What changed in each SpectraSim version. https://spectrasimulations.com/release-notes/ 2026-10-29T00:00:00Z Ahmad Abosrea https://spectrasimulations.com/about/ https://spectrasimulations.com/brand/app-256.png https://spectrasimulations.com/release-notes/#v0-6-0a1 2026-10-29T00:00:00Z 2026-10-29T00:00:00Z

First release of SpectraSim — acoustics, flow and heat transfer in one guided workflow, licensing with a 30-day trial, and the .spsim project file.

<p>First release of SpectraSim — acoustics, flow and heat transfer in one guided workflow, licensing with a 30-day trial, and the .spsim project file.</p><ul><li>Acoustics, flow and heat transfer in one guided workflow.</li><li>Licensing with a 30-day trial requested from inside the program.</li><li>One .spsim project file holds the settings, the CAD and the results.</li></ul><p>Experimental (results not verified yet):</p><ul><li>Compressible flow with the transonic SIMPLE solver</li><li>Compressible flow with the pseudo-transient (local time-step) solver</li><li>Inlet velocity given as a vector</li><li>Insertion loss with a radiation domain at the outlet</li><li>Mean-flow convection in the acoustic solve</li><li>JCA / JCAL absorbing-material models</li><li>Parameter sweeps</li><li>Temperature-dependent heat capacity of the gas</li></ul><p>Known issues: <a href="https://spectrasimulations.com/docs/known-limitations/">Known limitations</a>.</p>