OS-E: 2045 Response Spectrum Analysis (RSA) Optimization

This example demonstrates the capabilities of OptiStruct to perform shape optimization with Response Spectrum Analysis Displacement as response.

Figure 1. FE Model


Model Files

Before you begin, copy the file(s) used in this example to your working directory.

Model Description

In this example a Response Spectrum Analysis is performed on a building structure and from this analysis, Response Spectrum Displacement Response is taken as the constrain for performing shape optimization of the building structure.
Objective
Minimize the mass
Constrains
Response Spectrum Displacement Constrain (RSDISP)
Design Variables
Shape Design Variables
Reference Guide Entries
DESOBJ, DESVAR, RSDISP, DCONSTR, DCONADD, RSPEC

Results

Figure 2. Final Design Change