*REBAR
3
2
1
4
Similar to
edge 1 or 3
S
imilar to
e
dge 2 or 4
1 1-2
2 2-3
3 3-4
4 4-1
Edge Corner node
s
4
2
2
3
1
1
physical space isoparametric space
Figure 17.10–2 “Isoparametric” rebar in a three-dim ensional shell or membrane.
Data lines to define skew rebar in three-dimensional shell elements:
First line:
1. Elementnumber or name of the element set that contains these rebar.
2. Cross-sectionalarea of each rebar.
3. Spacing of rebar in the plane of the shell. The default is 1.0.
4. Positionof the rebar in the shell secti ont hickness direction. This value is given as the distanc e
of the rebar from the middle surface of the shell, positive in the direction of the positive normal
to the shell. This value is modified if the NODAL THICKNESS parameter is included with
the *SHELL SECTION option of the underlying shell element.
5. Angularorientation of rebar (in degrees) between the positive local 1-direction and the rebar.
The optional ORIENTATIONparameter give n on the *SHELL SECTION option should have
no influence on the rebar angular orientation.
Repeat this data line as often as necessary. Each line defines a layer ofrebar.
Data lines to define skew rebar in three-dimensional membrane elements:
First line:
1. Elementnumber or name of the element set that contains these rebar.
2. Cross-sectionalarea of each rebar.
3. Spacing of rebar in the plane of the membrane. The defaultis 1.0.
4. Angularorientation of rebar (in degrees) between the positive local 1-direction and the rebar.
Theoption al ORIENTATIONparameter given on the *MEMBRA NE SECTION option should
have no influence on the rebar angular orientation.
Repeat this data line as often as necessary. Each line defines a layer ofrebar.
17.10–4
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