Tracked with pneumatic stiffness, transfer equation of external pressure to internal and Helmholtz frequence, frequence-shift characteristics for roof structures with idealized closed wall and with wall having opening, and similarity criterion theory for pneumatic stiffness are discussed, the key action of wall flexibility in theoretical study is considered.

Wind-Induced dynamic response of the membrane structures belongs to fluid-structure coupling interaction, which includes coupling factors-added air-mass and pneumatic stiffness.

Analysis on influence of supporting stiffness on rotor dynamics property of steam turbine;

This frequency is brought into the transfer matrix method,which contains unknown quantity of the supporting stiffness.

The characteristics of a gas turbine engine with ERSFD including the supporting stiffness of the elastic ring,the distribution of pressure field and oil film damping were investigated by taking advantage of the elastic deformation of the elastic ring.

The Research on Bearing Spacing and Bearing Stiffness of Urban Rail Transit;

Long-term investigations show that the most effective measure is the disposal and adjustment of the bearing stiffness of subsoil as well as the difference settlement control for the pile foundations.

Because bearing stiffness have an effect on interface rotation spee.

Effect of bearing stiffness on ship shafting system vibration performance

In this paper, by analyzing the stiffness of pedestal of a airborne radar, we can see the effect of bearing stiffness on the inherent frequency of pedestal.