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Coded.

== General Description ==


=== Element Type ===

* This element provides an geometrically nonlinear, isogeometric solid element.
* Mass computation is implemented (assumption of constant density in element).

=== Degrees of Freedom ===

The elements uses three translatoric degrees of freedom (''Disp_X'', ''Disp_Y'', ''Disp_Z'') at each control point. 

=== Parameter Description ===

{| border="1" cellpadding="3" cellspacing="0"
|colspan="3" style="background:#efefef;"| Compulsory Parameters
|-
!Parameter
!Values, Default(*)
!Description
|-
!MAT
|EL-MAT ''int''
|Linking to a material input block
|-
!INT_TYPE_SOLID_NURBS
|FULL, USER
|Control of integration type. If USER, the optional Parameter GAUSS_U (and GAUSS_V) has to be defined
|-
|colspan="3" style="background:#efefef;"| Optional Parameters
|-
!Parameter
!Values, Default(*)
!Description
|-
!GAUSS_U<br>GAUSS_V<br>GAUSS_W
|GAUSS_U = ''int''<br>GAUSS_V = ''int''<br>GAUSS_W = ''int'' 
|Number of Gauss point per element in u-, v- resp. w-direction. Must only to be defined when INT_TYPE_SOLID_NURBS = USER
|-
|}


=== Example of a Complete Input Block ===
<pre>
EL-PROP 1 : SOLID_NURBS 
  MAT= EL-MAT 1
  INT_TYPE_SOLID_NURBS = USER !or FULL
  GAUSS_U = 4
  GAUSS_V = 4
  GAUSS_W = 4
</pre>

== Element Loading ==

The SOLID_NURBS element is able to carry the following loads:
* dead load

== Benchmarks ==

The main benchmark file in the ''Carat++''-repository is 
*'../examples/benchmark_examples/isogeometric/11_isogeometric_solid/cbm_isogeometric_solid.txt'.

== References ==

<references/>