Backlog:

• Joule-Thomson effect for gas temperature calculation.
• Darcy-Weisbach formula in simulator.
• Different gas compositions in simulator.
• GERG-2008 gas parameters calculation.
• Support multiple unit systems.
• Add elevation difference for nodes.
• Redesign UI for mobile-friendly interface.
• Fix connection lines shorter than 100m.
• Add compression stations in simulator.

18.10.2025	v.0.34	Added multi-language support
24.09.2025	v.0.33	Updated page footers with general description of the page
12.09.2025	v.0.32	Fixed component order bug in mass density calculations AGA8 Z-Factor and AGA8 Flow pages
22.06.2025	v.0.31	Fixed temperature calculation bugs AGA8 flow page
08.06.2025	v.0.30	AGA8 flow calculator (internal file)
04.06.2025	v.0.29	Panhandle A and B used in simulator for D<1000 and D>=1000
03.06.2025	v.0.28	Export and import graphs UI changes new Flow formulas: Panhandle, Weymouth
30.05.2025	v.0.27	Random graph generator
29.05.2025	v.0.26	Z-factor automatic calculation for 96% methane composition
25.05.2025	v.0.25	Multiply lines selection and change parameters CSV export Cookie settings
20.05.2025	v.0.24	Changed to m3 per hour for injections and flows
16.05.2025	v.0.23	Build and simulate modes
15.05.2025	v.0.22	Help page for simulator with animated instructions
14.05.2025	v.0.21	Values on the pages saved in browser memory
13.05.2025	v.0.20	AGA8 all 21 components
06.05.2025	v.0.19	Scripting simulator scenarios
05.05.2025	v.0.18	AGA8 Z-factor calculator
02.05.2025	v.0.17	Flow animations
27.04.2025	v.0.16	Improved velocity calculation using the Z-factor and base conditions Updated explanations in the flow calculator Added total volumes for each pipeline.
22.04.2025	v.0.15	Fixed bug in v2 calculation Simulation stops when the system remains stable for 1 hour.
20.04.2025	v.0.14	Flows are averaged with k = 0.2 every second Nodes with fixed pressure are blue.
19.04.2025	v.0.13	Adaptive number of segments Fixed graph drawing bugs Fixed flow info speed display Enable/disable individual edges.
18.04.2025	v.0.12	E, T, and Z can be defined by the user.
14.04.2025	v.0.11	Show per-segment edge pressures, flows, and volumes Auto-save and restore network and time from browser memory.
11.04.2025	v.0.10	Lines split into segments for simulation.
09.04.2025	v.0.9	Implemented long-press (taphold) to prevent immediate pop-up closure Validated and applied user inputs (injection, pressure, length, diameter) live.
06.04.2025	v.0.8	Initial Cytoscape-based editor disabled context menu tap to create/connect/delete nodes and edges Core simulation engine: pressure and volume updates Interactive play controls.