/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@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaC4qaiabg2 da9iabeg7aHjaah2eacqGHRaWkcqaHYoGycaWHlbaaaa@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.