{"ok":true,"trend":{"id":658421,"platform":"hn","region":"global","key":"openradioss is not open anymore","title":"OpenRadioss is not open anymore","url":"https://www.siemens.com/en-us/products/simcenter/mechanical-simulation/radioss/rd/","first_seen":"2026-10-01T22:05:39.997329Z","last_seen":"2026-10-01T22:20:39.784895Z","last_rank":29,"peak_rank":29,"last_volume":8,"peak_volume":8,"seen_count":2,"score":0.5003125,"category_hint":null,"section":null,"category":null,"summary":"OpenRadioss, the open-source crash and impact simulation code forked from Altair's Radioss, is at the centre of concerns that it may no longer remain truly open. Attention follows Siemens' Radioss product page, prompting developers and engineers to question the project's licensing and governance, and what the change means for anyone relying on the free solver in their simulation workflows.","why":"Unclear","tone":"mixed","entities":["OpenRadioss","Siemens","Altair","Radioss"],"summarized_at":"2026-10-01T22:07:25.273981Z","meta":{"lang":"en","link":"https://www.siemens.com/en-us/products/simcenter/mechanical-simulation/radioss/rd/","hn_id":"49927392","comments":9},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"OpenRadioss and the future of an open crash code","timeline":[{"captured_at":"2026-10-01T22:05:39.997329Z","rank":29,"volume":4},{"captured_at":"2026-10-01T22:20:39.784895Z","rank":29,"volume":8}],"posts":[{"platform":"hn","url":"https://news.ycombinator.com/item?id=49927392","author":"hdrz","title":"OpenRadioss is not open anymore","snippet":null,"posted_at":"2026-10-01T21:41:36Z","likes":8}],"elsewhere":[],"window":"7d"}}