*HOURGLASS

LS-DYNA Input Interface KeywordDefine solid and hourglass formulation for 8-node solid elements.

Format

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*HOURGLASS
`HGID`	`IHG`	`QH`

Field	Contents	SI Unit Example
`HGID`	Hourglass identifier used in *PART. (Integer)
`IHG`	8-node solid and hourglass formulation. = 0 (Default) The solid formulation is defined in *SECTION_SOLID. = 5 Standard 8-node solid element, one integration point. Elastic stiffness hourglass formulation with orthogonal and rigid deformation modes compensation (Belytschko). (Real)
`QH`	Hourglass coefficient. Default = 0.1 (Real)

Field

Contents

SI Unit Example

HGID

Hourglass identifier used in *PART.

(Integer)

IHG

8-node solid and hourglass formulation.

= 0 (Default): The solid formulation is defined in *SECTION_SOLID.
= 5: Standard 8-node solid element, one integration point. Elastic stiffness hourglass formulation with orthogonal and rigid deformation modes compensation (Belytschko).

(Real)

QH

Hourglass coefficient.

Default = 0.1 (Real)