![]() ![]() Maximum deflections, and thus, the maximum stresses for the system. By "any SDOF system", it is meant a SDOF system Spectrum, it is possible to predict the maximum response for any SDOF The maximum response of any single degree of freedom (SDOF) system toĪ dynamic base excitation. “-” if you want the summed results subtracted. Positive) added to the other loads in the load combination. Use “+” if you want the summed RSA results (which will be all The "RSA SRSS" flag for the combination to "+" or The multiple RSA results using an SRSS summation. If you do this you can also have RISA- 2D combine To scale the spectral results enter the spectra-scaling factorĬan include more than one spectra solution in a single load combination.In the BLC column enter " SX" or " SY" as the BLC entry ( SXįor the X direction RSA results, SY for the Y direction RSA results). ![]() Running the response spectra analysis go to the desired combination on The Dynamic Solver options are located in the Model Settings - Solution tab Advanced options.To create a load combination on the Load Combination spreadsheet To view model results such as forces/deflections/reactions you will need Spreadsheet and the participation yielded by the RSA is listed. Of the solution you are returned to the Frequencies and Participation Then specify the otherĪ more thorough explanation of the Eigensolution options refer to Dynamic Analysis - Eigensolution. The spectra to be used for each direction. Indicate which directions you want to perform your response spectra analysis. Model can be approximated as a summation of the responses of the independentĭynamics (Eigensolution / Response Spectra) from the Solve ![]() Procedure is based on the assumption that the dynamic response of a structural In general, the response spectra analysis Dynamic Analysis - Response Spectra Dynamic Analysis - Response SpectraĪnalysis may be performed after the dynamic analysis to obtain forces, ![]()
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