LUMPM

LUMPM, Key
Specifies a lumped mass matrix formulation.

Compatible Products: – | Pro | Premium | Enterprise | Ent PP | Ent Solver | –

Key

Formulation key:

OFF  

 — 

Use the element-dependent default mass matrix formulation (default).

ON  

 — 

Use a lumped mass approximation.

Command Default

Use the default element mass matrix.

Notes

This command is also valid in PREP7. If used in SOLUTION, this command is valid only within the first load step.

Menu Paths

Main Menu>Preprocessor>Loads>Analysis Type>Analysis Options
Main Menu>Preprocessor>Loads>Analysis Type>New Analysis
Main Menu>Solution>Analysis Type>Analysis Options
Main Menu>Solution>Analysis Type>New Analysis

Release 18.2 - © ANSYS, Inc. All rights reserved.