Oasys LS-DYNA Environment 8.1 VOLUME 3 ... - Oasys Software

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Oasys LS-DYNA Environment: User Guide (Version 8.1) Force 20 18 16 14 12 10 8 6 4 2 0 0 1 2 3 Time 4 5 6 mag force - surf 1 mag force - surf 2 mag force - surf 3 HEMISPHERICAL DEEP DRAW Oasys T/HIS Version 7.0 5-Feb-97 Oasys T/HIS Version 7.0 5-Feb-97 Page A.54
Oasys LS-DYNA Environment: User Guide (Version 8.1) LS-DYNA Manual Section: *CONTROL_DAMPING Example of: Cantilever Beam Example Filenames: beam_free.key beam_damping.key Description: A cantilever beam is subjected to a load at the free end. The beam then vibrates relative to the equilibrium position without damping in case 1 and with damping in case 2. Model: The beam measures 1000 × 100 × 10 mm 3 and is modeled by 10 Belytschko-Tsay shell elements. A force of 10 N is applied in the z-direction at the free end. The calculation ends at 0.5 seconds. Input for the undamped system: The load at the free end is applied as two point forces. The size of these forces is controlled by load curve definition number 1 (*DEFINE_CURVE, *LOAD_NODE_SET). Input for the damped system: The same input as in the undamped case except for a global damping constant (*DAMPING_GLOBAL, *CONTROL_DAMPING). Reference: Schweizerhof, K. and Weimer, K. Page A.55
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Oasys LS-DYNA Environment 8.1 VOLUME 3 ... - Oasys Software

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