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/ALE/GRID/SPRING

/ALE/GRID/SPRING

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/ALE/GRID/SPRING

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/ALE/GRID/SPRING - Spring Formulation

Description

Grid nodes are connected with nonlinear springs (those springs have no effect on the material, only on the movement of the grid).

Format

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/ALE/GRID/SPRING

symbol_y

symbol_n

ratio

 

 

Vmin

 

 

 

 

 

 

 

 

 
hmtoggle_plus1Flag Definition

Field

Contents

SI Unit Example

Typical time step

(Real)

symbol_S_unit

symbol_y

Nonlinearity factor

Default = 0.0  (Real)

 

symbol_n

Damping coefficient

Default = 0.5  (Real)

 

ratio

Shear factor

Default = 1.0  (Real)

 

Vmin

Element with a volume less than Vmin will be declared

Default = -1030  (Real)

symbol_m3
hmtoggle_plus1Comments
1.This option is available for 3D analysis only.
2.Further explanation about this formulation can be found in the RADIOSS Theory Manual.