modelling of muscle

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

hello,

         I'm working on human body. i have a bone only model. is there any option in hypermesh optistruct to model the muscle just to give mass and properties.i don't need exact shape of the muscle.just a few layers of elements attaching to the bone.

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2017

    Hi @jahnavi

     

    Since you don't need exact shape, will a point mass (CONMASS) element helps?

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2017

    apart from that is there any option sir??

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2017

    @jahnavi

     

    Right now this is one of the options. I need to check if there is any alternative method to create.

     

    But you can create a layer in any CAD tool and bring the same into HM.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2017

    sir what is the difference between conm2 and cmass elements

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2017

    @jahnavi

     

    CMASS1 is a scalar mass connection where as CONM2 is  concentrated mass in rigid form.

     

    Scalar mass elements are useful for representation of inertia properties

  • Karthic_22061
    Karthic_22061 Altair Community Member
    edited September 2017

    Hi Prakash,

    Is it possible to create Cmass elements on the grid points(nodes) of shell element as the same way in CONM2.

     

    By doing so. I got an error

    *** ERROR # 1243 ***
      Duplicate ID 58391 in SPOINT data.

     

    Where as its working fine with concentrated (CONM2) mass.

    How to define scalar point( SPOINT)

    To include the the effect of inertia... scalar mass is sufficient in model or should i call upon any special cards ?

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