catenary

Calculate the catenary between two points. Useful for drawing hanging ropes, strings, chains and bridges

A dynamic catenary shader for Godot engine (hanging chains, ropes etc.)

A Python library for solving catenary equations

A desktop application that mechanically models transmission line cables.

A series of libraries to mechanically model transmission lines and provide engineering calculations.

A desktop application that models transmission cables for sagging.

A complete Matlab GUI package for designing and testing single wire oceanographic moorings and towed bodies.

铁路接触网（OCS）工程计算工具集：张力-温度、弛度、吊弦、风偏、载流量、锚段、软横跨、腕臂、支柱容量等 20 个计算器，对齐 TB/T 2809-2026，零依赖纯函数 TypeScript，228 项单元测试 | Railway overhead contact line (catenary) engineering calculators — tension, sag, dropper, wind, ampacity, anchor & more. 20 modules, TB/T 2809-2026 aligned, zero-dep pure TS, 228 tests

Interactive Slidev deck for the ERA RINF workshop: railway topology as the foundation for infrastructure data. RailTopoModel, railML 3 and the ERA ontology, direction (appliesToDirection vs signalOrientation), inference of track/OP/SoL from positions, catenary sectioning and worksite protection..

PortFolio for CATenary Shapes

Educational Python project demonstrating the variational derivation of the catenary curve and Newton’s method for solving the resulting nonlinear equation, with calculation of tension and tensile stress.

Educational Python project demonstrating the variational derivation of the catenary curve and Newton’s method for solving the resulting nonlinear equation, with calculation of tension and tensile stress.

Python program for finding catenary shapes and mass densities

Interactive bicycle drivetrain simulator: chain physics, catenary slack, chain wear, skid patches and a fixed-gear chainring/cog finder (TypeScript + Canvas)

Ropes and cables between fixed points, solved from the equations and published with everything needed to run them again.

Estimate overhead conductor tension from a span photograph - trace the catenary, perspective-corrected, with uncertainty bands - or from total station / rangefinder readings. Temperature change-of-state, winter cold checks, print-ready reports. Built for Himalayan terrain. Beta.

Desktop app for Windows and macOS: Linear Arch Static Analysis (LASA), equilibrium and form-finding of spatial compression paths under vertical and horizontal loads, funicular curves and catenaries, thrust line assessment of masonry arches.

Dependency-free catenary and sag-tension toolkit for overhead lines

CLI for comparing catenary and parabolic curves, calculating cable tension, and visualizing geometric differences with SVG, CSV, and JSON exports

C program to create Catenary curve from given Rise and Span. The output is in dxf file which can be imported to any CAD softwares.