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Calculation of Shear Areas and Torsional Constant using the Boundary Element Method with Scada Pro
13
4.4 Cross-Section 4
(Dimensions in
mm
)
Img. 4.4. Cross-Section 4: Box shaped Cross-Section.
Table 4.4. Cross-Sectional Properties of Cross-Section 4.
Variables
Scada Pro - BEM NASTRAN - FEM [4.1]
Divergence (%)
A(m2)
5.90222
5.90222
0.00
Iyy(dm4)
358398.38916
358399.00000
0.00
Izz(dm4)
30854.50044
30854.50000
0.00
Ixx(dm4)=It(dm4)
69539.06692
69251.80000
0.41
Asy(m2)
1.78525
1.74197
2.48
Asz(m2)
3.40743
3.47200
1.86
From the above representative examples the reliability, the accuracy, the effectiveness,
and the large range of applications for the Scada Pro Software in calculating the cross-
sectional properties of 3-D beam element with an arbitrarily shaped cross section is
established.
ΒΙΒΛΙΟΓΡΑΦΙΑ
[4.1].
MSC/NASTRAN,
Finite element modeling and postprocessing system
, USA.
[4.2]. Schneider, K.J.:
Bautabellen für Ingenieure
, Werner Verlag GmbH & Co (13
Auflage), Düsseldorf, Germany, (1998).