Quadrangle Surface

  • Dlubal glossary

Glossary Term

This surface type from RFEM describes a general trilateral or quadrilateral surface. Boundary lines can be straight lines, but also arcs, polylines or splines.

Since the lines do not necessarily have to rest in one plane, you can use this surface type to model curved surfaces, such as shells or membranes.

Complex geometries can be modeled by a suitable distribution into surfaces with four or three lines. RFEM generates the corresponding quadrangle surfaces from the geometrical conditions of the boundary lines.

When generating an FE mesh, curved surfaces are utilized by planar elements. The inclination angle of the finite elements from the plane can be set in the FE mesh settings in the "FE mesh" dialog box.

Keywords

Quadrangle Shell Membrane

Reference

Links

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RFEM Main Program
RFEM 5.xx

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

Price of First License
3,540.00 USD