/SHEL16

Block Format Keyword

/SHEL16 - 3D Shell Elements (16 node thick shell elements)

Description

Describes the 3D shell elements (16 node thick shell elements). This 16 node thick shell elements must be used to modelize thick shell structures. The element formulation is a thick shell formulation able to provide an exact description of the bending behavior (elastic and plastic) with only one element in thickness.

Format

(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)
/SHEL16/part_ID
shell_ID	node_ID1	node_ID2	node_ID3	node_ID4	node_ID5	node_ID6	node_ID7	node_ID8
node_ID9	node_ID10	node_ID11	node_ID12
node_ID13	node_ID14	node_ID15	node_ID16

Field	Contents
part_ID	Part identifier of the block (Integer, maximum 10 digits)
shell_ID	Element identifier (Integer)
node_ID1	Node identifier 1 (Integer)
node_ID2	Node identifier 2 (Integer)
node_ID3	Node identifier 3 (Integer)
node_ID4	Node identifier 4 (Integer)
node_ID5	Node identifier 5 (Integer)
node_ID6	Node identifier 6 (Integer)
node_ID7	Node identifier 7 (Integer)
node_ID8	Node identifier 8 (Integer)
node_ID9	Node identifier 9 (Integer)
node_ID10	Node identifier 10 (Integer)
node_ID11	Node identifier 11 (Integer)
node_ID12	Node identifier 12 (Integer)
node_ID13	Node identifier 13 (Integer)
node_ID14	Node identifier 14 (Integer)
node_ID15	Node identifier 15 (Integer)
node_ID16	Node identifier 16 (Integer)

1.	The identifier must be unique in each element family, but it is advised for each element type to have a unique element identifier in the global model.

2.	The 16 node thick shell elements are treated internally as solid elements (brick_ID); they use solid materials, and solid groups (grbric_ID).

3.	The 16 node thick shell elements should be used with the properties /PROP/TSHELL and /PROP/TSH_ORTH.

4.	The 16 node thick shell elements must have a different identifier one from each other.

5.	Stress in "s" direction is not zero, but constant.

6.	If node 9 to 10 are set to zero, linear behavior is assumed on the corresponding edge.