Characteristics of Jerk Response Spectra for Elastic and Inelastic Systems
Table 1
Significance of dynamic parameters and research level.
Dynamic parameters
Physical meaning
Dynamical meaning
Research extent
Integral displacement with respect to time
(1) Work done by a unit force within a unit time (2) Energy change for a unit force within a unit time
Rate of change of energy with respect to time for a point mass
Needs further study
Displacement
Change of position within a unit time
(1) Displacement for a point mass (2) Deformation for a point mass
Comprehensively studied and widely used
Velocity
Change of displacement within a unit time
(1) Velocity or speed for a point mass (2) Deformation rate for a point mass
Comprehensively studied and widely used
Acceleration
(1) Change of velocity within a unit time (2) Kinetic energy change for a point mass within a certain time
(1) Rate of change of velocity with respect to time for a point mass (2) Instantaneous force for a point mass
Comprehensively studied and widely used
Jerk
(1) Change of acceleration within a unit time (2) Force change for a point mass within a certain time
(1) Rate of change of acceleration with respect to time for a point mass (2) Rate of change of instantaneous force for a point mass (3) Impact effect for a point mass
