...
How
...
do
...
I
...
envelope
...
results
...
to
...
find
...
the
...
maximum
...
forces
...
from
...
a
...
series
...
of
...
load
...
cases?
...
Extended
...
Question:
...
I
...
am
...
running
...
sevel
...
time
...
histories
...
for
...
a
...
large
...
and
...
complicated
...
bridge
...
structure.
...
I
...
would
...
like
...
to
...
obtain
...
the
...
maximum
...
forces
...
which
...
occur
...
in
...
each
...
member.
...
How
...
should
...
I
...
post-process
...
results
...
to
...
report
...
maximum
...
forces
...
and
...
the
...
corresponding
...
time
...
step
...
and
...
load
...
case?
...
ANSWER:
...
The
...
most
...
efficient
...
approach
...
may
...
be
...
to
...
use
...
the
...
software OAPI. For example,
...
the
...
FrameForce
...
API
...
function,
...
documented
...
in
...
the
...
CSi
...
OAPI
...
Documentation.chm
...
file,
...
enables
...
you
...
to
...
extract
...
results
...
for
...
a
...
desired
...
...
...
and
...
step
...
type.
...
To
...
report
...
the
...
governing
...
force
...
for
...
each
...
member,
...
create
...
several
...
nested
...
loops
...
which
...
post-process
...
results
...
for
...
each
...
force
...
type,
...
member,
...
load
...
case,
...
and
...
time
...
step.
...
A
...
similar
...
approach
...
may
...
be
...
applied
...
to
...
tabular
...
results
...
using
...
an
...
alternate
...
programming
...
platform.
...
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