Search Results for: thermodynamic

Domain Knowledge Acquisition

Posted on May 21, 2018 by R.P. Churchill

I’ve touched on this subject briefly before, but I wanted describe it more directly. The simplest definition of domain knowledge, for me, is: what you need to know to create and apply effective solutions in a specific situation. Acquisition, of … Continue reading →

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Advanced Manufacturing Process Integration Ideas

Posted on May 17, 2018 by R.P. Churchill

I’ve seen a lot of different things over the years and they cannot help but suggest possibilities for ways things can be done in a more streamlined, integrated way. Of particular interest to me has been the many novel ways … Continue reading →

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A Simulationist’s Framework for Business Analysis: Combined Survey Results

Posted on March 15, 2018 by R.P. Churchill

These results are combined from versions of this talk given in Pittsburgh, DC, and Baltimore. List at least five steps you take during a typical business analysis effort. I would list the steps I take in conducting an analysis project … Continue reading →

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Domain-Driven Design

Posted on May 11, 2017 by R.P. Churchill

At yesterday’s DC PHP Developer’s Community Meetup Andrew Cassell gave a really nice presentation on Domain-Driven Design. He described the major books in the field, some of the main movers and history, and what the idea is all about. In … Continue reading →

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Simulating Human Action

Posted on April 17, 2017 by R.P. Churchill

I used the book “Fundamentals of Classical Thermodynamics” by Van Wylen and Sonntag for my thermodynamics classes in college. In the first chapter it discussed the magnitude of relativistic effects compared to the magnitude of the general effects that would … Continue reading →

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Implementing the Efficient Matrix Solution for Special Classes of Engineering Problems

Posted on May 12, 2016 by R.P. Churchill

Yesterday I described how to set up a matrix for efficient solution, today I’ll describe how to actually execute the solution. I plan to go back and revisit the intermediate steps but I wanted to show how this series of … Continue reading →

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How My Core Competencies Map To Working With Customer Systems

Posted on May 10, 2016 by R.P. Churchill

I created the figure below while I was working out the requirements for a simulation tool that would support analysis of this kind of system. While this diagram represents a fairly specific example of the set of things I’ve been … Continue reading →

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The Steam Table Form… Finally!

Posted on April 25, 2016 by R.P. Churchill

About two months ago I started making a web form that allowed a user to calculate thermodynamic values for saturated water as functions of either temperature and pressure. I got sidetracked for quite a while working on the graphing capability … Continue reading →

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Steam Table Functions, Curve Fitting, and Yes, the Graph Project

Posted on April 13, 2016 by R.P. Churchill

I’m finally detouring back to fixing the handful of errant segments in the steam table functions I created for my simulation work in the early 90s. This graph, originally posted on March 16th, shows a hiccup in the segment from … Continue reading →

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Graph Project: Updated To Do List

Posted on April 12, 2016 by R.P. Churchill

At this point I need to change direction and get back to addressing the issues which led me to create the JavaScript graph object in the first place. I’ve got enough solid functionality in place to proceed, and I’ll add … Continue reading →

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