/IMPL/DYNA/DAMP

Engine Keyword Rayleigh structure damping with dynamic implicit analysis.

Format

/IMPL/DYNA/DAMP

α β

Definition

Field Contents SI Unit Example
α Coefficient  
β Coeffcient  

Comments

  1. Rayleigh damping computation:(1)
    C=αM+βK MathType@MTEF@5@5@+=feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaC4qaiabg2da9iabeg7aHjaah2eacqGHRaWkcqaHYoGycaWHlbaaaa@3D95@
  2. /DAMP defined in Starter has no effect on implicit run, this option takes the stiffness matrix setup by implicit option (not the case in explicit run) to calculate the Rayleigh damping matrix.