IIHR at the University of Iowa is home to the experts in hydraulics modeling.
Let us help solve your fluids-related challenges.

We’ve been supporting research at one of the world’s leading hydraulics labs,
IIHR—Hydroscience & Engineering at the University of Iowa, for almost a century.

Core Strengths

IIHR is known around the world for its remarkable combination of practical experience
and in-house modeling expertise (physical and computational) as well as field data collection.

IIHR Director Larry Weber with a physical model of a dam.

Physical Modeling

Computational Modeling

IIHR staff member in a boat collecting bathymetry data.

Fieldwork and Data Collection

Industries We Serve

IIHR works for a wide range of industries, with exceptional strength in the areas of
energy (hydroelectric dams and wind energy) and municipal water systems (sewer and stormwater conveyance).

Renewable Energy:

Hydroelectric dams and wind energy

Municipal Water Systems:

Sewer and stormwater conveyance

Colorful computer simulation of airflow on the superstructure of the ONR Tumblehome advancing in waves


Simulating interactions between ships and water

Featured Project Videos

Physical and Computational Modeling at Cardinal Power Plant

Physical Modeling of Combined Sewer Overflow for the City of St. Louis

Learn more about IIHR’s modeling capabilities, resources, and expert staff — click the image at right to view a PDF of our capabilities booklet or contact us for a print copy.

Black and gold cover of the IIHR capabilities book, with an image of a large physical model of the London sewer system.