Users:Structural Optimization/Design Variables/Control Points

Contents 1 General Description 1.1 Short Info 1.2 Parameters in the Input File 1.3 Example of a Complete Input Block 2 A complete test example 2.1 Model description 2.2 Input File 2.3 Documented Results 3 Theory and Details 4 References

General Description

Short Info

Platzhaltertext (diese gesamtseite ist noch zu schreiben, nur das format ist bereitgestellt).

Die verschiedenen Version erklären, evtl. in Tabelle: DIR, NDIR, Node Plane, NodeVec

Gehört NodeSpaceBound auch in diese Gruppe? Dann evtl. auch das source-File in den entsprechenden Unterordner schieben.

evtl ein bild zur erklärung

referenzen wie diese: ^[1].

Parameters in the Input File

Compulsory Parameters
Parameter	Values, Default(*)	Description
MATERIAL	EL-MAT int	Linking to a material input block
INT_TYPE_HEXA	FULL, REDUCED	Control of integration type 20-noded elements are able to perform a uniform reduced integration (2x2x2 instead of 3x3x3) without hourglassing stabilisation
Optional Parameters
Parameter	Values, Default(*)	Description
EAS	int	Flag Enhances Assumed Strains (EAS) method Possible values are: 0* = EAS off 9 = full and locking free linear strains can be described (recommended for one axial bending) 15 = ellimination of parasitic bi-linear strains 24 = full and locking free bi-linear strains can be described (recommended for two axial bending) 30 = full tri-linear strains can be described

Example of a Complete Input Block

bla bla blub bla bla

EL-PROP 1: SOLIDHEXA1
MAT           = EL-MAT 1
INT_TYPE_HEXA = FULL
EAS           = 0

A complete test example

Model description

blabla mit bildern

• 

  HEXA8

• 

  HEXA8EAS9

Input File

bla

Documented Results

bla

Theory and Details

bla

References

1. ↑ U. Andelfinger, E. Ramm: „EAS-Elements for two-dimensional, three-dimensional, plate and shell structures and their equivalence to HR-Elements“, in „International Journal for Numerical Methods in Engineeering“, Vol. 36, 1993, pages 1311-1337

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