- No more unwieldy use of separate simulation and design
software packages. But you can use you own hydrographs
(from other packages) if you wish.
- Better designs through interactivity - you immediately
see the effects of your design decisions.
- A wide variety of hydrologic models are provided to meet
with your regional requirements.
- Use very large catchment areas and route the flow using
advanced routing algorithms built-in.
- Design rooftop and parking lot storage, unique
stage-discharge ponds, underground recharge trenches,
channels with complex cross-sections. Know immediately
if the pipe is surcharged.
Among our peers,
MIDUSS is positioned as a drainage design system with a wide
range of hydrologic simulation models.
Plus, MIDUSS is completely interactive. From the setup of
your hydrology preferences which include a choice of...
- 5 storm types
custom Malaysia storms)
- 3 infiltration methods
- 4 overland flow models
- unlimited catchments
...to the design of...
- exfiltration trenches
- diversion structures
MIDUSS is with you all the way.
hydrologic preferences and you're ready to interactively
design a drainage network of unlimited size.
always lets you know the hydrograph flow rate and volume to be
conveyed by the design element. With this knowledge you
interactively design your pipe, channel, pond or trench to
properly convey the flow. The downstream hydrograph is
displayed before you commit to the design. With this
ever present feedback you always know your design has been
optimized before moving downstream.
MIDUSS is always watching! It automatically saves all your
interaction - there is no "save" button! Relevant step-by-step
hydrology and design suggestions are presented at every stage.
When you have finished your design with a routine storm,
you can easily test it with a more intense storm. You can interactively
fix up only those design elements that are
MIDUSS provides incredible engineering productivity
and design accuracy because it provides a unique
blend of simulation models, design flexibility and user
interactivity - all in one system.
MIDUSS has been around since 1984 and offers you the most
robust and well balanced interactive system for the simulation
and design of stormwater management systems.
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MIDUSS provides many Hydrology and Design
features. Below is a short summary. MIDUSS provides a blend of
Simulation and Design features intended to help you be more
efficient in producing effective designs.
You can define a
rainfall hyetograph either of the synthetic, design type or a historic
storm. Choose from five types of storms.
You can define a
subcatchment and compute the total overland flow hydrograph for the
currently defined storm. Runoff hydrographs from the pervious and
impervious areas are computed separately and summed. There are 4
alternative methods for routing the overland flow and 3 different models
for estimating infiltration and rainfall losses.
feature is a useful for modeling the runoff from very large subcatchments
without having to resort to specifying unrealistically long overland flow
This allows you specify
a constant value of base flow to be added to the current inflow
With this feature you can design a pipe to carry the peak flow.
MIDUSS carries out a uniform flow analysis and reports the actual depth
and velocity and also the critical depth.
can design channels with a general trapezoidal shape defined or your
design shape defined by up to 50 pairs of coordinates. Feasible
designs are presented. MIDUSS carries out a uniform flow analysis
for the given flow, roughness and geometry and reports the depth of flow,
the average velocity and the critical depth in the channel.
You can route the Inflow hydrograph through a reach of specified length to
obtain the Outflow hydrograph at the downstream end. MIDUSS checks
that the time step and reach length are acceptable to ensure stability in
the routing process.
You can design a detention pond to achieve a desired reduction in the peak
flow of a hydrograph. Specify the desired peak outflow and MIDUSS
will estimate the maximum storage requirement to achieve this.
Storage routing assistance is provided. The outflow control can be
designed using multiple orifices and weir controls. The Stage -
Storage values can be estimated for different types of storage facility.
These may be a multi-stage pond with:
- an idealized rectangular plan shape and
different side slopes in each stage;
- one or more "super-pipes" or
oversized storm sewers;
- wedge storage formed on graded parking
- a combination of these types of storage.
Rooftop storage can also be modeled to
simulate controlled flow from the roof of a commercial development.
This feature lets you proportion an exfiltration trench to provide
underground storage for flow peak attenuation and also to promote return
of runoff to the groundwater.
DEVICE: With this feature the inflow hydrograph can
be split into two separate components, the outflow hydrograph and the
diverted flow hydrograph. You can specify the diverted
fraction or you can define this implicitly by specifying the desired peak
outflow and MIDUSS will then work out the necessary fraction to be
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System Requirements (recommended)
System Requirements (bare minimum)
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