Most online guides suggest: “Increase virtual memory, simplify the model, update GPU drivers.” But a deeper approach:
This error is notorious among engineers using ANSYS Workbench (versions 15.0 through 2024). The message indicates that the core solver executable ( ansyswbuexe.exe ) has crashed unexpectedly. The mention of a “diagnostic file” suggests that ANSYS attempted to save crash logs (usually .dmp or .err files), but more often than not, that file is empty or impossible to decipher without ANSYS customer support. simplify the model
Sometimes Mechanical crashes because it doesn't know where to write temporary files. Inside Mechanical, go to . Select Analysis Settings and Solution on the left. but more often than not