Numerous bug fixes, performance tweaks, and code optimization were also implemented. New feature called "Accumulated Damage," useful for modelling structures with reduced elastic stiffness due to previous cycles of inelastic response, has been added to SDOF module. Numerous bug fixes and improvements: (i) Corrected an error in the way time step is computed during development of PI diagrams affecting the pressure asymptote (ii) corrected a bug where the SDOF analysis in "Maximum Displacement Mode" could run for too long (iii) corrected a GUI bug which occurred when the user clicked "Cancel" in the Structural Analysis Module (iv) corrected an issue with the date-time picker which could cause the program to crash upon opening *.SDOF files (v) minor GUI updates. My entry in the normal strength materials/SDOF modelling category won first place in the contest, while my entry in the high strength materials/SDOF modelling category placed second! In honour of this, I'm posting an updated version of RCBlast, with the following improvements: (i) added a perfect-plastic hysteretic model suitable for dynamic analysis of steel structures (ii) incorporated a PDF report generator to facilitate transmittal and storage of analyses (iii) corrected several bugs and improved SDOF solver performance (slightly) (iv) updated the donation screen (v) minor GUI updates, and (vi) updated the Help File.
RCBlast was used exclusively for the analysis. I'm in Phoenix, Arizona at the American Concrete Institute's Fall Convention presenting the results of an SDOF analysis I performed as part of a blind simulation contest sponsored by ACI. This feature is particularly useful for an upcoming paper I am writing since it facilitates the study of the accumulated damage phenomenon by readily outputting initial conditions for subsequent dynamic analyses. This can be accessed through the context menu by right clicking on the displacement plot. The tooltip now displays detailed information (time, SDOF displacement, velocity, & acceleration) when the user hovers over a particular point on the plot. I also updated the SDOF Displacement-Time History Plot tooltip message. Minor RCBlast software updates, including improved save/load GUI functionality and a prompt to ensure the user has saved their analysis prior to closing the software.
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