Here’s a concise, shareable post about Plaxis 2D 8.6 you can use on forums or LinkedIn:
For further reading, consult the original Plaxis 2D 8.6 Reference Manual (PDF, 2006) or the Bentley Communities forum under "Legacy Products". plaxis 2d 8.6
Set Element Distribution to Medium or Fine.
Check the box: Refine around clusters.
Pro Tip: Click the Refine button manually, then click on the soil elements adjacent to your wall. 8.6 allows local refinement that modern versions hide behind wizards.
1. User Interface and Workflow
Part 2: Mr. Gerber’s Red Flag
Speed and startup time: 8.6 launches in under 3 seconds, while modern versions take 15–20 seconds.
Predictable convergence: The iterative solvers in 8.6, though older, are well-understood. Modern solvers (like PARDISO) are faster but sometimes require tweaking of alpha/beta parameters.
No cloud dependency: All calculations are local. No data leaves the office.
Legacy model compatibility: Thousands of existing projects (.p2d files) were created in v8.6. Converting them to new formats can shift results slightly due to changes in default integration parameters.
Shading: The graphical output is primitive by today's standards. You cannot generate photorealistic 3D renders of the 2D section.
Structures: Visualizing plates, anchors, and geogrids is very basic. It is often difficult to visually distinguish between a strut (anchor) and a wall (plate) without checking legends carefully.