What's new?

3. PENTAGON-3D 　 2002.9.2 - Duncan-Chang model is updated. Correlated report : pdf document file   Duncan-Chang model in PENTAGON : page1 , page2 　 2002.8.24  - Now, you can create the truss element by input of the coordinate.  ScreenCam files - coordTo1.exe(2,420kb), coordTo2.exe(698kb) 　 2002.6.21 - Time-history dynamic analysis, such as, Time_history and Ground_motion stages are updated. -If the analysis is not converged on the time_history and/or ground_motion stage, please check on the 'stiffness reformation' option and check on the 'Rayleigh damping'. -If 'Max. No of Iteration' is greater than one, nonlinear time history analysis is conformed, but if 'Max. No of Iteration' is less and equal than one, linear time history analysis is conformed. 　 < Last Update of this page : 2002. 9. 3 >