Assertion: perturbation's effect | /r/HasProperty | taken into account
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Source sentences:
text: Nevertheless, when viscous effects are taken into account (Section 7.5.2(c)), stiffness terms do arise and they can become negative, rendering divergence possible, although, in this case also, the dominant mechanism for loss of stability is flutter.
text: It is seen that the fluid damping term, q C (equivalent to q 1 in equation [7.99]), becomes zero when these effects are taken into account, whereas if they are not (as for q 1 in Figures 7.32 and 7.35) a positive or negative flow-induced damping is predicted.