162 total contributions since 2012

George Papazafeiropoulos

Captain, Infrastructure Engineer, Hellenic Air Force

Civil Engineer, M.Sc., Ph.D. candidate, NTUA

Mailto: gpapazafeiropoulos@yahoo.gr

Website: http://www.abaqus2matlab.com/

Linkedin: http://goo.gl/MtB3Y

Xing: http://goo.gl/gbvFB

Facebook: http://goo.gl/NJD0z

Submitted

Artificial accelerogram generator

Artificial response spectrum consistent acceleration time histories

3 months ago | 5 downloads |

Submitted

OpenSeismoMatlab

Open source software for strong ground motion data processing

3 months ago | 78 downloads |

Answered

How to apply neural networks for multiple experimental data

Dear Bharat, I have checked your code segment and I have assigned arbitrary values to the variables that are undefined in it. I...

How to apply neural networks for multiple experimental data

Dear Bharat, I have checked your code segment and I have assigned arbitrary values to the variables that are undefined in it. I...

5 months ago | 0

Submitted

Bezier Curve and Surface

Plot a Bezier curve or Bezier surface with given control points

1 year ago | 17 downloads |

Submitted

OpenSeismo

OpenSeismo: a new open source software for strong ground motion data processing

1 year ago | 5 downloads |

Submitted

Abaqus2Matlab

Program for the extraction of Abaqus analysis results to Matlab

2 years ago | 69 downloads |

Answered

Run Abaqus cmd from MATLAB command line

You can execute the following Matlab code in Windows: try system(['abaqus cae noGUI=model.py interactive']) %...

Run Abaqus cmd from MATLAB command line

You can execute the following Matlab code in Windows: try system(['abaqus cae noGUI=model.py interactive']) %...

2 years ago | 0

Answered

how to call abaqus using matlab for iterative process?

You should access the abaqus results (*.fil) file via MATLAB. In order to take your results into a fil file you should specify...

how to call abaqus using matlab for iterative process?

You should access the abaqus results (*.fil) file via MATLAB. In order to take your results into a fil file you should specify...

2 years ago | 0

Answered

Negative eigenvalues with frequency analysis related to ABAQUS

Dear Xiaohan, You can perform the eigenfrequency analysis in Abaqus as usual and then extract the analysis results using Abaq...

Negative eigenvalues with frequency analysis related to ABAQUS

Dear Xiaohan, You can perform the eigenfrequency analysis in Abaqus as usual and then extract the analysis results using Abaq...

3 years ago | 0

Submitted

Arc-length method

Finds the roots of a function using the arc-length method

3 years ago | 28 downloads |

Answered

How to call abaqus from matlab？

!abaqus job=job_1 without the extension (*.inp). If you want to obtain the results of this analysis back to Matlab, then you hav...

How to call abaqus from matlab？

!abaqus job=job_1 without the extension (*.inp). If you want to obtain the results of this analysis back to Matlab, then you hav...

3 years ago | 0

Answered

Abaqus and Matlab (Optimising the simulation parameters in Matlab by calling Abaqus as external subroutine)

You can use the new toolbox developed to serve as an interface between Abaqus and Matlab, which is Abaqus2Matlab. With this tool...

Abaqus and Matlab (Optimising the simulation parameters in Matlab by calling Abaqus as external subroutine)

You can use the new toolbox developed to serve as an interface between Abaqus and Matlab, which is Abaqus2Matlab. With this tool...

3 years ago | 0

Solved

make an eye matrix which element is 1:n

for a given input n, make an n by n matrix which contains elements 1:n for example input =5 output = [1 0 0 0 0;0 2 0 0 0; 0...

3 years ago

Solved

basics -making a matrix

make a matrix which contains input x as the last element. the intervals should be +1 ex) input = 5 output= [0 1 2 3 4 5] ex)...

3 years ago

Solved

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

3 years ago

Solved

surrounded centroid

create a [n*n] matrix. n must be odd number. its centroid is n which is surrounded by n-1. example: surround(5)= 1 2 ...

3 years ago

Solved

create a square matrix

create a [n*n] matrix. example: mat(4)= [ 1 4 9 16 4 4 9 16 9 9 ...

3 years ago

Solved

Calculate the hypotenuse of a right triangle without using ^ and sqrt ()

Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

3 years ago

Solved

Solve sin(x) without sin(x)

Calculate y = sin(x) x = 0 -> y= 0 without the use of sin(x) or cos(x)

3 years ago

Solved

Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

3 years ago

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

3 years ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Solved

N-plicate me

Modified version of duplicate and triplicate me. Repeat elements of input vector with given input n Ex: input = [1 2 3 4 5...

3 years ago

Solved

tridiagonal matrix

Given vectors u and v, make a tri-diagonal symmetric matrix such that u is in the main diagonal and v is below and above diagona...

3 years ago

Solved

Calculate inverse matrix in m by n matrix

x=(1:10)' y=roundn(2*x+7*rand(size(x)),-1) a*x=y Estimate a using inverse matrix calculation. This is principle of li...

3 years ago

Solved

Sum positive elements of matrix.

Calculate sum of positive elements of the matrix.

3 years ago

Solved

Change matrix to vector

Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

3 years ago

Solved

Two dimensional moving average

A=[1 2 3 4 5 1 2 2 2 3 2 3 3 3 4 1 1 4 4 2] B=[1 1;1 1]; % This is can be used for weight factor of moving a...

3 years ago

Solved

Triplicate me

Given an input vector, output a 3n vector with all elements of input vector repeated thrice Example : in->[1 2 3 5] out...

3 years ago