Unsteady flow modeling tends to be more complex and time-consuming than steady flow modeling. Instabilities become more of an issue, and addressing these instabilities is both an art and a … Read More

Manning’s roughness coefficient, also commonly referred to as Manning’s n, is an empirical parameter that represents energy loss due to various factors, including friction losses, flow separation, turbulence, and sudden … Read More

Runoff is an important aspect of the hydrologic cycle. Understanding how much water will be conveyed to hydraulic structures such as storm drains, pipes, culverts, or waterbodies is critical to … Read More

HEC-RAS is a great software for hydraulic modeling. One of the reasons is that HEC-RAS is freely available and continues to be updated by the United States Army Corps of … Read More