Increased Calculation Performance by Reducing the Nodal Degrees of Freedom

Technical Article on the Topic Structural Analysis Using Dlubal Software

  • Knowledge Base

Product Feature

New

02/23/2021

001416

Calculation

RFEM

The number of degrees of freedom in a node is no longer a global calculation parameter in RFEM (6 degrees of freedom for each mesh node in 3D models, 7 degrees of freedom for the warping torsion analysis). Thus, each node is generally considered with a different number of degrees of freedom, which leads to a variable number of equations in the calculation.

This modification speeds up the calculation, especially for models where a significant reduction of the system could be achieved (e.g. trusses and membrane structures).

Keywords

Calculation Performance Reduction Nodes Degree of freedom

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RFEM
RFEM

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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