Michael Kihl

5 Questions 8 Answers 0 Followers

Questions related from Michael Kihl

Hi, can anyone tell my why i get twisted/wrong mode shapes in MATLAB when using solid8-program ?

Hi, i have developed a FEM program for MATLAB, but i keep getting twisted mode shapes, starting from mode one. i suspect i could be the K-matrix, but i cant find the mistake. Hope someone has had...

12 December 2018 1,217 2 View

How to convert ANSYS(Harwell-Boeing) stiffness matrix to MATLAB?

Hi, I have tried to convert ANSYS(Harwell-Boeing) stiffness and mass-matrix to MATLAB-format. I obtain the matrices as sparse matrices in a txt file. I would like to covert them to ''full or...

12 December 2018 6,974 0 View

How to create a random bit combinations with spcified number of ones using matlab?

I wan to create random combinations of the collumns in a matrix 9*120, but the number of one must not exeet 9. I want to use this as a population for a genetic algoritme. An example...

11 November 2018 7,328 5 View

How to covert time domain data to Laplace domain using MATLAB?

Hi, The following is programmed in MATLAB: I have a system or structure which are exited by a shaker, i obtain the response in the form of time domain accelerations using Newmark-time...

09 September 2018 9,913 5 View

How to optimize the distance between a vector and a plane using genetic Algorithm?

How to optimize the distance between a vector and a plane using genetic Algorithm in MATLAB Hey, I am trying to optimize the distance between a vector, ‘’b’’ of size 8*1 and a plane ‘’C’’. I...

05 May 2018 1,714 6 View