![Predicting unloaded gear rattle using DRIVA - collage of graphs and diagrams.](https://www.smartmt.com/wp-content/uploads/2024/06/Predicting-Gear-Rattle-Using-MASTA-DRIVA-Modules-495x400.jpg)
Predicting Unloaded Gear Rattle Using DRIVA
All Blogs, Articles & Papers, SoftwareSenior Research Engineer, Simon Terry, looks at unloaded gear rattle: why it occurs, how it relates to engine torsional vibrations and how MASTA’s DRIVA modules can be used to accurately model rattle in a vehicle on-road scenario.
![High-Speed Ball Bearings – Dynamic Models.](https://www.smartmt.com/wp-content/uploads/2024/04/Dynamic-Models-High-Speed-Ball-Bearings-495x400.jpg)
High-Speed Ball Bearings – Dynamic Models
All Blogs, Articles & Papers, SoftwareWe look at the dynamic modelling of ball bearings, and the benefits of this approach when analysing high-speed ball bearings.
![Predicting spline rumble analysis in MASTA CAE Software.](https://www.smartmt.com/wp-content/uploads/2024/03/Predicting-Spline-Rumble-SMT-MASTA-495x400.jpg)
Predicting Spline Rumble
All Blogs, Articles & Papers, SoftwareWe look at how to predict rumble in a modern EV gearbox using MASTA, covering quasi-static analysis, a time stepping analysis and manufacturing errors to see how different errors contribute to rumble.
![High Speed Ball Bearings - Challenges and Analysis.](https://www.smartmt.com/wp-content/uploads/2024/02/Challenges-Analysis-High-Speed-Ball-Bearings-495x400.jpg)
High-Speed Ball Bearings – Challenges and Analysis
All Blogs, Articles & PapersThis article explores and focusses on the behaviour of ball bearings at high speed, but much of it is also relevant to roller bearings.
![Electric drivetrain, graphics and more.](https://www.smartmt.com/wp-content/uploads/2024/01/Sidebands-In-Gear-Noise-Due-To-Manufacturing-Errors-Caroline-Poyser-495x400.jpg)
Sidebands In Gear Noise Due To Manufacturing Errors
All Blogs, Articles & PapersDiscover how the automotive industry uses a high-fidelity MASTA analysis for NVH in electric vehicle drivetrains. This article explores the interplay of manufacturing errors, gear whine, and resulting noise.
![](https://www.smartmt.com/wp-content/uploads/2023/04/Modal-Testing-Validation-of-an-EV-Gearbox-Model-–-Part-3-Bearing-Connection-Methods-SMT-Blog-Header-1-495x400.jpg)
Modal Testing Validation Of An EV Gearbox Model – Part 3, Bearing Connection Methods
All Blogs, Articles & Papers, NewsPart 3 includes a full gearbox casing made of two separate halves bolted together and gearbox internals of gears, shafts and bearings.
![](https://www.smartmt.com/wp-content/uploads/2023/03/Modal-testing-blog-Part-2-Image-4-495x400.png)
Modal Testing Validation Of An EV Gearbox Model – Part 2, Casing Bonding Methods
All Blogs, Articles & Papers, NewsPart 2 expands on this research by including a full gearbox casing made of two separate halves bolted together.
![](https://www.smartmt.com/wp-content/uploads/2023/02/modal-testing-blog-part-1-featured-image.png)
Modal Testing Validation Of An EV Gearbox Model – Part 1
All Blogs, Articles & Papers, NewsWe show you validation work of MASTA software against NVH modal test data on a single-speed, two-stage EV gearbox casing half.
![NAFEMS July 2022 magazine cover 'bench mark - simulation is our reality'.](https://www.smartmt.com/wp-content/uploads/2022/11/NAFEMS-Stresses-at-Roller-Rib-Contacts-in-Cylindrical-Roller-Bearings.jpg)
Stresses At Roller-Rib Contacts In Cylindrical Roller Bearings
All Blogs, Articles & Papers, NewsAccurately calculating contact stresses is important during the design, analysis, and optimisation of drivetrains.