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    • Rahul Ponginan

      Please click here for a short but important announcement   03/26/17

      Dear Users Our Commercial and Academic users around the world can use these same forums here as before i.e. the Altair Support Forum , Commercial users from India with solver queries can go to the Solver Forum for India Commercial Users , Academic Users from India and AOC India Participants are requested to go to the Forum for India Academic Users and AOC India Participants , We will be tending to all queries in all the forums promptly as before, thank you for your understanding. 
    • Rahul Ponginan

      Introduction to Explicit Analysis using RADIOSS.   11/02/17

      We are excited to announce the release of updated RADIOSS ebook, Introduction to Explicit Analysis using RADIOSS. We have added new tutorials, more FAQ's....etc with more topics covered. This study guide aims to provide a good introduction into the exciting and challenging world of explicit Finite Element Analysis.
      You can download the updated RADIOSS ebook here: Introduction to Explicit Analysis using RADIOSS                                                           
Ramakiran

radioss modal analysis

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Hello,

I want to know how to do a normal modes analysis in RADIOSS not optistruct as i have modeled for crash with contacts and joints and couldnt find any cards for normal mode analysis. It will be great if some one helps me and thank you in advance.

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Thank you sir, but i was modeling full vehicle for crash from scratch so i'm trying to give connections and everything so i need to check my connections integrity by doing modal analysis but if i covert to optistruct and again converting to radioss is not desirable i guess. Please help me with this.

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Is a good habit to perform a modal analysis for connection check?Please suggest me some methods to check my connection in a large assembly consist of connectors, contact, and node merge and equivalence ?

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Hi,

As mentioned before modal analysis in RADIOSS is not supported for multi component models with contacts, connectors...etc.

You can check the connectivity of the parts in a model using Quality > Check Connectivity of Tree Selection option in HyperCrash. A document on the same is attached for your reference.

The simplest approach is to go to mask panel (F5), select an element and from the extended menu option select by attached and mask. All the elements properly attached to the selected element will be masked.

check_connectivity.pdf

ank likes this

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But by masking option it will not tell how well it is connected.i.e. it will mask even two component is connected by single element.

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