In the study, the state feedback control method is first employed to place the poles of the structure intentionally and the prescribed characteristic frequencies and mode shapes of the controlled structure are obtained accordingly.

Study on the calculation for the tensile crack depthof the cohesive baskfills;

Using the finite differential method we calculate the temperature field and frozen depth of pavement proper when the road is freezing by degrees with moisture migration.

Effects of laser processing parameters on sintering depth of polymer-coated stainless steel powder;