Shock response spectrum ansys

1. What is shock response spectrum used for?
2. What is response spectrum analysis in Ansys?
3. What is difference between response spectrum and time history analysis?

What is shock response spectrum used for?

The shock response spectrum is a useful tool for estimating the damage potential of a shock pulse, as well as for test level specification. Note that MIL-STD-1540C and MIL- STD-810E require this format for certain shock environments.

What is response spectrum analysis in Ansys?

Response spectrum is a mode superposition linear analysis that uses the results of a modal analysis with a known spectrum to calculate displacements and stresses in the model. Three types of input excitation spectrum are supported: displacement, velocity, and acceleration.

What is difference between response spectrum and time history analysis?

Based on the result it is found that the base shear obtained from time history analysis is slightly higher compared to response spectrum analysis, this may be due to variation in amplitude and frequency content of the ground motion. consuming on the other hand response spectrum is quick but marginally uneconomical.