Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Plaxis2D Version 2016: Dynamic Loading and Initial phase

Plaxis2D Version 2016: Dynamic Loading and Initial phase

Plaxis2D Version 2016: Dynamic Loading and Initial phase


I am modelling vibration of a generator atop a 10m deep layer of soil. I would like to, if possible, eliminate the initial phase from my analysis. My current phases are as follows:

Initial Phase (Phase 1)
Calculation Type: Gravity Loading
ΣM_weight: Varies, this is the purpose of my question
Apply Time Dependent Load (Phase 2)
Load Multiplier with Amp = 1, Phase = 0 deg and Frequency = 10 Hz.
Calculation Type: Dynamic
Dynamic Time Interval = 0.5 s
Let Vibrate (Phase 3)
No loading, free vibration
Dynamic Time Interval = 0.5s

To monitor the effects of phase 1 (which ultimately I don't care about but the program forces me to keep it), I have varied the ΣM_weight value from 0 to 30. It turns out this has no effect on the displacements or stresses. What then is the purpose of the intial phase? I understand it is to initialize stresses but how come it is having no impact on my results?

I have attached a copy of my project to this posting. Also are there any other good recommended forums for Plaxis2D program. Yeah Yeah there is always support, but its just not the same...

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


eBook - Functional Prototyping Using Metal 3D Printing
Functional prototypes are a key step in product development – they give engineers a chance to test new ideas and designs while also revealing how the product will stand up to real-world use. And when it comes to functional prototypes, 3D printing is rewriting the rules of what’s possible. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close