Linear and nonlinear evolutions of the resistive wall mode(RWM) were numerically carried out with different plasma density *** stabilizing and destabilizing effects were *** plasma density shear had a stabilizing effe...
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Linear and nonlinear evolutions of the resistive wall mode(RWM) were numerically carried out with different plasma density *** stabilizing and destabilizing effects were *** plasma density shear had a stabilizing effect on the RWM,and the stabilizing effect was better as the plasma density shear rate *** the uniform density plasma,the effects of flowshear on the RWMstability were stronger than those for non-uniform density *** lower flowshear,the effects of the plasma density shear rate on the RWMwere more *** the nonlinear phase,the repulsive force associated with the piling up magnetic flux near the resistive wall prevented further growth of perturbed magnetic energy,and the RWMwas *** saturation levels were almost independent of the density profiles.
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