Recent content by Gunjan

I have been trying to find out ways to model it with that software. It almost seems like something that would be similar to a spherical spring pendulum problem but having trouble defining the length of the spring. I would think the length could be an important parameter when comes to...

This is just a side project, and that is why I was trying to do it with the software. Also faster I can get the result, better it is. Where again that software would come handy. On the other hand I am not a pro computer programmer either.

Thanks for the steps Dr. D. This sounds like a good solution analytically for sure. I was wondering if I could get an advice on doing this numerically with the commercial software Comsol. I would think the current physics would be similar to that of a spherical pendulum motion or vehicle...

I have thought about it a bit further and in this system there will only b total 6 DOF (3 translational and 3 rotational). In this preliminary diagram I just have the initial 2 spring/dampers attached to the platform that is free to swing in any direction. The points where the springs connect...

Sorry I would add 2 more DOF to the platform for its sway motion along x and y-directions.

At the moment I would go for 6 DOF. Roll, pitch, heave and yaw for platform and two spring/damper that will make the platform hang from the outer shell. My degrees of freedom could go up if connect more attachments between the platform and the shell in future. This could very well be analogous...

Sorry I should have added. Both the shell and the platform will act as rigid body. Input motion will be constant but to model different input motions I can always run multiple simulations for this particular case.

Thank you for your input. My background is in modeling but mostly in the fluid dynamics domain. I have used Fortran programming during the earlier years but switched to Comsol software afterwards. I have indeed looked at the suspension model, which I believe is also an example model in Comsol...

Hello there, Thanks for your reply. I will try to be a bit more specific here. My target model will be an elliptical shell attached with a trapezoidal prism platform by a number of spring/dampers. The idea will be to model the movement of the platform in all three directions (x, y, z) as a...

Hello everyone, I am new here, and wondering if anyone would have some knowledge on a current problem I have been working on. I am trying to create time- and frequency domain 3D models of an object hanging using a spring from a fixed point within a shell. I am trying to figure out how the...