You can download TNX Tower free trial version from the official DNV GL website:
| Software | Description | Suitable for Towers? | |----------|-------------|----------------------| | | Static/dynamic analysis of 3D frames. Free, open-source. | Basic lattice towers. | | OpenSees | Advanced structural simulation. Steep learning curve. | Yes, with scripting. | | CalculiX | FEA for 3D structures. Free. | Yes, but complex. | | SAP2000 Demo | Limited node version available. | Limited. | Tower Numerics tnxTower Free Download
For lattice towers: + manual TIA-222 checks using reference spreadsheets or the free NESC Handbook online tools. You can download TNX Tower free trial version
Tower Numerics’ tnxTower is widely regarded as an industry-standard software for the analysis and design of guyed, self-supporting, and monopole communication structures. Engineers and tower designers rely on it for structural integrity checks, load analysis, and code compliance. | Basic lattice towers