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March 19, 2026

GoldSim Has Joined the Datacor Family of Solutions

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Posted by Rick Kossik After more than 25 years of building simulation software for some of the most complex, high-stakes problems in engin...
February 18, 2026

Beyond Deterministic Hydraulics: Introducing the EPANET-GoldSim Bridge

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The EPANET-GoldSim Bridge is now available, offering a simple way to leverage GoldSim’s simulation capabilities for water distribution syst...
January 18, 2026

Integrating EPA SWMM with GoldSim for Stormwater Quality

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Combining hydraulic modeling with system-level simulation allows for a more detailed look at stormwater treatment. I recently built a bridge...
December 6, 2025

Integrating the rTemp Water Temperature Model into GoldSim Using GSPy

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Posted by  Jason Lillywhite This blog post describes a GoldSim model application that integrates the rTemp water temperature model. Origi...
November 6, 2025

Log Pearson Type III Flood Frequency Analysis of Simulated Streamflow

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Posted by Jason Lillywhite Engineers frequently need to estimate design floods that exceed the range of observed data, like the 100-ye...
November 5, 2025

GoldSim Tutorial: Calculating and Displaying Annual Peak Flow Statistics

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Posted by Jason Lillywhite Reliable peak river flow statistics are necessary for effective design, planning, and...
November 3, 2025

Coupling GoldSim and MODFLOW using a Python Interface

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This post describes a method for coupling GoldSim with MODFLOW using GSPy (GoldSim's Python interface) and FloPy (a Python package for c...
October 19, 2025

River Network Optimization using GoldSim - Python Integration

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In this post, I'll explore a use case for the GSPy bridge : dynamically solving a complex river allocation problem using Python's P...
September 29, 2025

Modeling Integrated Water Resources Management (IWRM) with GoldSim

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Creating an Integrated Water Resources Management (IWRM) model is useful for making informed decisions. In this post, I'll explore how t...
September 6, 2025

An Investigation into Long-Term Precipitation Patterns in the Pacific Northwest

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When modeling long-term precipitation, a question is how to account for climate change. A common approach is to analyze historical data for ...
August 26, 2025

Clones, Arrays and Indexing for Large Multi-node Models; Solubility calculations and other uses

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We are pleased to showcase an interesting presentation by Alex Fitzpatrick, a Senior Modeler at Klohn Crippen Berger Australia. Presented at...
July 21, 2025

GoldSim Dashboard Tips ‘n’ Tricks

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Illustrative examples from models for radioactive waste management John Tauxe, PhD, PE • Tauxian Solutions, LLC with Jason Lillywhite • Gold...
July 14, 2025

Modeling Shared Water Rights in Reservoir Systems

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  Posted by   Jason Lillywhite Managing water in the Western United States is a complex challenge, especially in shared reservoir systems go...
May 12, 2025

Updated Mine Water Balance Model

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  Posted by   Jason Lillywhite Our conceptual Mine Water Balance model , built in GoldSim, has been updated to take advantage of the latest ...
May 6, 2025

Modeling Spatially Correlated Rainfall in GoldSim

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  Posted by   Jason Lillywhite Effective water resource management hinges on accurately modeling precipitation. But what happens when rainfa...
April 29, 2025

An evaluation of scenarios for a radioactive repository using GoldSim

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  Posted by        Jason Lillywhite Safely isolating high-level radioactive waste for millennia requires more tha...
March 31, 2025

Using Conditional Containers to Simulate Crop Growing Seasons

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  Posted by   Jason Lillywhite Modeling sequential, time-dependent processes lies at the heart of many dynamic simulations. But what happens...
March 4, 2025

GoldSim as a Predictive Tool for Oil Sands Mining Operations

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Posted by  Jason Lillywhite We are pleased to share insights from a recent presentation by Candace Whitten, GIT and Matthew...
February 7, 2025

Physically Based vs. Feedback Control Models: Choosing the Right Approach for Water System Simulation

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  Posted by    Jason Lillywhite We’ve often been asked about the best way to simulate flow between two tanks: should it be modeled physicall...
January 14, 2025

Building Better Water Balance Models for Tailings and Mine Rock Stockpiles

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Posted by  Jason Lillywhite We are pleased to share insights from a recent presentation by Tony Zheng (University of Albert...