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Impact Analysis With RADIOSS

User: "Altair Forum User"
Altair Forum User
Altair Employee
Updated by Altair Forum User

Dear Altair team,

The fact is that I'm about to execute an academic project as Quasi-Static-Analysis with RADIOSS, so I've got several problems due to my level of beginner in that field and also to the complexity of that mechanism; for this reason I'm  writing on this forum in the hope to find some answers to my questions.

Firstly I would like to know how to define the impact force between two solids (impactor+head) and as a consequence the path of the energy flowing through the mechanism?

The second point is how to create a pre-stress in a bolt?

P.S.: I've attached a file with a picture, which shows the form and the components of the mechanism.

 

Thank you so much in advance.

Best Regards

Lamzoughi

Unable to find an attachment - read this blog

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    User: "Altair Forum User"
    Altair Forum User
    Altair Employee
    OP
    Updated by Altair Forum User

    Hi Lamzoughi,

    For this loading you have to apply the load using /CLOAD (concentrated force) option where you have to create a Force vs Time function. Between the impactor and head create a Type 7 interface and also necessary contacts between the parts.

    And create a rigid for the below nodes and create an output block for the rigid (/TH/RBODY) from which you can extract the required forces using the time history file (T01) in HyperGraph.

    Capture2.PNG

     

    Since you are a beginner please go through our tutorials in Help menu and also go through https://www.youtube.com/watch?v=CxM52wP3_ew&list=PLQ7KUGFuVz4u5y3SvIEIU07427-gATaG6  which is a webinar on RADIOSS.

     

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