Farm Shredder Frame

Problem submitted Wed Apr 17 14:31:06 2019
Input file shredder.fem


Problem summary


  • Finite element model information
      Number of nodes:    816
      Number of elements:    929
      Number of degrees of freedom:    4889
      Number of non-zero stiffness terms:    127919

    • Elements
      Number of BAR elements:    177
      Number of QUAD4 elements:    752

    • Loads and boundaries
      Number of SPC sets:    1

    • Materials and properties
      Number of PBAR cards:    1
      Number of PSHELL cards:    2
      Number of MAT1 cards:    1
  • Subcases & loadcases information

    • Frequency subcases

      Subcase ID    SPC ID    Mode #    Weight

      1 2 10
      1 1.00
      3 0.00
      4 0.00

  • Optimization problem parameters
      Objective function: Maximize Frequency

    • Response summary

      Number of mass responses:    1
      Number of mass fraction responses:    0
      Number of volume responses:    0
      Number of volume fraction responses:     0
      Number of cog responses:     0
      Number of inertia responses:     0
      Number of property responses:     0
      Number of section property responses:     0
      Number of enclosed volume responses:     0
      Number of compliance responses:    0
      Number of thermal compliance responses:    0
      Number of frequency responses:    2
      Number of buckling responses:    0
      Number of displacement responses:    0
      Number of eigenvector responses:    0
      Number of temperature responses:    0
      Number of SPCF responses:    0
      Number of GPF responses:    0
      Number of GPS responses:    0
      Number of Gasket Press responses:    0
      Number of Cnt Pressure responses:    0
      Number of resultant responses:    0
      Number of FR displacement responses:    0
      Number of FR velocity responses:    0
      Number of FR acceleration responses:    0
      Number of FR pressure responses:    0
      Number of FR ERP responses:    0
      Number of FR Power Flow responses:    0
      Number of PSD displacement responses:    0
      Number of PSD velocity responses:    0
      Number of PSD acceleration responses:    0
      Number of PSD pressure responses:    0
      Number of RMS displacement responses:    0
      Number of RMS velocity responses:    0
      Number of RMS acceleration responses:    0
      Number of RMS pressure responses:    0
      Number of MBD displacement responses:    0
      Number of MBD velocity responses:    0
      Number of MBD acceleration responses:    0
      Number of MBD force responses:    0
      Number of MBD expression responses:    0
      Number of equation responses:    0
      Number of external responses:    0
      Number of ESL velocity responses:    0
      Number of ESL acceleration responses:    0
      Number of multi-model responses:    0
      Number of stress responses:    0
      Number of strain responses:    0
      Number of failure responses:    0
      Number of force responses:    0
      Number of comp. stress responses:    0
      Number of comp. strain responses:    0
      Number of comp. failure responses:    0
      Number of fatigue responses:    0

    • Constraint summary

      Number    Response type    Bound type    Subcase ID    Grid/Mode/Element    Displ/Stress    Bound value
              PID/MID  

      1 MASS UPPER - - TOTL 0.180E+01
      2 FREQ LOWER 1 4 - 0.600E+01

    • Design parameters summary

      Number of user-defined sizing design variables:    5
      Number of user-defined design variables:    5


    Results summary (last iteration)


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  • Design history
  • Subcase 1 - ld1

        Mode: 1
        Freq: 1.03 Hz

        Mode: 2
        Freq: 1.53 Hz
        Mode: 3
        Freq: 6.34 Hz
        Mode: 4
        Freq: 8.15 Hz
        Mode: 5
        Freq: 7.36 Hz
        Mode: 6
        Freq: 7.36 Hz
        Mode: 7
        Freq: 7.36 Hz
        Mode: 8
        Freq: 7.36 Hz
        Mode: 9
        Freq: 7.36 Hz
        Mode: 10
        Freq: 7.42 Hz


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