function X(w)/F(w) = (1/k)* (wn^2/(wn^2-w^2+2*j*zeta*w*wn) where w : frequency wn: natural frequency please I need matlab code using Fourier transform

03 April 2018 3,714 0 View

Is there any one has this book?

Hi Do you have "Introduction to NEURAL NETWORKS using MATLAB 6.0. S N SIVANANDAM S SUMATHI S N DEEPA" please send me at [email protected] i am searching book +solution Thanks in advanced if i...

11 December 2017 7,503 0 View

Compute condition entropy?

function z = condEntropy (x, y) % Compute conditional entropy z=H(x|y) of two discrete variables x and y. % Input: % x, y: two integer vector of the same length % Output: % z: conditional...

09 October 2017 4,316 0 View

Compute conditional entropy ?

function z = condEntropy (x, y) % Compute conditional entropy z=H(x|y) of two discrete variables x and y. % Input: % x, y: two integer vector of the same length % Output: % z: conditional...

09 October 2017 6,908 0 View

Wavelet coefficients length not equal original signal length?

I am currently decomposing a signal using the discrete wavelet transformation and the 'wavedec' function. Say that I wish to get the detail coefficients for 7 levels. I expect that for each...

09 October 2017 618 9 View

I need Minimum Description Length algorithm Malab code

07 August 2017 8,283 2 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

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 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

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 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