public
Effective section modulus for compact sections as per AS 4100:2020 Section 5.2.3
IF
$ S_{x_{AS4100}} $
<
$ 1.1 * Z_{x_{AS4100}} $
THEN
$$ Z_{e_{AS4100}} = {S_{x_{AS4100}}} \; \;
, {mm ^ 3}
$$
OTHERWISE
$$ Z_{e_{AS4100}} = {Z_{x_{AS4100}}} \; \;
, {mm ^ 3}
$$