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Motorcycle Motion View Model - for Load Calculation

User: "Sudhanshu Kashyap"
Altair Community Member
Updated by Sudhanshu Kashyap

Hi Everyone,

I am in the process of making a motorcycle model in motion view and wanted to get the forces on each components under several Loading cases.

I am interested in finding the forces under vertical bump condition on front and rear wheels.

But, I am facing some problems in generating the results. As, the system has been run but still no results were generated.

Can anyone help me in this. I am uploading <.mdl>file.

<?xml version="1.0" encoding="UTF-8"?>2.thumb.PNG.ab8a00461961d4673d21715f7ffb595c.PNG

Unable to find an attachment - read this blog

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    User: "Sudhanshu Kashyap"
    Altair Community Member
    OP
    Updated by Sudhanshu Kashyap

    Hi Everyone,

    I am in the process of making a motorcycle model in motion view and wanted to get the forces on each components under several Loading cases.

    I am interested in finding the forces under vertical bump condition on front and rear wheels.

    But, I am facing some problems in generating the results. As, the system has been run but still no results were generated.

    Can anyone help me in this. I am uploading <.mdl>file.

    <?xml version="1.0" encoding="UTF-8"?>2.thumb.PNG.ab8a00461961d4673d21715f7ffb595c.PNG

    I have imported the frame as cad file , not .fem file.

    Unable to find an attachment - read this blog

    User: "Chris Coker_21312"
    New Altair Community Member
    Updated by Chris Coker_21312

    Your frame graphic h3d is a graphic, not a flexbody.  I would recommended initially running the model without a flexbody, to get things fully debugged.  Then, create the flexbody and add it to the model.

     

    So, in short, uncheck the FlexBody (CMS) feature until you get a proper flexbody created to use with the model.

     

    Regards,

    Chris

    User: "Chris Coker_21312"
    New Altair Community Member
    Updated by Chris Coker_21312

    Another quick observation on your model.

     

    The mass and inertia values of your model are all 'zero'.  You will not get a valid solution to the basic equation F=m*a if all your 'm' are zero.

     

    Kind regards,

    Chris

    User: "Praful"
    Altair Employee
    Updated by Praful

    Hi Sudhanshu - I see couple of problems with the current model.

     

    1) Mass/Inertia for all the bodies are zero. You need to fix it.

    2) Graphic h3d cannot be used as a flex body. You need to generate a flexbody h3d via Flexprep tool.

     

    regards

    praful

    User: "Sudhanshu Kashyap"
    Altair Community Member
    OP
    Updated by Sudhanshu Kashyap

    Hi Sudhanshu - I see couple of problems with the current model.

     

    1) Mass/Inertia for all the bodies are zero. You need to fix it.

    2) Graphic h3d cannot be used as a flex body. You need to generate a flexbody h3d via Flexprep tool.

     

    regards

    praful

    Thanks Praful for your reply.

    How to convert flexbody h3d via flexprep tool ? As I don't have .fem file , All I have is the cad part file as a Input which I have imported as a Geometry in Motion View.

    User: "Chris Coker_21312"
    New Altair Community Member
    Updated by Chris Coker_21312

    The CAD needs to be meshed to create a .fem file.  Then you can use the Flexprep tool once you have created the .fem