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Multiple Loads/pressures/gravity in hypermesh

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

Hi,

 

I cannot find clear tutorials or topics about how to apply multiple loads on a model.

I need hydrostatic pressure, gravity, and multiple point loads.

Anyone able to help?

 

Best regards,

 

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    User: "tinh"
    Altair Community Member
    Updated by tinh

    Same type or same purpose loads are grouped into a load set (load collector)

    Load sets are combine by load collector 'LOAD' which refered by loadstep

    Every tutorials guide that, dont you see?

     

    User: "Sanjay Nainani_20973"
    New Altair Community Member
    Updated by Sanjay Nainani_20973

    Hello,

     

    What type of analysis are you trying to do?

     

    For multiple loads, first as said you need to organize the same type of loads in a single load collector then create a loadstep to combine the different types of loads. The type of loadstep will depend on the type of analysis you are trying to do.

     

    Thank you

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

    Hello,

     

    Thanks for the reply!

    I have this bow section of a ship and need to add constrints, hydrostatic pressure, extra pressure due to sailing, wave loads, self weight (gravity), component point loads (machinery), and forces (torsional and bending moments) due to movements of the vessel.

     

    I think I have to organize individual load collectors for:

     

    -all hydrostatic pressure and additional hydro pressure + wave loads

    -gravity self weight

    -components point loads

    -torsional and bending moments

     

    Is that correct? 

     

    And when creating loadstep, do I have to choose the same constrainst in every loadstep?

    And how to choose what type of loadstep for the different analysis?

     

    Thanks a lot in advance,

     

    best regads,

     

    Joep

     

     

    User: "Sanjay Nainani_20973"
    New Altair Community Member
    Updated by Sanjay Nainani_20973

    Hello,

     

    After creating all the loads you can combine all of them into a single 'Load collector' whose card image should be 'LOADADD'. 

    image.png.e3abc406c98f199bddc667bd9fc8857c.png  

     

    image.png.6b353f96ce83fa3f2987d74a59be4ee6.png

     

    S1 is the scale factor.

     

    Select all the loads in this load collector.

     

    Then i think you can do a linear static analysis. In that reference the constraint and in place of 'Load' reference the 'LOADADD' load collector.

     

    You can reference the following type of loads in the 'LOADADD' card. 

     

    <?xml version="1.0" encoding="UTF-8"?>image.thumb.png.65665742af418a8449d88a97d45c6c7c.png

     

     

    You can also refer the help section for more information.

     

    Thankyou

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

    Thanks!

    I think this worked.

    User: "svez"
    Altair Community Member
    Updated by svez

    Hello,

     

    After creating all the loads you can combine all of them into a single 'Load collector' whose card image should be 'LOADADD'. 

    <?xml version="1.0" encoding="UTF-8"?>image.png.e3abc406c98f199bddc667bd9fc8857c.png  

     

    <?xml version="1.0" encoding="UTF-8"?>image.png.6b353f96ce83fa3f2987d74a59be4ee6.png

     

    S1 is the scale factor.

     

    Select all the loads in this load collector.

     

    Then i think you can do a linear static analysis. In that reference the constraint and in place of 'Load' reference the 'LOADADD' load collector.

     

    You can reference the following type of loads in the 'LOADADD' card. 

     

    <?xml version="1.0" encoding="UTF-8"?>image.thumb.png.65665742af418a8449d88a97d45c6c7c.png

     

     

    You can also refer the help section for more information.

     

    Thankyou

    And if you have TLOADs?