=== AFT Impulse Version 10 (2024.02.22) (Build 1110) === --- Changes that affect results --- 1. Fixed a problem with graphing pump speed if there is a speed transient applied with a standard pump curve in some cases. 2. Updated a warning to inform users when slurry flow is likely to form a stationary bed in certain pipes. 3. Modified messaging for Laminar or Non-Newtonian flow. Now, messages will be generated for any pipe in the Laminar range, rather than indicating anything about apparent correction strength. 4. Fixed an issue where a tank overflow warning could be wrongly shown for Finite Open Tank junctions. 5. Caution added for Vapor Volumes between 0.1% and 10% of a pipe section's vapor volume. "Pipe force calculations are not reliable" warning adjusted to appear if cavitation for Vapor Volumes is greater than 0.1% of a pipe section's vapor volume. 6. Fixed an issue where User Library fluids would not report a warning if they dropped below their defined minimum temperature during a Run. 7. Fixed an issue that reported Transient Junction plots in Graph Results parameters Best Efficiency Point with units of Ft3/Sec and Four Quadrant Angle with units of Degrees regardless of unit selection. --- Changes that affect interface --- 1. The frame on the Pipe Properties window, Optional tab, for the number of parallel pipes was being hidden by other controls. Moved the frame so it can be seen. 2. Fixed a problem when pasting in values to the Intermediate Pipe Elevation table the final point-to-point value was not updated which could double the length of the pipe. 3. Profile Plot titles will now display the first and last pipe numbers of the selected path, rather than the lowest and highest overall pipe numbers. 4. Fixed an issue that could cause Pressure Profile graphs to fail when at least one pipe in the flow path selection had Intermediate elevations and the scenario was reloaded after running. 5. Fixed an issue that allowed Profile Plots to be generated in cases where the required information was not selected to be saved in Output Stations. 6. Fixed an issue where selecting pipes with user-specified Output Stations on the Workspace could cause the program to become unresponsive. 7. Fixed a problem during a batch run where the results would not be saved to a text file when this option was selected. 8. Fixed an issue where opening a Gas Accumulator property window would turn off the User Preference for required parameter highlighting. 9. Limited the number of multi-scenario output to 250 scenarios to avoid file and display errors. --- Other changes --- 1. Fixed an issue where changing Scenarios while the Recovery File or Auto-Save was running could cause corruption of some model/object data. 2. Fixed an issue where SSL models would not apply scenario inheritance correctly. === AFT Impulse Version 10 (2023.12.20) (Build 1104) === --- Changes that affect results --- 1. Fixed issue where control valves set to Fully Open - Never Control in stagnant regions were not transferring the pressure from one stagnant pipe to the other. 2. Fixed an issue where using two different user defined fluids in the same pipe material would result in the same steady-state hydraulic results being calculated for those pipes. 3. When plotting the Cv or Kv over time for Control Valves there was an issue when the valve lost control and failed open because the data written to the .out file showed -1, the signal for this failure. Now the plots will not show any value and will be discontinuous. 4. Fixed an issue where the 4-Component Model referenced the Wilson Addie Clift stratification ratio when it should be set to 1 instead. 5. Fixed an issue that caused calculated Fluid Properties to be incorrect when the Environmental Properties were changed. 6. Fixed an issue where a Surge Tank with no specified tank height could still give an overflow warning. 7. Fixed issue where pipes with Circular Tunnel (Unlined) pipe supports were using the pipe modulus of elasticity as the rock modulus of rigidity. This pipe support option now requires rock modulus of rigidity as input. 8. Fixed an issue where an internal transient solver failure could cause another error that crashed the application. Now, these types of errors will fail to converge as expected and delete the output without additional failures. --- Changes that affect interface --- 1. Fixed an issue where User Default font settings in Global Layer Settings were not being saved or loaded properly in languages where a comma is used as the decimal mark. 2. Added more robust error handling for file manipulation errors commonly encountered in Library Browser. 3. Fixed an issue that caused recorded animations to not prompt for a save location. 4. Fixed an issue where Impulse occasionally could not section the pipes if the 4-Component or Wasp-Durand slurry models were used. 5. Fixed an issue where a valve specified with "From Characteristic" loss source and "Open Percentage" transient data was not correctly checking steady values against initial transient values. 6. Made error reporting improvements in Graph Results Multi-Scenario graphs. 7. Fixed being unable to cancel Batch Runs. 8. Added import of junction image sizes and pipe thickness to Workspace Layers Import. 9. Improved performance when a large number of objects are deleted from the workspace or bulk modified in Analysis Setup. 10. Fixed an issue that caused Layer Label Control Parameter Lists to load incorrectly while using certain language translation files. 11. Fixed an issue with EPAnet export that caused models with Exit Relief Valves to fail the export. 12. Fixed an issue when choosing the "Handbook" Loss Source option for Valves sometimes throwing an IndexOutOfRangeException. 13. Fixed an issue where global editing pipes to be zero length connectors could cause issues sectioning the model. 14. Fixed an issue that caused Select Working Fluid in the Startup Form to fail when a Chempak fluid was selected. 15. Fixed an issue that caused multi-parameter graphs with Elevation, EGL, or HGL selected as the first parameter to be combined for inappropriate secondary variables. 16. Pump transient data was not being cleared correctly when loading a library junction. --- Other changes --- 1. Fixed a problem causing the Warning and Design Alerts to not be exported when using the Preformatted option. 2. Update the descriptor for Stainless Steel Tubing, 1-3/4 from 14 BWG to 16 BWG to match wall thickness value. This would not change the engineering data but may cause some pipes to become undefined if models are using this. === AFT Impulse Version 10 (2023.10.23) (Build 1100) === --- Initial Release ---