June 21, 2018
|
RISA-3D,
New,
Analysis,
Deflection
RISA-3D
v16.0.4
introduces
an
enhancement
that
will
allow
for
more
control
over
the
beam
deflection
ratio
through
Deflection
Ratio
Options.
As
part
of
the
member
properties,
you
can
now
designate
the
ends
of
single
and
multi-span
beams
as
a
cantilever
or
supported.
This
will
determine
whether
the
beam
deflection
ratio
is
calculated
as
L’/y’
(supported)
or
2L’/y’
(cantilever).
Modifying
Members
From
the
Members
spreadsheet,
go
to
the
Advanced
tab,
where
you
can
designate
the
Defl
Ratio
Options.
Note:
These
options
are
only
applicable
to
members
designated
as
beams.
By
default,
the
deflection
ratio
will
be
calculated
automatically,
either
as
a
supported
member
or
as
a
cantilever.
An
example
of
when
the
deflection
ratio
option
can
be
useful
is
if
the
beam
deflection
ratio
of
a
member
is
calculated
by
the
program
as
a
cantilever,
but
you
consider
it
to
actually
be
supported.
You
can
then
set
the
deflection
ratio
options
to
explicitly
specify
that
it
is
supported
and
the
beam
deflection
ratio
will
be
adjusted
accordingly.
Single
span
beams
can
be
designated
as
supported
on
both
ends,
or
cantilevered
from
either
end.
In
addition,
multi-span
beams
have
the
option
to
be
designated
as
a
double
cantilever,
where
both
ends
are…