Ajay Goyal

10 Questions 12 Answers 0 Followers

Questions related from Ajay Goyal

How may I arrange certain points in a geometry using a reference geometry?

I have two geometries (Say A and B) with known x,y,z coordinate. These geometries are similar but not of exact shape and size. Let me for now consider them in 2D for understanding. A is supposed...

04 January 2022 1,147 3 View

How to assign a material model that allows input of stress strain graph in Ansys APDL?

Dear Sirs, Hello! Previously in my FE models I was using structual>linear>isotropic>linear material properties. So, I give the single value of Young's modulus and Poisson's ratio to the...

12 August 2021 2,754 1 View

How to apply symmetry boundary condition at one part of assembly without applying to other part?

I am working in LS DYNA. However, my question is general for any FEM based software user. I have two cuboidal parts (one small cube over a larger cube). I wish to apply symmetry boundary...

04 November 2019 6,278 3 View

How can I merge two solid meshes (intersecting) in one?

I have two solid geometries intersecting each other (a cuboid and a cylinder). I have developed independent meshes in LS Dyna. Now I want to combine the meshes in one. Please help.

30 October 2018 7,896 4 View

What is the difference between INITIAL_DETONATION and LOAD_LOAD_SEGMENT_SET in LS DYNA?

Dear Sirs / Madams, I am working on a blast based problem in LS DYNA. I am stuck at a point and therefore, I seek for help. The problem is stated as under: A human dummy is lying on sand (soild...

28 August 2018 3,826 3 View

How to convert time domain equation in frequency domain equation?

I need to convert Maxwell equation de/dt=(1/E)(ds/dt)+(s/n) into frequency domain equation. Here e=strain, E,n=constants, s=stress. If anyone has some idea, please let me know.

14 December 2016 7,545 3 View

Can anyone help me with fourier series of a signal?

I got a signal as attached. My doubt is can I break the signal in a triangle and a straight line, then calculating fourier series for each. In other words, should I calculate fourier series of...

11 August 2016 6,635 4 View

How can I get the equivalent signal of one frequency from a signal with number of frequencies one after the other?

I have a signal with 17 number of frequencies (1Hz to 17Hz with increment of 1Hz). 1Hz frequency is followed by 2Hz, 2Hz is followed by 3Hz,4Hz,5Hz....17Hz. I want to obtain a signal with one...

12 October 2015 7,760 1 View

How can I get mathematical expression of input and target in artificial neural network?

I have four input vectors of (1*36) matrix each and one output vector (1*36). I want to develop a coding using ANN which not only process and train the network but displays how processing is going...

07 April 2015 7,322 9 View

How can I calculate centroid of a shape when boundary co-ordinates are known?

How could i calculate centroid of a shape whose boundary coordinates are known

20 March 2015 4,275 2 View